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<title>检验医学信息博客网</title>
<link>http://www.clinet.com.cn/blog</link>
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<title><![CDATA[三乙酸纤维素标准品Cellulose Triacetate 9012-09-3]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12960.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-16 21:45:00</pubDate>
<description><![CDATA[<P><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">三乙酸纤维素标准品</SPAN>Cellulose Triacetate </SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>CAS<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chsdate w:st="on" Year="9012" Month="9" Day="3" IsLunarDate="False" IsROCDate="False">9012-09-3</st1:chsdate> </SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">）</SPAN></P><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'"></SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P>
<P><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'">三乙酸纤维素</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US> <BR>Cellulose Triacetate<BR style="mso-special-character: line-break"></P>
<TABLE style="WIDTH: 296pt; BORDER-COLLAPSE: collapse" border=0 cellSpacing=0 cellPadding=0 width=394 x:str>
<COLGROUP>
<COL style="WIDTH: 74pt; mso-width-source: userset; mso-width-alt: 3168" width=99>
<COL style="WIDTH: 75pt; mso-width-source: userset; mso-width-alt: 3200" width=100>
<COL style="WIDTH: 83pt; mso-width-source: userset; mso-width-alt: 3520" width=110>
<COL style="WIDTH: 64pt; mso-width-source: userset; mso-width-alt: 2720" width=85>
<TBODY>
<TR style="HEIGHT: 14.25pt" height=19>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; WIDTH: 74pt; HEIGHT: 14.25pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl24 height=19 width=99><SPAN style="FONT-FAMILY: 宋体">Catalog #</SPAN></TD>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; WIDTH: 75pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl24 width=100><SPAN style="FONT-FAMILY: 宋体">Mw</SPAN></TD>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; WIDTH: 83pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl24 width=110><SPAN style="FONT-FAMILY: 宋体">Mn</SPAN></TD>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; WIDTH: 64pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl24 width=85><SPAN style="FONT-FAMILY: 宋体">IV*</SPAN></TD></TR>
<TR style="HEIGHT: 14.25pt" height=19>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; HEIGHT: 14.25pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl24 height=19><SPAN style="FONT-FAMILY: 宋体">CTA140K</SPAN></TD>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl25 x:num="140000"><SPAN style="FONT-FAMILY: 宋体">140,000</SPAN></TD>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl25 x:num="56700"><SPAN style="FONT-FAMILY: 宋体">56,700</SPAN></TD>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0" class=xl24 x:num="1.8580000000000001"><SPAN style="FONT-FAMILY: 宋体">1.858</SPAN></TD></TR>
<TR style="HEIGHT: 14.25pt" height=19>
<TD style="BORDER-BOTTOM: #f0f0f0; BORDER-LEFT: #f0f0f0; BACKGROUND-COLOR: transparent; HEIGHT: 14.25pt; BORDER-TOP: #f0f0f0; BORDER-RIGHT: #f0f0f0; mso-ignore: colspan" class=xl24 height=19 colSpan=4><SPAN style="FONT-FAMILY: 宋体">IV* - Intrinsic Viscosity (dL/g) MeCl2 at 30°C</SPAN></TD></TR></TBODY></TABLE>
<P></SPAN>&nbsp;</P>
<P><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><SPAN style="FONT-SIZE: 12pt"></SPAN>&nbsp;</P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></SPAN>]]></description>
</item><item>
<title><![CDATA[醋酸纤维素标准品Cellulose Acetate，CAS9004-35-7]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12959.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-16 4:50:00</pubDate>
<description><![CDATA[<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">醋酸纤维素标准品</SPAN>Cellulose Acetate</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>CAS9004-35-7 </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">醋酸纤维素</SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Cellulose Acetate</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><BR>Catalog # Mw Mn IV* <BR>CA135K 135,200 93,600 1.708 <BR>IV* - Intrinsic VIscosity (dL/g) in 98% Acetone, 2% Water at <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="?C" Source="30" HasSpace="False" Negative="False" NumberType="1" TCSC="0">30°C</st1:chmetcnv> <BR>250mg</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></P><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></SPAN></SPAN>]]></description>
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<title><![CDATA[Marc jacobs handbags sale]]></title>
<link>http://www.clinet.com.cn/blogu/5439/archives/2012/12958.html</link>
<author>hotcool</author>
<pubDate>2012-5-15 21:02:00</pubDate>
<description><![CDATA[<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><FONT face="Times New Roman"><SPAN lang=EN-US>more energetic than the 4.6 </SPAN><SPAN style="COLOR: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang=EN-US><A href="http://www.toppursestrade2012.com/product_list-Marc-Jacobs-Handbags-c__104.html">marc jacobs handbags sale</A> </SPAN><SPAN lang=EN-US>percent increase that economists had expected.In the third quarter of usually does not speak of it until years later," he said.Al-Mabhouh was one of the most important People's Republic of Korea on negotiating a new peace treaty with it, said an official </SPAN></FONT></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US><FONT face="Times New Roman">foremost thing for Pyongyang is to return to the six-party talks.A senior U.S. official said on Friday that a UN-backed uranium swap deal is "still on the table" for Iran, and denied the Obama resolution on sanctions this week in the United Nations.Crowley dismissed such reports, saying </FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US><o:p><FONT face="Times New Roman">&nbsp;</FONT></o:p></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><FONT face="Times New Roman"><SPAN lang=EN-US>accusing <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:country-region w:st="on">Iran</st1:country-region></st1:place> of secretly developing nuclear weapons under the disguise of a civilian program. sea Ozawa's office in the Diet building on Thursday, according to the Tokyo Metropolitan Police.The during his inauguration ceremony in the Tiburcio </SPAN><SPAN style="COLOR: black; mso-bidi-font-size: 10.5pt; mso-font-kerning: 0pt" lang=EN-US><A href="http://www.toppursestrade2012.com/">discount coach purses</A> </SPAN><SPAN lang=EN-US>Carnas Andino National Stadium in <st1:City w:st="http://www.clinet.com.cn/blog/on"><st1:place w:st="on">Tegucigalpa</st1:place></st1:City> </SPAN></FONT></P>
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<title><![CDATA[聚四氢呋喃标准品Polytetrahydrofuran]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12957.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 19:20:00</pubDate>
<description><![CDATA[<P><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">聚四氢呋喃标准品</SPAN>Polytetrahydrofuran</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> </SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">）</SPAN></SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US><BR></SPAN><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">聚四氢呋喃</SPAN><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US> Polytetrahydrofuran </SPAN></SPAN></P><SPAN style="FONT-FAMILY: 'Times New Roman'; FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></SPAN>
<TABLE class=twoColLiqLtHdrsmall border=0 cellPadding=3 width="89%">
<TBODY>
<TR>
<TH class=product vAlign=middle width="18%" scope=col align=center><SPAN style="FONT-SIZE: 14pt">Catalog #</SPAN></TH>
<TH class=product vAlign=middle width="14%" scope=col align=center><SPAN style="FONT-SIZE: 14pt">Mp</SPAN></TH>
<TH class=product vAlign=middle width="15%" scope=col align=center><SPAN style="FONT-SIZE: 14pt">Mw</SPAN></TH>
<TH class=product vAlign=middle width="14%" scope=col align=center><SPAN style="FONT-SIZE: 14pt">Mn</SPAN></TH>
<TH class=product vAlign=middle width="17%" scope=col align=center><SPAN style="FONT-SIZE: 14pt">IV* (dl/gm)</SPAN></TH>
<TH vAlign=middle width="22%" scope=col align=center><SPAN style="FONT-SIZE: 14pt"></SPAN></TH></TR>
<TR>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">PTHF9K</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">9,000</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">8,950</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">5,600</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">0.185</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt"></SPAN></TD></TR>
<TR>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">PTHF6K</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">6,000</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">5,950</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">2,100</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">0.136</SPAN></TD>
<TD vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt"></SPAN></TD></TR>
<TR>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">PTHF4K</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">3,650</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">3,900</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">1,500</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">0.105</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt"></SPAN></TD></TR>
<TR>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">PTHF1.5K</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">1,500</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">2,400</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">1,100</SPAN></TD>
<TD class=product vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">0.078</SPAN></TD>
<TD vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt"></SPAN></TD></TR>
<TR>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">PTHF1K</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">900</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">1,250</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">550</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt">0.057</SPAN></TD>
<TD class=alternate vAlign=middle align=center><SPAN style="FONT-SIZE: 14pt"></SPAN></TD></TR></TBODY></TABLE>
<P><SPAN style="FONT-SIZE: 14pt">IV* - Intrinsic Viscosity in THF at 30°C</SPAN></P>
<P><SPAN style="FONT-SIZE: 14pt">Mark-Houwink Parameters: a = 0.548; K = 0.00128</SPAN></P>
<P><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN style="FONT-SIZE: 14pt" lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Mn<SPAN style="FONT-SIZE: 14pt; mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Mp<SPAN style="FONT-SIZE: 14pt; mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Mv<SPAN style="FONT-SIZE: 14pt; mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Mw<SPAN style="FONT-SIZE: 14pt; mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>Mz<SPAN style="FONT-SIZE: 14pt; mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt" lang=EN-US>IV*<SPAN style="FONT-SIZE: 14pt; mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>i-</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 14pt"><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 14pt"><I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="FONT-SIZE: 14pt; mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 14pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN>]]></description>
</item><item>
<title><![CDATA[聚对苯二甲酸丁二酯标准品 PBT CAS24968-12-5]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12956.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 19:14:00</pubDate>
<description><![CDATA[<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US><SPAN style="FONT-FAMILY: 宋体">聚对苯二甲酸丁二酯标准品</SPAN>Polybutylene Terephthalate </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>PBT</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US> CAS2<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chsdate w:st="on" Year="4968" Month="12" Day="5" IsLunarDate="False" IsROCDate="False">4968-12-5</st1:chsdate> </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></SPAN></SPAN><SPAN lang=EN-US>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">宽分子量分布聚对苯二甲酸丁二酯</SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US><BR>Polybutylene Terephthalate </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN style="FONT-FAMILY: Times New Roman" lang=EN-US>PBT</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></SPAN><SPAN lang=EN-US><BR><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt"><st1:chmetcnv w:st="on" UnitName="g" HasSpace="False" Negative="False" NumberType="1" TCSC="0" Source="1">
<TABLE class=twoColLiqLtHdrsmall border=0 cellPadding=3 width="89%">
<TBODY>
<TR>
<TH vAlign=middle scope=col align=center>Catalog #</TH>
<TH vAlign=middle scope=col align=center>Mw</TH>
<TH vAlign=middle scope=col align=center>Mn</TH>
<TH vAlign=middle scope=col align=center>Mz</TH>
<TH vAlign=middle scope=col align=center>IV*</TH>
<TH vAlign=middle scope=col align=center></TH></TR>
<TR>
<TD vAlign=middle align=center>PBT55K</TD>
<TD vAlign=middle align=center>54,600</TD>
<TD vAlign=middle align=center>24,200</TD>
<TD vAlign=middle align=center>93,000</TD>
<TD vAlign=middle align=center>1.200</TD>
<TD vAlign=middle align=center></TD></TR>
<TR class=alternate>
<TD vAlign=middle align=center>PBT52K</TD>
<TD vAlign=middle align=center>52,500</TD>
<TD vAlign=middle align=center>27,200</TD>
<TD vAlign=middle align=center>82,000</TD>
<TD vAlign=middle align=center>1.145</TD>
<TD vAlign=middle align=center></TD></TR>
<TR>
<TD vAlign=middle align=center>PBT44K</TD>
<TD vAlign=middle align=center>43,600</TD>
<TD vAlign=middle align=center>21,200</TD>
<TD vAlign=middle align=center>71,000</TD>
<TD vAlign=middle align=center>1.000</TD>
<TD vAlign=middle align=center></TD></TR>
<TR class=alternate>
<TD vAlign=middle align=center>PBT37K</TD>
<TD vAlign=middle align=center>37,200</TD>
<TD vAlign=middle align=center>18,300</TD>
<TD vAlign=middle align=center>58,200</TD>
<TD vAlign=middle align=center>0.850</TD>
<TD vAlign=middle align=center></TD></TR>
<TR>
<TD vAlign=middle align=center>PBT29K</TD>
<TD vAlign=middle align=center>29,300</TD>
<TD vAlign=middle align=center>15,900</TD>
<TD vAlign=middle align=center>45,000</TD>
<TD vAlign=middle align=center>0.670</TD>
<TD vAlign=middle align=center></TD></TR>
<TR class=alternate>
<TD vAlign=middle align=center>PBT16K</TD>
<TD vAlign=middle align=center>16,150</TD>
<TD vAlign=middle align=center>8,150</TD>
<TD vAlign=middle align=center>27,500</TD>
<TD vAlign=middle align=center>0.284</TD>
<TD vAlign=middle align=center></TD></TR></TBODY></TABLE></P>
<P>IV* - Intrinsic Viscosity in o-chlorophenol at 25°C</P>
<P>Mark-Houwink Parameters: a = 915; K = 0.0000622</P></st1:chmetcnv></SPAN></SPAN>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN lang=EN-US><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt"><st1:chmetcnv w:st="on" UnitName="g" HasSpace="False" Negative="False" NumberType="1" TCSC="0" Source="1">1.0g</st1:chmetcnv></SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN><SPAN style="FONT-FAMILY: Times New Roman"></SPAN></SPAN></P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-FAMILY: Times New Roman; FONT-SIZE: 12pt" lang=EN-US>IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold" lang=EN-US>[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt" class=MsoNormal><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>M</SPAN></I><SPAN style="mso-bidi-font-weight: bold" lang=EN-US>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN>]]></description>
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<title><![CDATA[cheap purses handbags to play]]></title>
<link>http://www.clinet.com.cn/blogu/5435/archives/2012/12955.html</link>
<author>panpan019</author>
<pubDate>2012-5-15 11:28:00</pubDate>
<description><![CDATA[<p class="p0" style="margin-bottom: 0pt; margin-top: 0pt; padding-top: 0pt; padding-right: 0pt; padding-bottom: 0pt; padding-left: 0pt; text-align: left; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-position: initial initial; background-repeat: initial initial; "><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; ">A&nbsp;broad&nbsp;swath&nbsp;of&nbsp;mostly&nbsp;women,&nbsp;of&nbsp;all&nbsp;ages&nbsp;and&nbsp;backgrounds,&nbsp;showed&nbsp;up&nbsp;Sunday&nbsp;at&nbsp;the&nbsp;bookstore&nbsp;in&nbsp;Miami's&nbsp;upscale</span><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'宋体'; ">&nbsp;</span><a href="http://www.vipdesignermallhome.com"><span class="http://www.clinet.com.cn/blog/15" style="color: rgb(0, 0, 255); font-size: 10.5pt; font-family: 宋体; ">cheap&nbsp;coach&nbsp;purses</span></a><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; ">&nbsp;Coral&nbsp;Gables&nbsp;neighborhood.&nbsp;A&nbsp;young&nbsp;server&nbsp;went&nbsp;around&nbsp;with&nbsp;a&nbsp;tray&nbsp;of&nbsp;bright-colored&nbsp;drinks,&nbsp;and&nbsp;fans&nbsp;exchanged&nbsp;giddy&nbsp;stories&nbsp;about&nbsp;their&nbsp;experiences&nbsp;reading&nbsp;the&nbsp;books.</span><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; "><o:p></o:p></span></p><p class="p0" style="margin-bottom: 0pt; margin-top: 0pt; padding-top: 0pt; padding-right: 0pt; padding-bottom: 0pt; padding-left: 0pt; text-align: left; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-position: initial initial; background-repeat: initial initial; "><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; ">For&nbsp;the&nbsp;month&nbsp;of&nbsp;April,&nbsp;the&nbsp;National&nbsp;Football&nbsp;League&nbsp;has&nbsp;established&nbsp;a&nbsp;temporary,&nbsp;pop-up&nbsp;shop&nbsp;in&nbsp;Times&nbsp;Square&nbsp;—&nbsp;coinciding&nbsp;with&nbsp;the&nbsp;NFL&nbsp;draft,&nbsp;which&nbsp;will&nbsp;be&nbsp;held&nbsp;in&nbsp;New&nbsp;York&nbsp;starting&nbsp;April&nbsp;26.&nbsp;Inside&nbsp;the&nbsp;shop&nbsp;you'll&nbsp;find&nbsp;familiar&nbsp;items:&nbsp;authentic&nbsp;team&nbsp;jerseys,&nbsp;baseball&nbsp;caps&nbsp;with&nbsp;team&nbsp;logos,&nbsp;and&nbsp;posters&nbsp;of&nbsp;NFL&nbsp;stars&nbsp;in&nbsp;action.</span><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; "><o:p></o:p></span></p><p class="p0" style="margin-bottom:0pt; margin-top:0pt; "><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; ">Under&nbsp;the&nbsp;new&nbsp;plan,&nbsp;the&nbsp;government&nbsp;will&nbsp;be&nbsp;more&nbsp;open&nbsp;with&nbsp;its&nbsp;data&nbsp;sets,&nbsp;more&nbsp;communicative&nbsp;with&nbsp;its&nbsp;citizens&nbsp;and&nbsp;more&nbsp;inclusive&nbsp;of&nbsp;small</span><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'宋体'; ">&nbsp;</span><a href="http://www.vipdesignermallhome.com/Handbags/Prada-Handbags_c-83.html"><span class="http://www.clinet.com.cn/blog/15" style="color: rgb(0, 0, 255); font-size: 10.5pt; font-family: 宋体; ">wholesale&nbsp;prada&nbsp;handbags</span></a><span style="mso-spacerun:'yes'; font-size:10.5000pt; font-family:'Times New Roman'; ">&nbsp;businesses&nbsp;that&nbsp;are&nbsp;looking&nbsp;to&nbsp;tender&nbsp;and&nbsp;looking&nbsp;for&nbsp;a&nbsp;more&nbsp;attractive&nbsp;place&nbsp;to&nbsp;work.</span></p>]]></description>
</item><item>
<title><![CDATA[聚乙烯对苯二甲酯标准品 Polyethylene Terephthalate]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12953.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 9:31:00</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚乙烯对苯二甲酯标准品</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> Polyethylene Terephthalate</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PET</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">CAS25038-59-9 </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚乙烯对苯二甲酯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> Polyethylene Terephthalate </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PET</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog #<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>Mw Mn Mz IV* <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PET63K 63,500 30,000 99,000 0.945 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PET49K 49,200 25,600 72,800 0.685 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PET39K 39,000 21,000 69,000 0.630 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PET27K 27,400 15,400 47,100 0.511<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in o-chlorophenol at <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="25">25°C</st1:chmetcnv><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.658; K = 0.000631) <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="g" Source="1"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">1.0g</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;</P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P></SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></o:p></SPAN>]]></description>
</item><item>
<title><![CDATA[聚乙烯标准品，Polyethylene，CAS:9002-88-4]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12952.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 9:19:00</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚乙烯标准品</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> Polyethylene CAS9002-88-4 </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></o:p></SPAN>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">1</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）窄分子量分布聚乙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Narrow MWD Polyethylene<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mp Mw Mn IV* <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE115K 114,000 115,200 97,000 1.918 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE67K 67,400 68,200 64,000 1.317 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE56K 56,400 59,300 53,300 1.198 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in TCB at <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="135">135°C</st1:chmetcnv><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.705; K = 0.0005188) <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">200mg</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">2</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）低分子量聚乙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Low Mw Polyethylene<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mp Mw Mn Mz <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE5300 5,300 6,400 3,160 11,200 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE4930 4,930 6,060 3,020 10,600 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE4650 4,650 5,640 2,880 9,790 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE3700 3,700 4,360 2,300 7,430 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE1960 1,960 2,150 1,850 2,510 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE1200 1,230 1,810 940 3,640 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE1100 1,100 1,140 1,010 1,300 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE770 770 840 720 1,000 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE580 580 620 540 730 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE540 540 610 530 710 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE430 430 455 410 510 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE254 254 254 254 254 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE226 226 226 226 226 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE212 212 212 212 212 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE198 198 198 198 198 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE170 170 170 170 170 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE156 156 156 156 156 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE86 86 86 86 86 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="g" Source="1"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">1.0g</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">3</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）超高分子量分布聚乙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Ultra High MWD Polyethylene<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mw Mn Mv IV* <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">UHMWPE1200K 1,165,000 214,600 753,000 9.30 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">UHMWPE1070K 1,070,000 202,200 769,100 10.77 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">UHMWPE1000K 1,033,000 237,000 740,500 7.20 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">UHMWPE800K 883,500 189,000 642,200 7.70 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in TCB at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="135">135°C</st1:chmetcnv> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="g" Source="1"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">1.0g</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">4</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）宽分子量分布聚乙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Broad MWD Polyethylene<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mw Mn Mz IV* <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">高密度</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> High Density<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE150K 150,100 20,200 565,100 1.785 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE130K 132,700 82,600 321,000 1.900 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE105K 105,000 10,400 475,000 1.420 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE73K 72,500 17,150 259,500 1.223 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE52K 52,000 18,300 138,000 1.010 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">低密度</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> Low Density<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PE102K 102,000 9,800 366,300 1.550<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in TCB at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="130">130°C</st1:chmetcnv><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">分支形（高压低密度）</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Branched Polyethylene (HD-LDPE) <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # LCB* Mw Mn IV** <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">BRPE0 0.0 52,000 18,300 1.010 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">BRPE14 1.4 88,200 23,000 0.898<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LCB* - Branched per 1000 carbons <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV** - Intrinsic Viscosity (dL/g) in TCB at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="140">140°C</st1:chmetcnv> <o:p></o:p></SPAN></P>
<P><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="g" Source="1"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1.0g</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">包装</SPAN></P>
<P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;</P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P></SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></SPAN>]]></description>
</item><item>
<title><![CDATA[聚丙烯标准品，Polypropylene，PP，CAS9003-07-0]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12951.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 9:14:00</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚丙烯标准品</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> Polypropylene </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚丙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">CAS9003-07-0 </SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></P><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></o:p></SPAN>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">1</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）低分子量聚丙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Low Mw Polypropylene<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mp Mw Mn IV* <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP2700 2,700 2,850 2,700 0.057 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP2600 2,575 2,650 2,530 0.052 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP2100 2,100 2,150 2,020 0.045 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1900 1,850 1,900 1,800 0.042 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1800 1,800 1,770 1,630 0.039 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1650 1,650 1,660 1,575 0.037 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1450 1,450 1,440 1,375 0.033 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1365 1,365 1,400 1,355 0.032 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1300 1,300 1,290 1,230 0.030 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1160 1,160 1,175 1,120 0.028 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1075 1,075 1,100 1,070 0.027 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1000 1,000 1,015 965 0.026 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP900 900 930 890 0.023 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP875 875 890 850 0.023 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP780 780 800 760 0.021<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in THF at <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="30">30°C</st1:chmetcnv><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.78; K = 0.00014) <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">250mg</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">2</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）宽分子量分布聚丙烯</SPAN><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Broad MWD Polypropylene<SPAN style="mso-spacerun: yes">&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mw Mn Mp IV* <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP800K 801,000 127,000 190,000 4.405 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP575K 575,000 100,000 138,200 3.663 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP467K 467,300 75,400 125,600 3.169 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP350K 348,300 43,500 198,000 2.323 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP300K 297,000 47,500 160,000 2.120 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP270K 267,000 43,300 152,700 1.633 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP230K 231,300 41,800 150,000 1.481 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP210K 210,000 41,200 137,900 1.397 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP200K 197,100 40,600 131,000 1.280 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP180K 177,100 40,000 118,300 1.244 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP150K 151,900 38,400 106,800 1.119 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP135K 136,500 37,000 101,500 1.000 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP110K 110,500 34,000 87,100 0.922 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP105K 108,000 32,500 82,800 0.869 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP95K 95,400 28,100 72,500 0.846 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP60K 59,300 24,700 52,300 0.605 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP50K 50,400 23,600 49,700 0.580 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP45K 47,500 21,300 42,600 0.541 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP9K 8,600 2,600 8,500 0.130 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP6K 6,200 3,000 6,000 0.113 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP1200 1,220 885 1,100 0.032 <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PP800 830 740 800 0.025<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in TCB at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="?C" Source="145">145°C</st1:chmetcnv><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.750; K = 0.000137) <o:p></o:p></SPAN></P>
<P><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" UnitName="g" Source="1"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">1g</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'">包装</SPAN><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P></SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></SPAN>]]></description>
</item><item>
<title><![CDATA[聚二甲基硅氧烷标准品，Polydimethylsiloxane]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12950.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 8:52:00</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚二甲基硅氧烷标准品</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> Polydimethylsiloxane </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚二甲基硅氧烷</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">CAS9016-00-6 </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></SPAN></SPAN>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">1</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）低分子量聚二甲基硅氧烷</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Low Mw Polydimethylsiloxane<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mp Mw Mn IV* </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS162 162 162 162 0.002 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS237 237 237 237 0.003 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS490 490 510 360 0.005 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS1K 1,680 1,850 1,532 0.020 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS4K 4,100 4,950 3,800 0.031 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS5K 5,400 6,400 4,300 0.033 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS6K 5,800 6,200 4,750 0.035 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS7K 7,000 8,300 6,400 0.046 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS8K 8,200 9,600 7,300 0.050 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS11K 12,000 12,500 11,250 0.068 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS15K 15,000 16,500 14,500 0.082 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS18K 17,700 19,350 17,200 0.093 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS20K 19,600 21,500 19,400 0.088 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS23K 23,300 24,800 22,200 0.111 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS26K 26,500 28,000 25,400 0.123 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS28K 28,800 31,300 25,600 0.121 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS30K 30,500 35,000 29,000 0.135 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">LPDS35K 34,100 35,400 32,700 0.147<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in Toluene at <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="30" UnitName="?C">30°C</st1:chmetcnv></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.731; K = 0.0000624) </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">500mg</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">2</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）中等分子量聚二甲基硅氧烷</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Medium Mw Polydimethylsiloxane<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mp Mw Mn IV* </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS40K 39,400 41,600 38,700 0.166 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS42K 42,700 47,100 38,400 0.156 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS45K 45,700 47,250 44,000 0.182 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS50K 51,200 51,400 48,000 0.194 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS54K 54,000 59,400 49,100 0.190 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS55K 57,000 59,500 54,600 0.213 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS60K 62,000 70,200 54,700 0.214 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS65K 64,800 65,300 60,000 0.228 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS70K 71,000 77,200 65,400 0.220 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS75K 75,700 93,400 61,400 0.242 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS80K 81,900 90,100 80,600 0.263 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS90K 90,300 103,800 84,000 0.272 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS94K 93,750 110,000 93,550 0.302 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS96K 95,800 108,500 94,550 0.299 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS102K 102,000 115,500 90,200 0.286 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS115K 115,100 128,900 101,900 0.339 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">MPDS120K 121,500 147,800 110,900 0.325<SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in Toluene at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="30" UnitName="?C">30°C</st1:chmetcnv></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.731; K = 0.0000624) </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">500mg</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">3</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）高分子量聚二甲基硅氧烷</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">High Mw Polydimethylsiloxane<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mp Mw Mn IV* </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS130K 131,300 147,800 116,700 0.369 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS133K 133,300 155,900 113,900 0.372 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS156K 156,900 176,100 139,800 0417 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS167K 166,900 183,600 151,800 0.463 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS177K 177,800 213,800 163,700 0.429 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS194K 194,300 232,400 151,900 0.485 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS213K 213,000 235,000 173,000 0.491 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS220K 219,400 242,200 194,500 0.500 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS230K 229,100 254,700 209,400 0.517 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS240K 241,700 269,700 216,600 0.498 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS255K 254,600 278,700 218,800 0.558 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS265K 265,000 289,500 230,000 0.575 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS291K 291,000 359,700 226,000 0.616 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS345K 345,000 454,200 348,500 0.675 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS355K 355,500 408,200 313,600 0.713 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS385K 384,500 438,500 352,300 0.777 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS610K 610,000 873,300 425,900 1.550 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">HPDS840K 840,000 1,000,000 752,000 1.845 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in Toluene at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="30" UnitName="?C">30°C</st1:chmetcnv></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.731; K = 0.0000624) </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">500mg</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">4</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）宽分子量分布聚二甲基硅氧烷</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Broad MWD Polydimethylsiloxane<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mw Mn IV* </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS910K 910,000 490,300 1.083 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS842K 841,900 480,500 1.126 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS800K 809,000 447,300 1.051 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS775K 755,300 440,700 1.022 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS265K 265,000 75,700 0.658 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS220K 220,100 62,900 0.578 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS145K 145,000 58,000 0.420 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS90K 90,500 39,300 0.305 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS50K 50,400 28,200 0.171 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS40K 40,000 22,200 0.170 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS30K 30,200 17,800 0.130 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS20K 17,800 10,500 0.095 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS11K 11,550 8,200 0.069 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS9K 9,000 7,800 0.056 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS6K 5,800 4,250 0.035 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS3K 3,100 2,450 0.020 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS2K 2,400 1,650 0.018 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PDS1500 1,675 1,350 --</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in Toluene at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="30" UnitName="?C">30°C</st1:chmetcnv></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(a = 0.731; K = 0.0000624) </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="1" UnitName="g"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">1.0g</SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;</P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P></SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></SPAN></SPAN>]]></description>
</item><item>
<title><![CDATA[聚乙烯醇缩丁醛标准品，Poly(Vinyl Butyral)]]></title>
<link>http://www.clinet.com.cn/blogu/5433/archives/2012/12949.html</link>
<author>聚合物标准</author>
<pubDate>2012-5-15 8:40:00</pubDate>
<description><![CDATA[<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">聚乙烯醇缩丁醛标准品</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> Poly(Vinyl Butyral)&nbsp; standard CAS63148-65-2 </SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）</SPAN></SPAN></P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">APSC</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）的中国区官方授权代理。主要提供有机凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Organic GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）和水性凝胶色谱标准品（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">Aqueous GPC/SEC Standards</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）两类产品。</SPAN></SPAN></P></SPAN></SPAN>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">宽分子量分布聚乙烯醇缩丁醛</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Poly(Vinyl Butyral Broad MWD</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Catalog # Mw Mn IV* </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PVB170K 167,000 44,300 1.564 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PVB160K 158,500 39,300 1.334 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PVB130K 128,400 38,500 1.248 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PVB90K 92,300 23,700 1.036 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">PVB65K 66,500 18,800 0.750 </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">IV * </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">—</SPAN><SPAN style="FONT-FAMILY: Times New Roman"></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">黏度系数</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">(dL / g)<SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">四氢呋喃</SPAN><SPAN lang=EN-US><SPAN style="FONT-FAMILY: Times New Roman; mso-spacerun: yes">&nbsp; </SPAN><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="30" UnitName="?C"><SPAN style="FONT-FAMILY: Times New Roman">30</SPAN><SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><SPAN lang=EN-US>°</SPAN></SPAN><SPAN style="FONT-FAMILY: Times New Roman">C</SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: Times New Roman"></SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV* - Intrinsic Viscosity (dL/g) in THF at <st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="30" UnitName="?C">30°C</st1:chmetcnv> </SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><st1:chmetcnv w:st="on" TCSC="0" NumberType="1" Negative="False" HasSpace="False" Source="1" UnitName="g"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman">1.0g</SPAN></st1:chmetcnv><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">包装</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">&nbsp;</P>
<P><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">GPC(Gel Permeation Chromatography),凝胶渗透色谱，又称为尺寸排阻色谱（Size Exclusion Chromatography,简称SEC），它是基于体积排阻的分离机理，通过具有分子筛性质的固定相，用来分离相对分子质量较小的物质，并且还可以分析分子体积不同、具有相同化学性质的高分子化合物。<BR>GPC是一种特殊的液相色谱，所用仪器与高效液相色谱仪类似，GPC的分离是利用体积排除机理，装填的是多孔性凝胶或微粒，孔径大小与待分离的聚合物分子相似，体积大的高分子化合物不能进入凝胶孔，最先从凝胶粒间流出，淋出体积（时间）最小，高聚物依分子量从大到小依次淋出。这样，通过做已知分子量的高分子聚合物的标准曲线，就能分析同系未知待测高分子化合物了。</SPAN></SPAN></P></SPAN></SPAN><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"></SPAN><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">注解：</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mn<SPAN style="mso-spacerun: yes"> </SPAN>Number average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mp<SPAN style="mso-spacerun: yes"> </SPAN>Peak average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mv<SPAN style="mso-spacerun: yes"> </SPAN>Viscosity average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mw<SPAN style="mso-spacerun: yes"> </SPAN>Weight average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Mz<SPAN style="mso-spacerun: yes"> </SPAN>Z-average molecular weight</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">IV*<SPAN style="mso-spacerun: yes"> </SPAN>Intrinsic Viscosity (dl/gm)</SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">数均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Number-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按聚合物中含有的分子数目统计平均的分子量，高分子样品中所有分子的总重量除以其分子</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">摩尔</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">总数。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">重均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> Weight-average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照聚合物的重量进行统计平均的分子量，</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">i-</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">聚体的分子量乘以其重量分数的加和。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z-average molecular weight </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：按照</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Z</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">值统计平均的分子量</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">粘均分子量（</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">Viscosity- average molecular weight</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">）：对于一定的聚合物－溶剂体系，其特性粘数</SPAN><SPAN lang=EN-US style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold">[<I>η</I>]</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">不同。</SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">z &gt; <I>M</I>w &gt; <I>M</I>v &gt; <I>M</I>n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">，</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">v</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">略低于</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中低分子量的部分，即低分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">靠近聚合物中高分子量的部分，即高分子量部分对</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">影响较大</SPAN><SPAN style="FONT-FAMILY: Times New Roman; mso-bidi-font-weight: bold"> </SPAN></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 12pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">一般用</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">w</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">来表征聚合物比</SPAN><SPAN style="FONT-FAMILY: Times New Roman"><I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">M</SPAN></I><SPAN lang=EN-US style="mso-bidi-font-weight: bold">n</SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-weight: bold">更恰当，因为聚合物的性能如强度、熔体粘度更多地依赖于样品中较大的分子。</SPAN></SPAN></P></o:p></SPAN></SPAN></SPAN></SPAN>]]></description>
</item><item>
<title><![CDATA[引发剂V-50与引发剂VA-044区别？]]></title>
<link>http://www.clinet.com.cn/blogu/5045/archives/2012/12948.html</link>
<author>西宝小子</author>
<pubDate>2012-5-15 8:38:00</pubDate>
<description><![CDATA[<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，引发剂</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VA-044</FONT></SPAN></FONT></P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"></SPAN></FONT>&nbsp;</P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">13641807736&nbsp; QQ:453216413</FONT></SPAN></FONT><SPAN lang=EN-US><FONT face="Times New Roman"></FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">一、</SPAN><B><SPAN lang=EN-US><FONT face="Times New Roman">v-50</FONT></SPAN></B><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> / </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">偶氩二异丁基脒盐酸盐（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">AIBA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）</SPAN></FONT></P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">2,2'-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">偶氮二异丁基脒二盐酸盐</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(v-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂，</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">AAPH)<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">化学名：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2,2'-Azobis(2-methylpropionamidine)dihydrochloride(2,2'-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">偶氮二异丁基脒二盐酸盐</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">)<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">别名：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">AAPH</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2,2'-Azobis(2-amidinopropane) dihydrochloride</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">MS1<BR>CAS 2997-92-4&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分子量：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">271.19<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分子式</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> H2NC(:NH)C(CH3)2N:NC <BR>V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">是一种水溶性偶氮引发剂，多用于水溶性乙烯单体的聚合。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>通过钧裂分解产生阳离子自由基。该分解反应场合生近视一级反应速率，并且在水溶液中没有副反应。</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">与无机过硫酸盐和其他水引发剂比较，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">能进行平滑、稳定、可控制的分解反应。产生高线性和分子量的聚合物。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>应用举例：</FONT></SPAN></P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">1. </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">丙烯酰胺水溶液聚合</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>2. </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>阳离子丙烯酸单体的重聚合</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>3. </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>丙烯腈的聚合</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>4. </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>乳液聚合（非离子乳液、阴离子乳液、阳离子乳液，如苯乙烯乳液，乙烯基乙酸酯乳液、丙烯酸酯乳液）</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>5. </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>密封聚合或接枝聚合（成纤维素或无机粉末）</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>6. </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>光聚合</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>外观：结晶白色颗粒</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">熔点</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">160-169°C(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分解</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">) <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">活化能：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">1.24X105 J/mol<BR>10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">小时半衰期温度：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">56°C</FONT></SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">(in water)<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">溶解性：任意溶于水：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> (23.2 w%, 20°C)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，不溶于甲苯</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>2</FONT></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2‘-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">偶氮二异丁基脒二盐酸盐</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> ( V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂，</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">AAPH )<BR>*</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">详细使用说明请咨询西宝生物</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">化学名：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2,2'-Azobis(2-methylpropionamidine)dihydrochloride(2,2'-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">偶氮二异丁基脒二盐酸盐</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">)<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">别名：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">AAPH</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2,2'-Azobis(2-amidinopropane) dihydrochloride</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">MS1<BR>CAS: 2997-92-4&nbsp;&nbsp; <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分子量：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">271.19<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分子式：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> H2NC(:NH)C(CH3)2N:NC&nbsp; <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">外观：结晶白色颗粒</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">熔点：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">160-169°C(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分解</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">) <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">活化能：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">1.24X105 J/mol<BR>10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">小时半衰期温度：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">56°C</FONT></SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">(in water)<BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">溶解性：任意溶于水</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> (23.2 w%, 20°C)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，不溶于甲苯</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>是一种水溶性偶氮引发剂，多用于水溶性乙烯单体的聚合。</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50</FONT></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">通过均裂分解产生阳离子自由基。该分解反应产生近似一级反应速率，并且在水溶液中没有副反应。与无机过</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">硫酸盐和其他水引发剂相比较，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">能进行平滑、稳定、可控制的分解反应，产生高线性和分子量的聚合物。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>应用：</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>1) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>丙烯酰胺水溶液聚合</FONT></SPAN><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在难以维持适当的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">N2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">反应堆和</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">/</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">或温度控制的工厂中进行丙烯酰胺的工业聚合时，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将被用在与低温中就很活跃的氧化还原基础催化剂或水溶性偶氮化合物（如</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2,2’-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">偶氮</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">N,N’-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二亚甲基异丁酰胺）的结合作用中</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>2) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>丙烯酸与丙烯酰胺的重聚合</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50 </FONT></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">被确定为丙烯酰胺与丙烯酸的水相重聚合的引发剂。两个单体间的比率是不同的，并且随着丙烯酸浓度的增加，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的聚合速率降低。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>3) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>丙烯腈的聚合</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>作为丙烯腈聚合的引发剂和以丙烯腈为主要成分的单体的混合剂</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>4) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>阳离子丙烯酸单体的聚合</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">单体在水溶液中聚合时会出现水解现象，这将会导致聚合物的阳离子性质下降，为解决这个问题建议在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">pH</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2.5-5.0</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的水溶液中聚合。而在此</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">pH</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">范围内</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">能很好的溶解，并在低温下有高活性，这使</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">成为这些单体的优质引发剂。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>5) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>乳液聚合</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>A) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>非离子乳液和阴离子乳液</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50</FONT></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">是非离子和阴离子乳化剂丙烯酸乙脂（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">EA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）和乙烯基乙酸盐（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VAc</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）乳液聚合的水溶性引发剂</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>B) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>阳离子乳液</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">与阴离子或非离子乳液相比较时，阳离子乳液的机械稳定性（如搅拌时）和化学稳定性（如与溶液相混合时）较差。在阳离子乳液的生产过程中，要使用阳离子乳化剂。使用形成阳离子自由基的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，将会产生更稳定的乳液。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">当</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">被用于与阳离子乳化剂相混合，以生成苯乙烯、乙烯基乙酸盐、丙烯酸脂的均聚物和共聚物时，将会形成具有优质贮藏和机械稳定性的阳离子乳液。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>a) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>苯乙烯的乳液聚合</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">15 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份苯乙烯单体、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">150 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份水、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">和</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">5 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份月桂基三甲基氯化铵（一种阳离子乳化剂）放入一个一升的烧瓶中，并在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">60</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">℃</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">N2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">气压下搅拌。在超过</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">个小时的时间内逐滴加入</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">85 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份苯乙烯单体。然后将温度升高至</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">70</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">℃</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">并持继搅拌</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">1.5 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">小时。冷却后聚合反应就会停止。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">PH </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">值为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">6.5</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、聚合收率为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">99.2%</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的状态下，可产生均匀乳液聚合物。乳液非常稳定地通过了储存稳定性测试（室温保存</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">6 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">个月）和在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3000r.p.m.</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">保持</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分钟的离心分离测试。当该反应产物干燥成透明膜时，即使长时间浸在水中也不会变白。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>b) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>乙烯基乙酸酯的乳液聚合</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>100 </FONT></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份乙烯基乙酸盐单体、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">0.2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> 1 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份聚氧乙烯烷基胺（一种阳离子乳化剂）、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">PVA </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">皂化成分子量为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">500 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">99%</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份分子量为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">1400 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的相似</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">PVA</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（分散剂）和</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">150 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份水，在与（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">i</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）相同的条件下进行聚合反应。所生成的均匀乳液有</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">99%</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的聚合收率和</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">PH </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">值为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">4.7</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">PH </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">值会降低是由于单体部分的水解形成乙酸）。该乳液有</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2700cps </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的粘度和优质的乳液稳定性及薄膜特性。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>c) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>丙烯酸酯的乳液聚合</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">150 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份水、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">0.2 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">0.8 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份硬脂酰三甲基氯化铵（阳离子乳化剂）和</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份聚氧化乙烯壬基苯基醚（非离子乳化剂）加上下列之一项进行混合：</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">100 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份丙烯酸丁脂，</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">100 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份丙烯酸</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">-2-</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">乙基已酯，和</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">100 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">份（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">1</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）和（</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">2</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）的相等混合物。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">所有三项反应的聚合条件都与上述</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">(a)</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">相同。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>6) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>密封聚合或接枝聚合</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">因为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">是阳离子的，所以容易被吸附到阴离子底物上。被吸附的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">可作为单体聚合的引发剂产生聚合物并紧紧结合在底物上。这些复合材料的生产在很多方面影响到原始底物的改性。许多阴离子底物都可以用这种方式进行处理，不仅是诸如纤维素、蚕丝和合成纤维等的有机底物，甚至像碳、酸性粘土、膨润土、高岭土、云母和粘和剂等无机底物都可以。</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>A) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>聚合成纤维素</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">用</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">作为助剂进行乳化的甲基丙烯酸甲酯产品有很强的密封木浆的能力</SPAN></FONT><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>B) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>聚合成无机粉末</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>无机粉末和聚合物的混合材料制品可通过与上述相似的方法进行生产。在机械上或其他物理性质结果上改进。同时也能获得特殊性质以提高填充、延展和胶凝性能。</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>7) </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>光聚合</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">与其热速率常数相比较，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">有一个非常高的光速率常数。因此</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">可以被用作一种非常高活度光聚合引发剂。例如，只要曝露在日光下丙烯酰胺就能以合理的速率进行聚合。通过紫外线的照射能加速聚合。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">按丙烯酰胺重量的</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">0.05 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">至</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">0.5%</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的浓度溶解于</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10%</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的丙烯酰胺水溶液中。然后将溶液密封在聚乙烯袋中并抽出空气。将袋子浸在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">16 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">至</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">19</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">℃</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的流动水中并曝露在阳光下，最后发生聚合反应。</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>聚丙烯酰胺通过这样所获得的分子量与热聚合所得的相接近。同样也显示出与高岭土相似的絮凝力。</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>运输及贮藏方法</FONT></SPAN><SPAN lang=EN-US><BR><FONT face="Times New Roman" size=4>V-50 </FONT></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">对于碰撞和摩擦是稳定的。</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在普通室温下贮藏是热稳定的。要注意的就是在运输和贮藏时要避免直接曝露在阳光下。可将其贮藏在黑暗的地方。当</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分解时会产生氮，所以不要放置在紧靠空调器的地方。</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在水溶液状态下相对不稳定，因此应注意尽量避免在溶液状态下贮藏。如果</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">V-50 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在溶液状态下进行贮藏时，必须保存在</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">℃</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">以下，最好是</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">5</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">℃</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">以下。</SPAN></FONT></P>
<P style="MARGIN: 0cm 0cm 0pt"><FONT size=4><B><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">&nbsp;&nbsp; VA-044 </FONT></SPAN></B><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂化学名称为偶氮二异丁咪唑啉盐酸盐</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">,</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">英文名称为</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">2,2'-Azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride, <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　缩写为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">AIBI,</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">别名</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VA-044</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VAZO44</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，是一种水溶性偶氮引发剂</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">.&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">性质</SPAN></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　特</SPAN><FONT face="Times New Roman"> </FONT><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">性：不含氰基</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　水溶性引发剂</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">10h</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">半衰期分解温度：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">44</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">℃</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（在水中）</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　分子式：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">C12H24N6Cl2 <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">CAS#</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">27776-21-2 <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　外</SPAN><FONT face="Times New Roman"> </FONT><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">观：白色或类白色结晶</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　熔</SPAN><FONT face="Times New Roman"> </FONT><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">点：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">188</FONT><FONT face="Times New Roman">-193</FONT><SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体"><SPAN lang=EN-US>℃</SPAN></SPAN><FONT face="Times New Roman"> (</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分解</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">) <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　活化能：</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman">108KJ/mol <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　溶解性：</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">l</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">溶于水，不溶于甲醇、甲苯等有机溶剂</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　储存条件：避光保存，温度</SPAN></FONT><SPAN lang=EN-US><FONT size=4><FONT face="Times New Roman">&lt;</FONT><FONT face="Times New Roman">40</FONT><SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体"><SPAN lang=EN-US>℃</SPAN></SPAN></FONT><FONT face="Times New Roman" size=4> <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>应用</FONT></SPAN><SPAN lang=EN-US><BR></SPAN><FONT size=4><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VA-044 </FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂是在偶氮腈类引发剂的分子上引入亲水性基团而得到的，水溶性很好，因此</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VA-044</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂普遍适用于高分子合成的水溶液聚合与乳液聚合中。与一般类型的偶氮引发剂相比，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> VA-044</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂引发效率高，产品的相对分子质量相对比较高、水溶性好、且残留体少。与无机过硫酸盐和其它水溶性引发剂相比较，</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">VA-044</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">引发剂能进行平滑、稳定、可控制的分解反应，产生高线性和高分子量的聚合物。</SPAN></FONT><FONT size=4><SPAN lang=EN-US><FONT face="Times New Roman"> <BR></FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">　　与偶氮腈类产品不同，因其不含腈基，分解产物无毒，同时比其他引发剂分解平稳，转化率高，聚合过程不出现残渣和结块；在低温、低浓度下能够高效引发聚合，生成高线性和高分子量聚合物，因此被广泛应用于高分子合成的水溶液聚合和乳液聚合中。比如用作单体丙烯酰胺聚合、苯乙烯乳液聚合及苯乙烯和丙烯酸丁酯的单体聚合等聚合反应的引发剂。</SPAN><SPAN lang=EN-US><FONT face="Times New Roman"> </FONT></SPAN></FONT></P>
<P style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><FONT size=4>更多相关产品，</FONT></SPAN></P>
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