| 聚硅烷亚芳弹性体的凝胶渗透色谱测量 |
| |
| 引用本文： | 钱永芳.聚硅烷亚芳弹性体的凝胶渗透色谱测量[J].高分子学报,1988,0(1):7-11. |
| |
| 作者姓名： | 钱永芳 |
| |
| 作者单位： | 武汉大学化学系 武汉 |
| |
| 摘 要： | 用简易GPC柱研究了在未知合适的Mark-Houwink 系数的情况下,通过GPC和特性粘度的数据,同时计算出宽分布硅烷亚芳弹性体聚合物的分子量和这种类型聚合物的 Mark-Houwink 系数的方法。装柱填料为多孔硅胶球,理论塔板数 4200—5500块/米以上,塔板高度 0.7—0.9毫米。其分子量分布宽度指数在2左右。素炼后,分子量分布变窄,分子量下降。
|
| 关 键 词： | 粘度分子量方程参数 分子量分布 凝胶色谱 |
| 收稿时间： | 1985-06-24 |
DETERMINITION FOR THE GEL-PERMEATION CHROMATOGRAPHY STUDIES OF ARYLENE SILOXANE |
| |
| QIAN Yong-fang.DETERMINITION FOR THE GEL-PERMEATION CHROMATOGRAPHY STUDIES OF ARYLENE SILOXANE[J].Acta Polymerica Sinica,1988,0(1):7-11. |
| |
| Authors: | QIAN Yong-fang |
| |
| Institution: | Chemistry Department of Wuhan University; Wuhan |
| |
| Abstract: | Method for determining simultaneously th molecular weight and the Mark-Houwink coefficients for arylene siloxane polymer by using GPC and intrinsic viscosity data were deve-lopped. Porous silica beads column with efficiency of more than 4200-5500 plates per metre, was used. The polydispersity index of polymers were found to be 2. The molecular weight distribution becomes narrower and the molecular weight is lowered after milling. |
| |
| Keywords: | Mark-Houwink coefficient Molecular weight disrribution Gel permeation chromatography |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《高分子学报》浏览原始摘要信息 |
| 点击此处可从《高分子学报》下载免费的PDF全文 |
