INVESTIGATION ON THE RELATIONSHIP BETWEEN INTRINSIC VISCOSITY AND MOLECULAR WEIGHT OF POLY (VINYL CHLORIDE-DIETHYL MALEATE).

被引：0
|
作者：
Zheng, Changren [1 ]
Pan, Hongqing [1 ]
Lin, Shenghe [1 ]
Qian, Jun [1 ]
Duan, Qin [1 ]
机构：
[1] Nanjing Chemical Engineering Inst, Nanjing, China, Nanjing Chemical Engineering Inst, Nanjing, China
来源：
Chinese Journal of Polymer Science (English Edition) | 1987年 / 5卷 / 02期
关键词：
POLYMERS; -; Structure;
D O I：
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中图分类号：
学科分类号：
摘要：
A poly (vinylchloride-diethyl maleate) copolymer has been fractionated by the repeated precipitation method. All fractions and the unfractionated sample have been characterized by viscometry, dynamic osmometry, Zimm static osmometry, light scattering and gel permeation chromatography. After correction for polydispersity, a left bracket eta right bracket approximately M relationship for monodisperse polymer solutions has been obtained. For the copolymer solution in THF, the second virial coefficient A//2 decreases as the molecular weight increases.
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页码：169 / 173
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