Dependence of chemical composition of styrene/butyl acrylate copolymers on temperature and molecular weight

被引：20

作者：

Chambard, G ^{[1
]}

Klumperman, B ^{[1
]}

German, AL ^{[1
]}

机构：

[1] Eindhoven Univ Technol, Dept Chem Engn, Polymer Chem Lab, NL-5600 MB Eindhoven, Netherlands

来源：

POLYMER | 1999年 / 40卷 / 16期

关键词：

reactivity ratios; copolymers; temperature dependence;

D O I：

10.1016/S0032-3861(98)00690-9

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The temperature dependence of the reactivity ratios of the system styrene/butyl acrylate is studied. Copolymers of styrene and butyl acrylate are therefore synthesised in bulk at 50, 90, 100 and 120 degrees C. Copolymer composition is determined by H-1 NMR, the resulting data are evaluated, and Arrhenius parameters are obtained for r(BA) In order to investigate the molecular-weight dependence of the copolymer composition, copolymerisations of styrene and butyl acrylate are carried out at 50 and 90 degrees C in the presence of mercapto ethanol. No molecular-weight dependence is found for the investigated system. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：4459 / 4463

页数：5

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