Copolymerization with depropagation:: A study of α-methyl styrene/methyl methacrylate in solution at elevated temperatures

被引：19

作者：

Palmer, DE ^{[1
]}

McManus, NT ^{[1
]}

Penlidis, A ^{[1
]}

机构：

[1] Univ Waterloo, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2001年 / 39卷 / 10期

关键词：

alpha-methyl styrene/methyl methacrylate (alpha-MS/MMA); depropagation; copolymer composition; reactivity ratios; toluene solution;

D O I：

10.1002/pola.1153

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In free-radical polymerization, solvents are routinely used to reduce the solution viscosity and molecular weight. In the case of the alpha -methyl styrene/methyl methacrylate copolymer system, reducing the monomer concentration also has significant effects on the copolymer composition and maximum conversion obtained. Reactivity-ratio studies as well as full-conversion-range data were provided, and the results were compared to similar data in the bulk phase from our earlier work. A 30 wt % toluene solution was used for all experimental conditions. Copolymer composition modeling results were also presented. (C) 2001 John Wiley & Sons, Inc.

引用

页码：1753 / 1763

页数：11

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