EPIMERIZATION OF ISOTACTIC POLYSTYRENE

被引：33

作者：

SHEPHERD, L

CHEN, TK

HARWOOD, HJ

机构：

[1] Institute of Polymer Science, University of Akron, Akron, 44325, Ohio

来源：

POLYMER BULLETIN | 1979年 / 1卷 / 06期

关键词：

D O I：

10.1007/BF00284418

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A procedure for epimerizing isotactic polystyrene and a Monte-Carlo computer program for simulating polymer epimerization reactions have been developed. The 300 MHz methine proton resonance patterns of partially epimerized isotactic polystyrene and of free radical initiated polystyrene have been analyzed. The latter polymer is essentially atactic (σ=0.45±0.05) and has the same nmr spectrum as completely epimerized polystyrene. Conventional polystyrene therefore seems to be at stereochemical equilibrium. © 1979 Springer-Verlag.

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页码：445 / 450

页数：6

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