MECHANISTIC ASPECTS OF GROUP TRANSFER POLYMERIZATION

被引:20
作者
QUIRK, RP
REN, J
BIDINGER, G
机构
[1] Institute of Polymer Science, University of Akron, Akron, Ohio
来源
MAKROMOLEKULARE CHEMIE-MACROMOLECULAR SYMPOSIA | 1993年 / 67卷
关键词
D O I
10.1002/masy.19930670128
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 experimental evidence supporting the involvement of enolate anions in group transfer polymerization(GTP) is reviewed. The results of silyl group exchange studies between living silyl ketene acetal-ended oligomers under typical GTP conditions are discussed. It is concluded that the observations of significant amounts of silyl group exchange in the presence of polymerizing monomer are not consistent with the originally proposed ''associative mechanism'' based on the GTP Criterion which precludes intermolecular silyl group exchange.
引用
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页码:351 / 363
页数:13
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