RING-OPENING POLYMERIZATION OF CYCLIC KETENE ACETALS AND UNSATURATED CYCLIC SPIRO ORTHO-ESTERS

被引：9

作者：

BAILEY, WJ

GU, JM

LIN, YN

ZHENG, ZF

ZHOU, LL

机构：

[1] NATL RES COUNCIL CANADA,DIV CHEM,OTTAWA K1A 0R6,ONTARIO,CANADA

[2] UNIV MARYLAND,DEPT CHEM & BIOCHEM,COLLEGE PK,MD 20742

来源：

MAKROMOLEKULARE CHEMIE-MACROMOLECULAR SYMPOSIA | 1991年 / 42-3卷

关键词：

D O I：

10.1002/masy.19910420116

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Three new substituted cyclic ketene acetals and two unsaturated spiro ortho esters were synthesized. The free radical polymerization of cyclic ketene acetals gave zero or very low yields because of steric hindrance effects. However, cationic polymerization gave relatively high yields of polymers with predominant ring opening. Although the cationic polymerization of the spiro ortho esters produced mostly double ring-opened polymers, their free radical polymerization yielded non-ring-opened polymers.

引用

页码：195 / 203

页数：9

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