SYNTHESIS AND BROMINATION OF DIMETHYL, TRI-METHYL AND TETRA-METHYL SUBSTITUTED POLY(ARYL ETHER ETHER KETONE)S

被引：8

作者：

BEASY, M ^{[1
]}

WANG, F ^{[1
]}

ROOVERS, J ^{[1
]}

机构：

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

来源：

POLYMER BULLETIN | 1994年 / 32卷 / 03期

关键词：

12;

D O I：

10.1007/BF00308538

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 title polymers have been prepared by nucleophilic substitution of 2,3-dimethyl- and trimethylhydroquinone, and 3,3'-dimethyl- and 3,3',5,5'-tetramethylbiphenol with difluorobenzophenone. These polymers have been brominated to various degrees of substitution. The dimethyl PEEK can only be monobrominated; trimethyl PEEK yields mono- and dibromomethyl functional groups in the ratio 2:1. These results can be explained by steric hindrance to dibromination of the vicinal methyl groups. Dimethyl- and tetramethylbiphenyl PEEK can be dibrominated completely.

引用

页码：281 / 287

页数：7

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