COMB-LIKE TRIBLOCK COPOLYMERS BY WURTZ-GRIGNARD COUPLING OF SYNDIOTACTIC PMMA ANIONS TO POLY[(P-BROMOMETHYL)STYRENE]-B-POLYISOBUTYLENE-B-POLY[(P-BROMOMETHYL)STYRENE]

被引：8

作者：

GYOR, M ^{[1
]}

KITAYAMA, T ^{[1
]}

FUJIMOTO, N ^{[1
]}

NISHIURA, T ^{[1
]}

HATATA, K ^{[1
]}

机构：

[1] OSAKA UNIV,FAC ENGN SCI,DEPT CHEM,TOYONAKA,OSAKA 560,JAPAN

来源：

POLYMER BULLETIN | 1994年 / 32卷 / 02期

关键词：

D O I：

10.1007/BF00306382

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly[(p-bromomethyl)styrene]-b-polyisobutylene-b-poly[(p-bromomethyl)styrene]s prepared by sequential monomer addition technique of living cationic polymerization were connected with living syndiotactic (st)-poly(methyl methacrylate) macroanions via Wurtz-Grignard-type coupling. In nonpolar medium (toluene), the coupling resulted in the formation of chemically crosslinked network. In polar solvent (tetrahydrofuran), however, a comb-like triblock copolymer with properties of thermoplastic elastomer was obtained.

引用

页码：155 / 162

页数：8

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