Synthesis of well-defined polystyrene-graft-poly(methyl methacrylate)

被引：9

作者：

Li, CP ^{[1
]}

Shi, Y ^{[1
]}

Fu, ZF ^{[1
]}

机构：

[1] Univ Chem Technol, Dept Polymer Engn, Key Lab Controlled Chem React, Educ Minist, Beijing 100029, Peoples R China

来源：

POLYMER INTERNATIONAL | 2006年 / 55卷 / 01期

关键词：

graft copolymers; atom transfer radical polymerization (ATRP); reversible addition-fragmentation; chain transfer polymerization (RAFT);

D O I：

10.1002/pi.1956

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 well-defined graft copolymer, polystyrene-graft-poly(methyl methacrylate), was synthesized in two steps. In the first step, styrene and p-vinyl benzene sulfonyl chloride were copolymerized via reversible addition-fragmentation chain transfer polymerization (RAFT) in benzene at 60 degrees C with 2(ethoxycarbonyl)prop-2-yl dithiobenzoate as a chain transfer agent and 2,2'-azobis(isobutyronitrile) as an initiator. In the second step, poly[styrene-co-p- (vinyl benzene sulfonyl chloride)] was used as a macroinitiator for the atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA) in toluene at 80 degrees C with CuCl as a catalyst and 2,2'-bipyridine as a ligand. With sulfonyl chloride groups as the initiating sites for the ATRP of MMA, high initiation efficiencies were obtained. (c) 2006 Society of Chemical Industry.

引用

页码：25 / 30

页数：6

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