Living/controlled radical copolymerization of N-phenylmaleimide and styrene using Frechet-type dendritic initiators

被引：1
|
作者：
Zhao, YL [1 ]
Jiang, J [1 ]
Liu, HW [1 ]
Chen, CF [1 ]
Xi, F [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Ctr Mol Sci, Inst Chem, Beijing 100080, Peoples R China
来源：
SCIENCE IN CHINA SERIES B-CHEMISTRY | 2002年 / 45卷 / 02期
关键词：
dendritic-linear block copolymer; macroinitiator; N-phenylmaleimide; styrene; atom transfer radical copolymerization;
D O I：
10.1360/02yb9019
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polyarylether dendrons as macroinitiators for the "living"/controlled free radical copolymerization of N-phenylmaleimide (PhMI) and styrene (St) have been demonstrated. The copolymerization was carried out in bulk or anisole with CuBr/bipy catalyst at 100-130degreesC. It is found that the resulting copolymers possess predetermined molecular weights and narrower polydispersities (1.18 < M-w/M-n<1.32). The effects of reaction temperature and monomer feed on the copolymerization kinetics were investigated in detail. By using the Fineman-Ross method, the apparent monomer reactivity ratios for the atom transfer radical copolymerization of PhMI and St were determined to be r(PhMI) = 0.0207, and r(St) = 0.0484, respectively.
引用
收藏
页码：135 / 142
页数：8
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