Nitroxide-mediated controlled/living free radical copolymerization of styrene and divinylbenzene in aqueous miniemulsion

被引：76
|
作者：
Zetterlund, PB
Alam, MN
Minami, H
Okubo, M [1 ]
机构：
[1] Kobe Univ, Grad Sch Sci & Technol, Kobe, Hyogo 6578501, Japan
[2] Kobe Univ, Fac Engn, Dept Sci & Chem Engn, Kobe, Hyogo 6578501, Japan
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2005年 / 26卷 / 12期
关键词：
controlled/living polymerization; crosslinking; kinetics (polym.); miniemulsion; nitroxides;
D O I：
10.1002/marc.200500100
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 nitroxide-mediated controlled/living free radical copolymerization of styrene and divinylbenzene,using a polystyrene-TEMPO macroinitiator in aqueous miniemulsion and in bulk have been investigated. The crosslink densities were estimated based on the content of pendant vinyl groups as determined by H-1 NMR. Considerably lower crosslink densities were revealed in the miniemulsion than in the corresponding bulk system. The rate of polymerization in the miniemulsion increased with decreasing particle size, and was significantly higher than in bulk.
引用
收藏
页码：955 / 960
页数：6
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