LIVING DISPERSION POLYMERIZATION OF STYRENE IN THE PRESENCE OF POLYSTYRENE-BLOCK-POLY(4-TRIMETHYLSILYLSTYRENE)

被引：15
|
作者：
SCHNEIDER, M
MULHAUPT, R
机构：
[1] INST MAKROMOLEC CHEM,D-79104 FREIBURG,GERMANY
[2] FREIBURGER MAT FORSCHUNGSZENTRUM,HERMANN STAUDINGER HAUS,STEFAN MEIER STR 31,D-79104 FREIBURG,GERMANY
来源：
POLYMER BULLETIN | 1994年 / 32卷 / 5-6期
关键词：
D O I：
10.1007/BF00973900
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Living polystyrene microparticles with average particle diameters varying between 0.5 and 3.8 mum were obtained via sec.-butyl lithium-initated anionic polymerization of styrene in n-hexane diluent when polystyrene-block-poly(4-trimethyl-silylstyrene) was added as dispersing agent. The influence of block copolymer molecular architecture and concentration as well as polymerization temperature, monomer concentration and THF addition on polystyrene particle size, molecular weight and molecular weight distribution were investigated. In comparison to anionic styrene polymerization in cyclohexane solution, the anionic styrene dispersion polymerization in n-hexane was markedly slower.
引用
收藏
页码：545 / 550
页数：6
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