Preparation of multiphase block copolymers by redox polymerization process, 4. Polymerization of methyl methacrylate by the redox system Mn(III)‐poly(ethylene glycol) containing azo groups
作者:
Ismail Cakmak,
期刊:
Die Angewandte Makromolekulare Chemie
(WILEY Available online 1995)
卷期:
Volume 224,
issue 1
页码: 49-54
ISSN:0003-3146
年代: 1995
DOI:10.1002/apmc.1995.052240105
出版商: Hüthig&Wepf Verlag
数据来源: WILEY
摘要:
AbstractRedox polymerization of methyl methacrylate using Mn(III) with poly(ethylene glycol) having azo and hydroxy functions was carried out to yield ethylene glycolmethyl methacrylate block copolymers with labile azo linkages in the main chain. These prepolymers were used to initiate free‐radical polymerization of styrene through thermal decomposition of the azo groups, resulting in the formation of multiblock copolymers. Successful blocking has been confirmed by fractional precipitation, a strong change in the molecular weight, and spectral measurement
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