发明授权
US4552939A Preparation of sulfonated copolymers by suspension copolymerization 失效
通过悬浮共聚制备磺化共聚物

Preparation of sulfonated copolymers by suspension copolymerization
摘要:
This invention relates to the preparation of sulfonated copolymers having a particle size in the range of 10 to 5,000 .mu.m by a suspension copolymerization process, wherein an unsulfonated monomer is copolymerized with a sulfonated monomer such as the trioctylammonium salt of vinyl sulfonate monomer or the trioctylammonium salt of acrylamedomethylpropane sulfonate.
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