发明授权
US5556932A Chlorine-free, non-drying isobutene/diene copolymers and process for their preparation 失效
无氯,非干燥异丁烯/二烯共聚物及其制备方法

Chlorine-free, non-drying isobutene/diene copolymers and process for
their preparation
摘要:
Chlorine-free, non-drying copolymer of isobutene with C.sub.4 -C.sub.10 -dienes having isolated or conjugated double bonds and containing at least 60 mol % of terminal double bonds, and a process for their preparation.
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