发明申请
US20090203850A1 HALOBUTYL ELASTOMERS 有权
HOBOBUTYL弹性体

HALOBUTYL ELASTOMERS
摘要:
The present invention relates to the modification of butyl elastomers, particularly halobutyl elastomers, under solvent free conditions with a phase transfer catalyst in the presence of an alkyl metal salt of an oxygen or sulfur-based nucleophile.
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