Crosslinking of polybenzimidazole polymer with divinyl sulfone

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525435, 525540, C08G 7318

Patent

active

046669965

ABSTRACT:
Disclosed herein is a process for crosslinking polybenzimidazole polymers which comprise reacting said polymers with a divinylsulfone in the presence of a strong base catalyst.

REFERENCES:
patent: 3408336 (1968-10-01), Benson
patent: 4020142 (1977-04-01), Davis et al.
patent: 4579915 (1986-04-01), Choe

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