Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1986-01-24
1987-05-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
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
Anderson Harold D.
Celanese Corporation
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