Process for the stabilization of copolymers of maleic anhydride

Details Process for the stabilization of copolymers of maleic anhydride Process for the stabilization of copolymers of maleic anhydride

1993-09-14

1994-08-23

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

526272, C08F 628

Patent

active

053409183

ABSTRACT:
A copolymer of maleic anhydride and an alkyl vinyl ether is stabilized by contacting same with a non-reactive substantially moisture free gas at a temperature of from about 30.degree.-100.degree. C. for from about 0.5-24 hours. The copolymer is preferably prepared by reacting together maleic anhydride and an alkyl vinyl ether in the presence of a free radical initiator.

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