Arylene sulfide polymer purification

Details Arylene sulfide polymer purification Arylene sulfide polymer purification

C - Chemistry, Metallurgy

08

G

402/345

C08G 75/14 (2006.01) C08G 75/02 (2006.01)

Patent

CA 1179448

30096CA Abstract of the Disclosure Arylene sulfide polymers containing ash-forming impurities or materials are purified by contacting an aqueous mixture of such polymer with molecular oxygen and a chemical treating agent under conditions sufficient to reduce the ash-forming impurities and concurrently at least partially cure the polymer. In another embodiment, at least partially cured arylene sulfide polymers are treated with a chemical treating agent in the absence of molecular oxygen to stabilize the melt flow of the resin.

387035

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