Arylene sulfide polymer purification

Details Arylene sulfide polymer purification Arylene sulfide polymer purification

1980-10-06

1983-03-08

Hayes, Lorenzo B.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528483, 528488, 528489, C08F 624

Patent

active

043761968

ABSTRACT:
Arylene sulfide polymers containing ash-forming impurities or materials are purified by contacting an aqueous mixture of such polymer with molecular oxygen under conditions sufficient to reduce the ash-forming impurities and concurrently at least partially cure the polymer.

REFERENCES:
patent: 3707528 (1972-12-01), Miles
patent: 3717620 (1973-02-01), Rohlfing
patent: 3839302 (1974-10-01), Miles
patent: 4071509 (1978-01-01), Edmonds, Jr.

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