Treatment of poly(arylene sulfide/sulfone) polymers

Details Treatment of poly(arylene sulfide/sulfone) polymers Treatment of poly(arylene sulfide/sulfone) polymers

1989-10-06

1991-05-14

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528481, 528485, 528486, 528487, 528490, C08F 600

Patent

active

050157027

ABSTRACT:
Poly(arylene sulfide/sulfone) polymers prepared using a sulfur-rich reaction mixture are treated in order to increase melt stability by contacting the poly(arylene sulfide/sulfone) polymer with an acidic solution, followed by contacting the polymer with a soluble zinc compound.

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