Method of treating poly(arylene sulfide sulfone) polymers and po

Details Method of treating poly(arylene sulfide sulfone) polymers and po Method of treating poly(arylene sulfide sulfone) polymers and po

1992-10-27

1994-07-19

Bleutge, John C.

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

Synthetic resins

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

524170, 528388, C08G 7514

Patent

active

053310691

ABSTRACT:
Poly(arylene sulfide sulfone) polymers recovered from a reaction mixture produced by contacting at least one haloaromatic sulfone, at least one sulfur source, and a polar organic compound at polymerization conditions are treated with (1) a haloaromatic sulfone mixture comprising at least one haloaromatic sulfone and a polar organic compound followed by contacting the polymer with (2) a zinc compound. The two-step treatment improves the melt stability and extrudate quality of the polymer.

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patent: 5128445 (1992-07-01), Scoggins et al.

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