Poly(arylene sulfide ketone)/poly(arylene sulfide sulfone) block

Details Poly(arylene sulfide ketone)/poly(arylene sulfide sulfone) block Poly(arylene sulfide ketone)/poly(arylene sulfide sulfone) block

1992-11-13

1994-03-29

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...

525537, 524609, 528388, C08G 7514

Patent

active

052985741

ABSTRACT:
A process is provided for preparing poly(arylene sulfide ketone)/poly(arylene sulfide sulfone) block copolymers comprising: contacting poly(arylene sulfide ketone) prepolymer, at least one dihaloaromatic sulfone, a sulfur source, and a polar organic compound under polymerization conditions. The polymers thus produced exhibit crystalline properties and an increased glass transition temperature.

REFERENCES:
patent: 4008203 (1977-02-01), Jones
patent: 4895892 (1990-01-01), Satake et al.
patent: 4960841 (1990-10-01), Kawabata et al.
patent: 4975479 (1990-12-01), Satake et al.

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