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

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

1993-03-05

1994-02-15

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...

525536, 525906, 528388, C08G 7514

Patent

active

052868176

ABSTRACT:
A process is provided for preparing poly(arylene sulfide)/poly(arylene sulfide sulfone) block copolymer comprising: contacting poly(arylene sulfide) prepolymer, a dihaloaromatic sulfone, a sulfur source, and a polar organic compound under polymerization conditions, wherein said prepolymer is prepared by contacting a dihaloaromatic compound, a phenolic compound, a polar organic compound, and a sulfur source under polymerization conditions.

REFERENCES:
patent: 4301274 (1981-11-01), Campbell
patent: 4663431 (1987-05-01), Fujii et al.
patent: 4734470 (1988-03-01), Kawabata et al.
patent: 4929665 (1990-05-01), Inoue et al.
patent: 4960841 (1990-10-01), Kawabata et al.
patent: 5145946 (1992-09-01), Fujii et al.

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