Process for preparing poly(arylene sulfide sulfone)

Details Process for preparing poly(arylene sulfide sulfone) Process for preparing poly(arylene sulfide sulfone)

1990-02-20

1991-01-29

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

528171, 528174, C08G 7520

Patent

active

049887963

ABSTRACT:
A process for preparing poly(arylene sulfide sulfone) by contacting a dihaloaromatic sulfone, an organic amide, a sulfur-containing compound selected from the group consisting of alkali metal bisulfides, hydrogen sulfide and N-methyl-2-pyrrolidinethione, water, and an alkali metal carboxylate.

REFERENCES:
patent: 3919177 (1975-11-01), Campbell
patent: 4016145 (1977-04-01), campbell
patent: 4102875 (1978-07-01), Campbell
patent: 4301274 (1981-11-01), Campbell
patent: 4808698 (1989-02-01), Bobsein et al.

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