Process for preparing poly(arylene sulfide sulfone) with control

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

1989-11-06

1991-10-01

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

528387, C08G 7516

Patent

active

050534866

ABSTRACT:
A process for preparing poly(arylene sulfide sulfone) by contacting a dihaloaromatic sulfone, an organic amide, a sulfur-containing compound, water, and an alkali metal carboxylate, wherein the molar ratio of the alkali metal carboxylate to the sulfur-containing compound is about 0.002:1 to less than 0.05:1.

REFERENCES:
patent: 3919177 (1975-11-01), Campbell
patent: 4016145 (1977-04-01), Campbell
patent: 4127713 (1978-11-01), Campbell
patent: 4598144 (1986-07-01), Ostlinning et al.
patent: 4774276 (1988-09-01), Bobsein et al.
patent: 4808698 (1989-02-01), Bobsein et al.

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