Process for preparing poly (arylene sulfide sulfone)

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

C - Chemistry, Metallurgy

08

G

402/320

C08G 75/20 (2006.01) C08G 75/02 (2006.01)

Patent

CA 2023863

Abstract of the Disclosure 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.

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