Aromatic sulfide/sulfone polymer production

Details Aromatic sulfide/sulfone polymer production Aromatic sulfide/sulfone polymer production

C - Chemistry, Metallurgy

08

G

402/320

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

Patent

CA 1311083

Abstract A process is provided for the production of aromatic sulfide/sulfone polymers which involves contacting under suitable polymerization reaction conditions: (1) at least one dihaloaromatic sulfone, (2) at least one organic amide, (3) at least one alkali metal hydrosulfide, (4) water, and (5) at least one member selected from the group consisting of (a) alkali metal carbonates and (b) mixtures of alkali metal carbonates with alkali metal hydroxides wherein said mixtures have at least about 0.5 mole percent alkali metal carbonate.

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