Aromatic sulfide/sulfone polymer production

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

C - Chemistry, Metallurgy

08

G

402/320

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

Patent

CA 1113645

AROMATIC SULFIDE/SULFONE POLYMER PRODUCTION Abstract of the Disclosure Aromatic sulfide/sulfone polymers of increased molecular weight are produced by contacting a dihalo aromatic sulfone, at least partially hydrated alkali metal sulfide, and an organic amide under polymerization conditions which produce a higher molecular weight aromatic sulfide/sulfone polymer. The use of at least one at least partially hydrated alkali metal sulfide other than lithium sulfide results in polymers of increased molecular weight having utility as coatings, films, molded objects, filaments, fibers, and the like.

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