Aromatic sulfide/sulfone polymer production

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

1977-11-14

1978-11-28

Marquis, Melvyn I.

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

Synthetic resins

From sulfur-containing reactant

528171, 528388, C08G 7520

Patent

active

041277139

ABSTRACT:
Aromatic sulfide/sulfone polymers of increased molecular weight are produced by contacting at least one dihalo aromatic sulfone, at least one alkali metal sulfide, at least one organic amide, at least one sodium carboxylate, and a sufficient amount of water to produce higher molecular weight polymers than are normally produced. The resulting polymers have utility as coatings, films, molded objects, filaments, fibers, and the like.

REFERENCES:
patent: 4016145 (1977-04-01), Campbell

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