Process for the preparation of polyarylene sulphides

Details Process for the preparation of polyarylene sulphides Process for the preparation of polyarylene sulphides

1982-09-13

1984-01-03

Marquis, Melvyn I.

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

044243391

ABSTRACT:
Process for preparing polyarylensulfides by reacting dihalogenobenzenes, optionally substituted with polyhalogenoaromatic compounds with 3 or 4 halogeno substituents, and alkali metal sulfide in polar solvents using alkali metal sulfites and/or alkaline earth metal sulfites as catalysts.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds, Jr. et al.
patent: 3763124 (1973-10-01), Edmonds, Jr.
patent: 3919177 (1975-11-01), Campbell
patent: 4116947 (1978-09-01), Edmonds, Jr. et al.
patent: 4331801 (1982-05-01), Idel et al.
patent: 4362864 (1982-12-01), Idel et al.

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