Preparation of a high molecular weight poly(arylene sulfide keto

Details Preparation of a high molecular weight poly(arylene sulfide keto Preparation of a high molecular weight poly(arylene sulfide keto

1986-09-05

1987-12-29

Anderson, Harold D.

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

Synthetic resins

From ketone or ketene reactant

528222, 528224, 528370, 528371, 528372, 528373, C08G 6538

Patent

active

047162120

ABSTRACT:
A process, and product produced therefrom, for preparing a high molecular weight poly(arylene sulfide ketone) from the reaction product of an alkali metal bisulfide with an alkali metal hydroxide, employing molar excess of alkali metal bisulfide with respect to the alkali metal hydroxide. A process, and product produced therefrom, for preparing a high molecular weight poly(arylene sulfide ketone) employing an alkali metal sulfide and an alkali metal hydrosulfide, wherein the alkali metal sulfide is added in a molar excess with respect to the alkali metal hydrosulfide.

REFERENCES:
patent: 3953400 (1976-04-01), Dahl
patent: 4232142 (1980-11-01), Barr et al.
patent: 4361693 (1982-11-01), Jansons
patent: 4415729 (1983-11-01), Scoggins et al.
Chem. Abstracts, vol. 97, 1982, 216826.
Indian Journal of Chemistry Section A, 1982, pp. 501-502, D. Mukherjee et al.

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