Method for purifying polyphenylene sulfide

Details Method for purifying polyphenylene sulfide Method for purifying polyphenylene sulfide

1983-07-14

1985-03-26

Marquis, Melvyn I.

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

045074682

ABSTRACT:
A method for purifying polyphenylene sulfide containing impurities mainly comprising an electrolytic component, which comprises heat-treating said polyphenylene sulfide in an organic solvent in the presence of an oxyalkylene compound thereby to reduce the amount of said impurities.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds, Jr. et al.
patent: 3919177 (1975-11-01), Campbell
patent: 4071509 (1978-01-01), Edmonds, Jr.

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