Process for preparing polyarylene sulfides with metal salt of hy

Details Process for preparing polyarylene sulfides with metal salt of hy Process for preparing polyarylene sulfides with metal salt of hy

1989-08-01

1992-06-30

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

528226, 528387, C08G 7516

Patent

active

051264307

ABSTRACT:
A process for preparing a polyarylene sulfide involves contacting a sulfur source with a metallic salt of an aliphatic .omega.-hydroxycarboxylic acid and a dihalogen aromatic compound in an organic polar solvent, thereby carrying out polycondensation with stability in a polymerization system in which a water content is large. the polyarylene sulfide prepared has a high degree of whiteness and with a sufficiently high molecular weight. The use of the metallic salt of .omega.-hydroxycarboxylic acid in a particular range can provide a novel polyarylene sulfide.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds, Jr. et al.
patent: 3867356 (1975-02-01), Campbell
patent: 3869433 (1975-03-01), Campbell
patent: 3876591 (1975-04-01), Campbell
patent: 3919177 (1975-11-01), Campbell
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patent: 4116947 (1978-09-01), Edmonds, Jr. et al.
patent: 4663431 (1987-05-01), Fujii et al.
patent: 4910294 (1990-03-01), Ogata et al.
English Abstract of DE 3,725,997 (Feb. 11, 1988).

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