Process for the preparation of polyarylene sulphides

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

1980-07-23

1981-12-01

Marquis, Melvyn I.

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

Synthetic resins

From sulfur-containing reactant

260 37R, 260 457P, C08G 7514

Patent

active

043037810

ABSTRACT:
Preparation of a polyarylene sulphide by polycondensing a substituted p-dihalogenobenzene and optionally a polyhalogeno aromatic compound having at least three halo substituents with an alkali metal sulphide in a polar solvent in the presence of a catalytic amount of a tri-alkali metal phosphate.

REFERENCES:
patent: 3658753 (1972-04-01), Reed et al.
patent: 4064114 (1977-12-01), Edmonds, Jr.

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