Process for the production of high molecular weight, optionally

Details Process for the production of high molecular weight, optionally Process for the production of high molecular weight, optionally

1985-08-01

1986-12-23

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

C08G 7516

Patent

active

046313362

ABSTRACT:
This invention relates to a process for the production of high molecular weight, optionally branched polyarylene sulphides from alkali metal sulphides and halogenated aromatic compounds in the presence of from 0.5 to 100 mol %, based on the molar quantity of aromatic dihalogen compounds, of an ester or anhydride of a carboxylic acid.

REFERENCES:
patent: 3919177 (1975-11-01), Campbell
patent: 4038261 (1977-07-01), Crouch et al.
patent: 4116947 (1978-09-01), Edmonds et al.
patent: 4413083 (1983-11-01), Davies

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