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

1986-11-20

1990-02-13

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

049008080

ABSTRACT:
The invention relates to a process for the production of high molecular weight, optionally branched polyarylene sulfides from alkali sulfides and aromatic dihalogen compounds, in which the reaction is carried out in a polar solvent, such as an N-alkyl lactam, containing from 0.5 to 100 mole %, based on the moles of aromatic dihalogen compound, of a lactam.

REFERENCES:
patent: 4490522 (1984-12-01), Kawabata et al.
patent: 4501884 (1985-02-01), Ostlinning et al.
patent: 4525579 (1985-06-01), Idel et al.

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