Process for the isolation of polyarylene sulphide

Details Process for the isolation of polyarylene sulphide Process for the isolation of polyarylene sulphide

1985-09-03

1987-01-27

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

34 14, 264344, 528502, 528503, C08G 7514

Patent

active

046395075

ABSTRACT:
The isolation of polyarylene sulphides by freeing polyarylene sulphides of the type obtained in customary production processes from adherent water and any other volatile constituents by treating the polyarylene sulphides in screw machines and optionally melting them either simultaneously or subsequently.

REFERENCES:
patent: 3451462 (1969-06-01), Szabo et al.
patent: 3887529 (1975-06-01), Rohlfing
patent: 3956060 (1976-05-01), Scoggin
patent: 4508592 (1985-04-01), Kowalski
patent: 4532310 (1985-07-01), Christensen et al.

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