Contacting arylene sulfide polymer with oxygen in extruder by co

Details Contacting arylene sulfide polymer with oxygen in extruder by co Contacting arylene sulfide polymer with oxygen in extruder by co

1984-05-29

1985-07-30

Anderson, Harold D.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528388, C08G 7516

Patent

active

045323100

ABSTRACT:
A method for continuously treating arylene sulfide polymer by passing the polymer through an extruder operated at conditions to produce mixing action at a temperature above the melting point of the polymer while contacting an amount of oxygen sufficient to produce a reduction of melt flow within a fixed residence time in the extruder.

REFERENCES:
patent: 3524835 (1970-08-01), Edmonds, Jr. et al.
patent: 3699087 (1972-10-01), Wood et al.
patent: 3717620 (1973-02-01), Rohlfing

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