Free-flowing polyarylene sulfides crystallizing with delay

Details Free-flowing polyarylene sulfides crystallizing with delay Free-flowing polyarylene sulfides crystallizing with delay

1989-05-30

1991-02-26

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524172, 524217, 524259, 524260, C08K 532

Patent

active

049962566

ABSTRACT:
The invention relates to new, free-flowing arylene sulfide polymers (PAS) preferably phenylene sulfide polymers, which crystallize with delay, optionally additionally display improved resistance to UV radiation, and are prepared by mixing PAS with aromatic mononitro compounds in the melt, preferably with the application of shearing forces.

REFERENCES:
patent: 3247162 (1966-04-01), Newland et al.
patent: 3268499 (1966-08-01), Wales
patent: 3852227 (1974-12-01), Matsuda et al.
patent: 4007159 (1977-02-01), Dounchis
patent: 4699975 (1987-10-01), Katto et al.

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