Flowable polyacrylonitrile power treated with essentially pure s

Details Flowable polyacrylonitrile power treated with essentially pure s Flowable polyacrylonitrile power treated with essentially pure s

1980-04-01

1982-04-13

Hamrock, William F.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525487, 524565, C08K 536

Patent

active

043247075

ABSTRACT:
A flowable polymeric extrusion powder consisting essentially of acrylonitrile polymer particles is provided at low temperature treated with a non-sticking amount of solvent. Sufficient solvent can be added to dissolve the polymer at elevated temperature, for instance, more than 120 parts by weight of dimethyl sulfoxide solvent can be added per hundred parts of dry polymer below ambient temperature.

REFERENCES:
patent: 2307371 (1941-08-01), Hileman
patent: 2897171 (1959-07-01), Cseray et al.
patent: 3380949 (1968-04-01), Isley
patent: 3560425 (1971-02-01), Wolinski
patent: 3741223 (1973-06-01), Kavera
patent: 3936584 (1976-02-01), Patton
patent: 4028302 (1977-06-01), Tynan

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