Process for melt spinning acrylonitrile polymer fiber using hot

Details Process for melt spinning acrylonitrile polymer fiber using hot Process for melt spinning acrylonitrile polymer fiber using hot

1980-10-27

1981-12-01

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264203, 264206, 2642103, 2642107, D01D 508

Patent

active

043036074

ABSTRACT:
Orientation stretching of acrylonitrile polymer fiber spun from a polymer-water melt directly into a steam-pressurized solidification zone is more readily accomplished when hot, liquid water is used to wet the fiber being processed at or before the stretch rolls.

REFERENCES:
patent: 2323383 (1943-07-01), Dreyfus
patent: 2425782 (1947-08-01), Bludworth et al.
patent: 3410940 (1968-11-01), Henderson et al.
patent: 3415922 (1968-12-01), Carter et al.
patent: 4163770 (1979-08-01), Povosoff

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