Process for melt-spinning acrylonitrile polymer fiber using vert

Details Process for melt-spinning acrylonitrile polymer fiber using vert Process for melt-spinning acrylonitrile polymer fiber using vert

1979-02-21

1981-08-11

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642107, 264211, D01F 618

Patent

active

042833655

ABSTRACT:
Use of a vertically disposed compression zone for providing a fusion melt of acrylonitrile polymer and water in conjunction with melt spinning provides reduced bubble count in the resulting fiber.

REFERENCES:
patent: 3585263 (1971-06-01), Rassart
patent: 3627867 (1971-12-01), Schwarz
patent: 3991153 (1976-04-01), Klausner et al.
patent: 4117073 (1978-09-01), Koch et al.
patent: 4163770 (1979-08-01), Porosoff

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