Process for the production of hydrophilic polyacrylonitrile fila

Details Process for the production of hydrophilic polyacrylonitrile fila Process for the production of hydrophilic polyacrylonitrile fila

1987-08-21

1989-03-07

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26421116, 264233, D01F 618, D01D 506

Patent

active

048104493

ABSTRACT:
Hydrophilic polyacrylonitrile filaments or fibres where at least one filament-forming synthetic polymer is wet spun in a spinning solvent and wherein the spinning solvent has added to it from 10 to 20% by weight of a substance which is readily miscible with the spinning solvent and a washing liquid and is a nonsolvent for the polymer to be spun.

REFERENCES:
patent: 2716093 (1955-08-01), McClellan
patent: 3322611 (1967-05-01), Stevenson
patent: 4143200 (1979-03-01), Radlmann et al.
patent: 4180617 (1979-12-01), Reinehr et al.
patent: 4356134 (1982-10-01), Reinehr et al.

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