Method for dyeing acrylonitrile polymer and copolymer fibres

Details Method for dyeing acrylonitrile polymer and copolymer fibres Method for dyeing acrylonitrile polymer and copolymer fibres

1979-03-02

1981-05-12

Hamrock, William F.

Bleaching and dyeing; fluid treatment and chemical modification

Gelled fiber-dyeing process or product

8927, D06P 370

Patent

active

042669405

ABSTRACT:
There is disclosed a process for the coloration of wet spun acrylic and modacrylic fibres in the gel form which comprises using a cationic dye, or its dye bases, which are substantially insoluble in water but soluble or partly soluble in organic solvents. There are also disclosed acrylic fibres so colored.

REFERENCES:
patent: 3643270 (1972-02-01), Kirschnek et al.

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