Method for improving the light fastness of nylon dyeings using c

Details Method for improving the light fastness of nylon dyeings using c Method for improving the light fastness of nylon dyeings using c

1979-04-25

1981-03-03

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Inorganic additive for dye composition, dye composition...

Group ib metal

8442, D06P 502, D06P 510

Patent

active

042538432

ABSTRACT:
The specification is directed to a method for enhancing the light fastness of dyed and undyed nylon textile fibers and to the treated fibers produced thereby. The beneficial effect is obtained by applying at least 3 parts per million colloidal phosphate to the fiber by exhaustion from an aqueous medium; the treatment being effected either before dyeing, simultaneously with or after the dye has been applied to the fiber.

REFERENCES:
patent: 2206278 (1940-07-01), Dreyfus
patent: 3332732 (1967-07-01), Karoly

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