Coloration process

Details Coloration process Coloration process

1975-10-08

1977-06-21

Wong, Jr., Harry

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 41C, 8 73, 8167, 8168C, 8179, C09B 100, C09B 562, D06P 502

Patent

active

040308812

ABSTRACT:
Process for the coloration of aromatic polyester or cellulose triacetate textile materials which comprises applying to the said textile material by an aqueous dyeing, padding or printing process a disperse dyestuff which contains at least two carboxylic acid ester groups and subsequently giving the colored textile material a treatment in an aqueous solution of an alkali having a pH above 8 and at a temperature between 50.degree. and 85.degree. C, whereby the textile materials are colored in a wide variety of shades possessing very good to excellent fastness properties.

REFERENCES:
patent: 1926086 (1933-09-01), Dreyfus
patent: 2222733 (1940-11-01), Ackermann
patent: 2290945 (1942-07-01), Dahlen et al.
patent: 3480378 (1969-11-01), Taube et al.
patent: 3642427 (1972-02-01), Berrie et al.
patent: 3934972 (1976-01-01), Greenhalgh et al.

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