Process for coloring aromatic polyester-cellulose unions with a

Details Process for coloring aromatic polyester-cellulose unions with a Process for coloring aromatic polyester-cellulose unions with a

1975-04-03

1976-11-23

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 25, 8 41C, 8 542, 8163, 8165, 8 74, D06P 382

Patent

active

039934381

ABSTRACT:
An improved process for the continuous coloration of aromatic polyester/cellulose unions which comprises continuously applying to the said unions a reactive dyestuff and a disperse dyestuff containing at least two carboxylic acid ester groups, fixing the dyestuffs on the union, and thereafter subjecting the colored union to a treatment in an aqueous alkaline bath at a pH above 8.0 and at a temperature between 50.degree. and 85.degree. C, whereby the unions are padded or printed in a wide variety of shades possessing excellent fastness properties and there is little or no staining of any unprinted areas of the unions.

REFERENCES:
patent: 3163635 (1964-12-01), Riat et al.
patent: 3767356 (1973-10-01), Turner
Schmidlin, "Preparation and Dyeing of Synthetic Fibres" (Chapman & Hall, London), 1963, p. 403.
Ulrich and Stern, American Dyestuff Reporter, 1964 (Aug. 17) pp. 13-15.
Cheetham, "Dyeing Fibre Blends" (Van Nostrand, London), 1966, pp. 260-264.

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