Process for the tone-in-tone printing and pad-dyeing of textile

Details Process for the tone-in-tone printing and pad-dyeing of textile Process for the tone-in-tone printing and pad-dyeing of textile

1976-05-26

1978-08-29

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 21B, 8 21C, 8 22, 8 41B, 8 41C, 8 44, 8 45, 8 542, 8 93, D06P 382

Patent

active

041100719

ABSTRACT:
Described is a process for the tone-in-tone printing and pad-dyeing of textile material made from fibre mixtures of synthetic and natural material with at least one disperse dye with the use of solvents having swelling properties, which process comprises printing or impregnating the textile material with a printing paste or padding liquor in which one or more disperse dyes have been produced by reaction of coupling components with diazo components; subsequently subjecting the printing or the dyeing, after intermediate drying, to a heat treatment and finally to the finishing process.
There are obtained in the case of many disperse dyes when they are produced in the printing paste or padding liquor by the process of the invention better fixings on the natural constituent of the mixed fibres than when the same dyes are firstly produced and then added in the finely-dispersed form to the printing paste or padding liquor.

REFERENCES:
patent: 3266863 (1966-08-01), Price
patent: 3288552 (1966-11-01), Streck
patent: 3617180 (1971-11-01), Streck
patent: 3658456 (1972-04-01), Hertel
patent: 3667897 (1972-06-01), Blackwell et al.
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 3888624 (1975-06-01), Blackwell et al.
patent: 4017256 (1977-04-01), Kogel et al.

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