Process for dyeing textile material of polyester fiber/cellulose

Details Process for dyeing textile material of polyester fiber/cellulose Process for dyeing textile material of polyester fiber/cellulose

1974-09-12

1976-06-08

Hamrock, William F.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 44, 8 45, 8 46, D06P 382

Patent

active

039618846

ABSTRACT:
Process for the continuous dyeing of polyester fiber/cellulose blends with disperse dyestuffs and water-insoluble azo developing dyestuffs by padding the fibrous material with an aqueous solution of at least one ice-color coupling component, an alkaline agent and an alkali metal nitrite, then cross-padding the material so impregnated with a second aqueous bath of room temperature which contains at least one diazotizable amine, at least one thermosolable disperse dyestuff and an acidifier, and finally successively promoting the formation of the azo dyestuff by diazotizing and coupling as well as fixing the disperse dyestuff with the aid of elevated temperature.

REFERENCES:
patent: 3642424 (1972-02-01), Lowenfeld et al.
patent: 3708257 (1973-01-01), Lowenfeld et al.
patent: 3713767 (1973-01-01), Lowenfeld et al.

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