Exhaust method for dyeing fine-denier polyester fibers in dark s

Details Exhaust method for dyeing fine-denier polyester fibers in dark s Exhaust method for dyeing fine-denier polyester fibers in dark s

1986-08-22

1988-06-14

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8922, C09B 6722, D06P 118, D06P 354

Patent

active

047509120

ABSTRACT:
Polyester fibers which have a linear density of less than 0.1 den and a polyurethane content cannot be dyed in deep, bloomy blacks with the commercially available black and navy mixtures based on blue, yellow and red disperse dyes. This problem is overcome by using blue components which are derived from mixtures of selected disperse dyes of diazotized 1-amino-2,6-dicyano-4-nitrobenzene and coupling components from the series of specifically substituted N,N-dialkylanilines as a constituent for the trichromatic system.

REFERENCES:
patent: 4381262 (1983-04-01), Buhler et al.
patent: 4422854 (1983-12-01), Hahnle et al.
Derwent Abstract No. 83-815440/46, correspond to German 32 16 788 (Nov. 10, 1983).
Derwent Abstract No. 84-070051/12, corresponding to German 32 34 186 (Mar. 15, 1984).

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