Multi-component mixtures of blue disperse azo dyes for the dyein

Details Multi-component mixtures of blue disperse azo dyes for the dyein Multi-component mixtures of blue disperse azo dyes for the dyein

1989-06-07

1991-01-15

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8532, 8533, 8638, 8921, 8922, C09B 6722, D06P 118, D06P 354

Patent

active

049850440

ABSTRACT:
Since anthraquinonoid disperse dyes of the dark blue and navy region give only a low color strength on synthetic fibers, there was an urgent need for their coloristically advantageous substitution by high performance blue azo dyes which are suitable for being used in the carrier dyeing process.
According to the invention, the systematic development of multi-component mixtures based on selected blue azo dyes from the dicyano azo series makes it possible to avoid most of the disadvantages mentioned.

REFERENCES:
patent: 4381262 (1983-04-01), Buhler et al.
patent: 4405330 (1983-09-01), Bergmann et al.
patent: 4422854 (1983-12-01), Hahnle et al.
patent: 4689050 (1987-08-01), Hahnke et al.
patent: 4750912 (1988-06-01), Kuhn
patent: 4851012 (1989-07-01), Buhler et al.

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