Process for trichromatic dyeing or printing of polyamide

Details Process for trichromatic dyeing or printing of polyamide Process for trichromatic dyeing or printing of polyamide

1984-05-24

1985-08-27

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8643, 8681, 8683, 8680, 8924, 8929, 8917, C09B 6722, D06P 306

Patent

active

045375984

ABSTRACT:
A process for dyeing or printing natural and synthetic polyamide material by the trichromatic technique, which comprises the use of a red dye of the formula (1) defined in the specification, or a mixture of the red dye of the formula (1) with a red dye of the formula (2) together with at least one yellow or orange dye of the formula (3), or a mixture of at least one yellow or orange dye of the formula (3) with a yellow dye of the formula (4) and at least one blue dye of the formula (5). The process of the invention is suitable for dyeing natural or synthetic polyamide material from an aqueous liquor or for printing with printing pastes. It is particularly suitable for dyeing from short liquors.

REFERENCES:
patent: 3713768 (1973-01-01), Wegmuller
patent: 4146363 (1979-03-01), Harms et al.
patent: 4312808 (1982-01-01), Lienhard et al.
patent: 4365967 (1982-12-01), Guth et al.
patent: 4378970 (1983-04-01), Lienhard et al.
patent: 4381186 (1983-04-01), Magni et al.
patent: 4396393 (1983-08-01), Schaetzer et al.
patent: 4402704 (1983-09-01), Raisin et al.
patent: 4445905 (1984-05-01), Schaetzer et al.

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