Process for dyeing natural or synthetic polyamide fibre material

Details Process for dyeing natural or synthetic polyamide fibre material Process for dyeing natural or synthetic polyamide fibre material

1993-09-24

1994-10-18

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

8643, 8681, 8682, 8683, 8684, 8692, 8676, 8903, 8907, 8917, 8924, D06P 139, D06P 306, D06P 316, D06P 3852

Patent

active

053564456

ABSTRACT:
The invention relates to a process for dyeing natural or synthetic polyamide fiber material from an aqueous liquor, in the presence of a levelling assistant and in the presence or absence of an alkali metal fluorosilicate or ammonium fluorosilicate, which process comprises the use of a mixture of the dyes of formulae (1), (2) and (3) or a mixture of the dyes of formulae (4) and (5), or a mixture which contains the dye of formula (6) together with at least one dye of formulae (7), (8) and (9), which dyes of fomaulae (1) to (9) are as defined in claim 1.
The inventive process is suitable for dyeing natural or synthetic polyamide fiber material to give dyeings of fiber and surface levelness having good fastness properties.

REFERENCES:
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patent: 4411665 (1983-10-01), Egli
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patent: 4818248 (1989-04-01), Back
patent: 4954563 (1990-09-01), Hurter
patent: 5094665 (1992-03-01), Mausezahl
patent: 5131919 (1992-07-01), Mausezahl

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