Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Thiosulfato group containing dye
Patent
1998-08-27
2000-08-22
Einsmann, Margaret
Bleaching and dyeing; fluid treatment and chemical modification
Reactive dye composition, process, or product
Thiosulfato group containing dye
8549, 8641, 8918, 8924, C09B 6724, D06P 1384, D06P 310, D06P 366
Patent
active
061065803
ABSTRACT:
A dye mixture comprising one or more disazo dyes composed of 1-amino-3,6-disulfo-8-naphthol as the coupling component and of two diazo components of the aniline series containing each a fiber-reactive group of the vinylsulfone series, one or more monoazo dyes composed of a sulfo-substituted 2-amino-naphthalene as coupling component and a diazo component of the aniline series containing a fiber-reactive group of the vinylsulfone series, and optionally one or two monoazo dyes with 1-amino-3,6-disulfo-8-naphthol as a coupling component to which is coupled in the ortho-position to the amino group a diazo component of the aniline series substituted by a fiber-reactive group of the vinylsulfone series. The dye mixtures yield on hydroxy- and/or carboxamido-containing fiber materials, such as cellulose fibers, in particular cotton, or on, for example, wool and synthetic polyamide fibers, deep black dyeings.
REFERENCES:
patent: 5445654 (1995-08-01), Hussong et al.
patent: 5611821 (1997-03-01), Huang et al.
DyStar Textilfarben GmbH & Co. Deutschland KG
Einsmann Margaret
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