Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Thiosulfato group containing dye
Patent
1998-07-28
1999-08-03
Einsmann, Margaret
Bleaching and dyeing; fluid treatment and chemical modification
Reactive dye composition, process, or product
Thiosulfato group containing dye
8549, 8918, 8641, 8917, 8924, 8921, D06P 138, D06P 366
Patent
active
059319747
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 carboxy-substituted benzoylamino-sulfo-naphthol 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: 5508389 (1996-04-01), Mischke et al.
patent: 5690698 (1997-11-01), Von Der Eltz et al.
patent: 5779739 (1998-07-01), Von Der Eltz
Dystar Textilfarben GmbH & Co.
Einsmann Margaret
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