Black mixture of fibre-reactive azo dyes containing essentially

Details Black mixture of fibre-reactive azo dyes containing essentially Black mixture of fibre-reactive azo dyes containing essentially

1995-04-28

1996-09-24

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

8543, 8549, 8641, 534617, 534637, 534638, 534642, C09B 62008, C09B 4316, C09B 6722, C09B 6724, D06P 138, D06P 310

Patent

active

055592155

ABSTRACT:
Black fiber-reactive azo dye mixtures and use thereof for dyeing hydroxy- and/or carboxamido-containing fiber material
Mixtures of fiber-reactive dyes are described which can be used to obtain deep black dyeings and prints on hydroxy- and/or carboxamido-containing fiber materials such as cellulose fiber materials, wool and synthetic polyamide fibers by the application methods which are customary in the art for fiber-reactive dyes. The dye mixtures comprise one or more disazo dyes of the formula (1) and one or more monoazo dyes of the formula (2) ##STR1## in which M is hydrogen or an alkali metal, R.sup.o is sulfo or carboxyl, R.sup.1 is hydrogen, methyl, ethyl, methoxy, ethoxy, sulfo or carboxy , R.sup.2 is hydrogen, methyl, ethyl, methoxy or ethoxy, Y is at each occurrence independently of the others vinyl, .beta.-chloroethyl, .beta.-phosphatoethyl, .beta.-thiosulfatoethyl or .beta.-sulfatoethyl, and in formula (2) the fluorotriazinylamino group is attached in position 2 or 3 to the 8-hydroxy-6-sulfonaphthalene radical.

REFERENCES:
patent: 3223470 (1965-12-01), Boedeker et al.
patent: 3325242 (1967-06-01), Bosshard et al.
patent: 4649193 (1987-03-01), Meininger et al.
patent: 5210187 (1993-05-01), Patsch et al.
patent: 5233026 (1993-08-01), Tzikas
patent: 5304221 (1994-04-01), Schwarz et al.

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