Sulfophenylamino containing tetrareactive triazine disazo dyestu

Details Sulfophenylamino containing tetrareactive triazine disazo dyestu Sulfophenylamino containing tetrareactive triazine disazo dyestu

1976-01-09

1978-01-03

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 13, 8 41B, 8 50, 8 51, 8 63, 8 71, 8163, 8165, 260153, C09B 6208, D06P 1382, D06P 310, D06P 366

Patent

active

040663892

ABSTRACT:
Tetrareactive disazo dyestuffs of the formula ##STR1## wherein D represents a benzene radical containing at least one sulpho group; K represents a radical of 1-amino(or aminobenzoylamino)-8-naphthol-3,6-disulphonic acid, of 1-amino(or aminobenzoylamino)-8-naphthol-4,6-disulphonic acid, of 2-amino(or aminobenzoylamino)-5-naphthol-7-sulphonic acid, of 2-amino(or aminobenzoylamino)-8-naphthol-6-sulphonic acid, of 2-amino(or aminobenzoylamino)-5-naphthol-1,7-disulphonic acid, or of 2-amino(or aminobenzoylamino)-8-naphthol-3,6-disulphonic acid; B represents an aliphatic or aromatic radical; R.sub.1, R.sub.2 and R.sub.3 each independently represent hydrogen or alkyl having 1 to 6 carbon atoms; X represents chlorine, bromine or fluorine; and Y represents hydrogen, low-molecular alkyl or alkoxy, acetylamino, halogen, carboxy or sulpho; said dyestuffs being useful in dyeing materials such as silk, leather, wool, superpolyamide fibers, superpolyurethanes and fibrous cellulose containing materials, the dyeings being characterized by high depth of color and good fastness to light and wet processing, such as washing.

REFERENCES:
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patent: 3647778 (1972-03-01), Andrew et al.
patent: 3658782 (1972-04-01), Griffiths et al.
patent: 3664995 (1972-05-01), Andrew et al.
patent: 3966705 (1976-06-01), Oesterlein et al.

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