Water-soluble disazo compounds containing the 1-amino-8-hydroxy-

Details Water-soluble disazo compounds containing the 1-amino-8-hydroxy- Water-soluble disazo compounds containing the 1-amino-8-hydroxy-

1986-10-14

1989-04-04

Higel, Floyd D.

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

Organic compounds

Azo

534582, 534617, 534641, 534643, 534 63, 534887, C09B 62513, C09B 62533, C09B 6267, D06P 1384

Patent

active

048188140

ABSTRACT:
Water-soluble disazo compounds of the formula ##STR1## in which D is a benzene ring or a naphthalene ring which can both be substituted by substituents from the group consisting of chlorine, bromine, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, carboxy and sulfo, X is the vinyl group or a .beta.-sulfatoethyl group, R is a .beta.-sulfatoethylsulfonyl, 3-(.beta.-chloroethylsulfonyl)-benzoyl, 4-(.beta.-chloroethylsulfonyl)-benzoyl, 3-(.beta.-chloroethylsulfonylmethyl)-benzoyl, 4-(.beta.-chloroethylsulfonylmethyl)-benzoyl,4-(.beta.-chloroethylsulfonyl )-cinnamoyl, 3-(N-methyl-N-.beta.chloroethylsulfonyl)-aminobenzoyl or 4-(N-methyl-N-.beta.-chloroethylsulfonyl)-aminobenzoyl group, m is the number 1 or 2 and M denotes a hydrogen atom or an alkali metal.
The disazo compounds are suitable for use as dyes having fiber-reactive properties for dyeing hydroxy- and/or carboxamido-containing fiber material, such as in particular cellulose fiber materials and polyamide fiber materials.
These disazo compounds have good solubility and stability in printed pastes and dyebaths; they exhibit a high color strength and a good color buildup; and they produce, in high degrees of fixation, navy to black dyeings and prints with good fastness to, inter alia, light, wash, seawater, chlorinated water, acid, and alkali, and these dyeings and prints have stability toward copper ions.

REFERENCES:
patent: 3419541 (1968-12-01), Kuhne et al.
patent: 3558592 (1971-01-01), De Montmollin
patent: 4425270 (1984-01-01), Yamada et al.
patent: 4568350 (1986-02-01), Rohrer

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