Ciba-Geigy Corporation

Ciba-Geigy Ag

Karl Seitz

Peter Scheibli

Henri Riat

Karl Hoegerle

Gert Hegar

Herbert Seiler

Fritz Oesterlein

Athanassios Tzikas

Dieter Mausezahl

Rainer Begrich

Reactive dyes which contain at least one radical of the formula

Bireactive primary disazo dyes containing

Dyes of the formula ##STR1## wherein K is the radical of a coupling component which can additionally contain azo groups, R is hydrogen or methyl, and Z is a fluorine atom, a substituted or unsubstituted amino group, a substituted or unsubstituted hydroxyl group, a substituted or unsubstituted mercapto group, or a substituted or unsubstituted hydrocarbon radical are distinguished by high reactivity and they produce dyeings of good wet- and light-fastness properties. The dyes of the Formula (I) are suitable for dyeing and printing a very wide variety of materials, such as silk, leather, wool, polyamide and polyurethane fibres, and especially cellulosic materials of fibrous structure, such as liner, cellulose, regenerated cellulose, and in particular cotton. They are suitable both for the exhaust method and for dyeing by the pad-dyeing process. They are also suitable for printing, in particular on cotton.

Dyes of the 1-sulfo-5-(2'-amino or 2'-substituted

Reactive dyes useful for dyeing natural and synthetic fibers of the formula ##STR1## in which D.sub.1 is a benzene or naphthalene radical, which can be substituted, D.sub.2 is a benzene radical, which can be substituted, R.sub.1 is hydrogen or C.sub.1-4 -alkyl, the bridge member --N(R.sub.1)-- is bonded to a ring carbon atom of D.sub.2, R.sub.2 is hydrogen or C.sub.1-4 -alkyl, which can be substituted, and R.sub.3 is hydrogen or substituted or unsubstituted alkyl, cycloalkyl, aralkyl or aryl.

Amino-fluoro-S-triazine disazo dyes of the H-acid series

A reactive dye of the formula ##STR1## in which Fa is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, T is a negative substituent, one X is a detachable substituent and the other X is a group of the formula ##STR2## A is arylene, V is hydrogen, a substituted or unsubstituted C.sub.1 -C.sub.4 alkyl radical or a radical of the formula --(CH.sub.2).sub.q --SO.sub.2 --Z, Z is a --CH.dbd.CH.sub.2 or CH.sub.2 --Y radical and Y is an inorganic or organic radical which is detachable under alkaline conditions, q, m and n are independently of one another an integral number from 2 to 6, R and R' are independently of one another hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl, and r is 1 or 2. The inventive dyes are especially suitable for dyeing and printing cellulose-containing fiber materials by the cold pad-batch method.

Fiber-reactive dyes comprising a halopyrimidine for which a

Reactive dyes of the formula ##STR1## in which (R).sub.n stands for n substituents R which, independently of each other, can be C.sub.1-4 -alkyl, C.sub.1-4 -alkoxy, halogen, carboxyl, carbamoyl, N-C.sub.1-4 -alkylcarbamoyl, N,N-di-C.sub.1-4 -alkylcarbamoyl, C.sub.1-4 -alkylsulfonyl, sulfamoyl, N-C.sub.1-4 -alkylsulfamoyl or N,N-di-C.sub.1-4 -alkylsulfamoyl, n is 0 to 2, m is 1 to 2, one X is an H.sub.2 N group and the other X is a radical of the formula ##STR2## in which R.sub.1 and R.sub.2 are independently of each other hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl, A is C.sub.2-4 -alkylene which can be substituted by halogen, hydroxyl, carboxyl, sulfo, phenyl, sulfophenyl or C.sub.1-4 -alkoxycarbonyl, or is cyclohexylene which can be substituted by C.sub.1-4 -alkyl, or in which the group --N(R.sub.1)--A--N(R.sub.2)-- is 1,4-piperazinediyl, and Y is a reactive radical, are suitable for dyeing and printing cellulose-containing fibre materials and produce wet- and light-fast dyeings in bright blue shades.

Reactive dyes of the dioxazine series

Reactive dyes of the formula ##STR1## in which D is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthrone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, R is hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl, X is a substituent which is detachable as an anion, B is a radical of the formula ##STR2## R.sub.1 and R.sub.2, independently of each other, are hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl or phenyl, A is a substituted or unsubstituted aliphatic or aromatic bridge member, Y is a --CO--Z or --SO.sub.2 --Z radical, Z is an aliphatic, aromatic or heterocyclic reactive radical, and n is 1 or 2, are suitable for dyeing or printing cellulose-containing and nitrogen-containing materials and in high dyeing yield produce dyeings and prints having good fastness properties.

Triazinyl reactive dyestuffs in which triazinyl group is further

A process for dyeing or printing textile fibre materials with reactive dyes, which comprises using reactive dyes which contain at least one radical of the formula

Process for dyeing or printing textile fibre materials with reactive dye

Reactive dyes of the formula ##STR1## in which D is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, R is hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl, X is a substituent which is detatchable in the form of an anion, A is arylene or C.sub.2-6 -alkylene, Y is a --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Z radical, Z is an inorganic or organic radical which is detachable under alkaline conditions, B is hydrogen or the radical of a substituted or unsubstituted hydrocarbon, T is a negative substituent, and n is 1 or 2, are suitable for dyeing or printing cellulose-containing and nitrogen-containing materials and produce, in high colouristic yields, dyeings and prints having good fastness properties.

Fibre-reactive dyes containing halopyrimidine radicals to which a

Dyes of the formula ##STR1## in which D is the radical of an organic dye, R is hydrogen or a low molecular weight alkyl group, X is an unsubstituted or substituted alklyl or alkenyl radical, one Y is halogen and the other Y is a substituent.

Dyes, their preparation and use

Reactive dyes of the formula ##STR1## in which M is twice-coupled 1-amino-8-hydroxynaphthalene-3,6-disulfonic acid, 1-amino-8-hydroxynaphthalene-4,6-disulfonic acid, 1-amino-8-hydroxynaphthalene-4-sulfonic acid or 2-amino-5-hydroxynaphthalene-7-sulfonic acid, A and B, independently of each other, are each sulfophenylene or sulfonaphthylene which can be further substituted, and X.sub.1 and X.sub.2 are each a 2,4-difluoro-5-chloropyrimid-6-yl radical, subject to the condition that A and B together contain at least 3 sulfo groups, are particularly suitable for dyeing and printing cellulose-containing fibre materials and produce, in high dyeing yield, dyeings and prints having good fastness properties.

Reactive disazo dyes and their use: containing two

The invention relates to reactive dyes of the formula ##STR1## wherein D is the radical of a dye of the monoazo or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, each of R.sub.1 and R.sub.2 independently is hydrogen or an unsubstituted or substituted C.sub.1 -C.sub.4 alkyl radical, X.sub.1 is an unsubstituted or substituted aminofluoro-s-triazine radical, and X.sub.2 is a heterocyclic reactive radical which is attached direct to the radical D through the --N(R.sub.2) bridge member, excepting an unsubstituted or substituted aminofluoro-s-triazine. These dyes are particularly suitable for dyeing and printing cellulosic fibre material by the cold pad-batch method and give dyeings and prints of good fastness properties and high tinctorial strength.

Reactive dyes, process for their preparation and use thereof

Dyes of the formula ##STR1## in which D is the radical of an organic dye, R is hydrogen or a low molecular weight alkyl group, X is an unsubstituted or substituted alkyl or alkenyl radical, one Y is halogen and the other Y is a substituent.

Novel dyes, their preparation and use

Azo dyes of the formula ##STR1## in which D is the sulfo group-containing radical of an aromatic or heterocyclic diazo component, which can be further substituted and itself can contain an azo bridge, R.sub.1 and R.sub.2 independently of one another are each a hydrogen atom or a substituted or unsubstituted alkyl or aryl radical and X is a substituted or unsubstituted alkyl or alkenyl radical, and their heavy metal complexes, it being possible for the azo dyes of the formula (1) and their heavy metal complexes to contain reactive radicals.

Azo dyes, their preparation and use

Reactive dyes of the formula ##STR1## wherein one Y is hydrogen and the other Y is sulfo, R.sub.1 and R.sub.2 are hydrogen or the group --N(R.sub.1)--A--N(R.sub.2)-- is a piperazine radical, A is an alkylene or arylene radical, and Z is an amino, alkoxy or alkylthio group, and the benzene ring B can contain further substituents in addition to the --SO.sub.3 H--group.

Reactive dyes, processes for their production and use thereof

The invention provides compounds of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 independently is a hydrogen atom or a substituted or unsubstituted alkyl or aryl radical, R.sub.3 is a hydrogen atom or the carbamoyl radical, and X is a substituted or unsubstituted alkyl or alkenyl radical. A process for preparing these compounds is also disclosed.

Growing community of inventors

Oberwil, Switzerland

Karl Seitz