Abstract:
1:2 Chromium complex dyes which contain one molecule of an azo or azomethine compound of the formula ##STR1## and one molecule of the azomethine compound of the formula ##STR2## COMPLEXED TO A CHROMIUM ATOM, IN WHICH FORMULAE A represents the radical of a diazo component of the benzene or naphthalene series, which carries the complex-forming group XH in ortho-position to the azo group,B represents the radical of a coupling component which couples in ortho-position to HX' or the radical of an aromatic o-hydroxyaldehyde,Z represents a nitrogen atom or the -CH group,X represents an oxygen atom or a -CO-O group,X' represents an oxygen atom, a NH group, a low molecular N-alkyl, N-aralkyl or N-aryl group, andR represents a substituted or unsubstituted aliphatic or cycloaliphatic radical,And the benzene ring a can carry a further fused benzene ring or can be substituted by halogen, nitro, alkyl and alkoxy, in particular by low molecular alkyl and alkoxy, and these compounds contain together 0 to 5 water-solubilizing groups and optionally a group of the formula--N.dbd.N--Ar--N.dbd.N--Ar' (3)and/or one to two groups of the formula--N.dbd.N--Ar" (4)wherein Ar, Ar' and Ar" represent an aromatic, carbocyclic or heterocyclic radical. These dyes are primarily suitable for dyeing natural and synthetic polyamide material.
Abstract:
Chromium complex dyes of the formula ##STR1## wherein Z is a nitro group or a chlorine atom, each of R and R.sub.1 is a phenyl radical which is optionally substituted by halogen, low molecular alkoxy, low molecular alkyl or nitro, one of the symbols X.sub.1, X.sub.2 and X.sub.3 is hydrogen and each of the others is hydrogen, a halogen atom, a nitro, methyl or methoxy group and Me.sup.+ is a cation. The dyes are suitable for dyeing and printing natural and synthetic polyamides to produce dyeings which are level and have good fastness to light, washing, fulling, decatizing and carbonizing.
Abstract:
Chromium complex dyes which, in the form of their free acid, have the formula ##STR1## wherein one X represents the sulphonic acid group and the other X represents the nitro group, Y is a sulfone or sulfonamide group and Z is an acyl group. The dyes are suitable for dyeing natural and synthetic polyamides to produce dyeings which are level and have good fastness to light, perspiration, fulling, decatizing and carbonizing.
Abstract:
Chromium complex dyes of the formula ##STR1## WHEREIN Z represents a phenyl radical, an alkyl radical of 4 to 12 carbon atoms, a cycloalkyl radical of 5 to 9 carbon atoms or an aralkyl radical of 7 to 12 carbon atoms,S.sub.1 represents hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 2 carbon atoms, nitro, alkanoylamino of 2 to 3 carbon atoms or alkoxycarbonylamino of 2 to 3 carbon atoms,S.sub.2 represents hydrogen, alkyl of 1 to 5 carbon atoms, alkanoylamino or alkoxycarbonylamino, each of 2 to 3 carbon atoms,Me.sup.+ represents a cation, andAr represents the radical of an aromatic or a heterocyclic diazo component which contains 1 to 3 SO.sub.3 H groups and is optionally further substituted by carboxy, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 2 carbon atoms or nitro.
Abstract:
The invention relates to chromium complexes of the formula ##STR1## in which L is H.sub.2 O, NH.sub.3, R.sub.2 --OH, R.sub.2 --NH.sub.2, (R.sub.2).sub.2 NH, (R.sub.2).sub.3 N or pyridine, wherein R.sub.2 is C.sub.1-6 -alkyl unsubstituted or substituted by halogen, C.sub.1-4 -alkoxy or amino, B is 8-hydroxyquinoline, 5-chloro-8-hydroxyquinoline, 5-hydroxyacridine, 6-hydroxy-4,7-phenanthroline, pyridine-2-carboxylic acid, 8-carboxyquinoline, 5,7-dibromo-8-hydroxyquinoline, o-hydroxyaniline, o-hydroxynaphthylamine, proline, glycine, serine, aspartic acid or R.sub.1 --CH(NH.sub.2)--COOH, wherein R.sub.1 is C.sub.1-6 -alkyl unsubstituted or substituted by halogen, C.sub.1-4 -alkoxy or amino, D is benzene or naphthalene, Y is the nitrogen atom or the CH group, K, in the event that Y is the nitrogen atom, is naphthol, naphthylamine, 5-pyrazolone, 5-aminopyrazole, 1-phenyl- or 1-naphthyl-5-aminopyrazole, 1-phenyl- or 1-naphthyl-5-pyrazolone, 2,6-dihydroxy-3-cyano- or -3-carboxamido-4-alkylpyridine, 6-hydroxypyrid-2-one, acetoacetanilide, benzoylacetanilide or phenol, or, in the event that Y is the CH group K is o-hydroxybenzaldehyde or o-hydroxynaphthaldehyde, D and K independently of each other are unsubstituted or substituted by C.sub.1-5 -alkyl, C.sub.1-4 -alkoxy, acylamino having 1 to 6 carbon atoms, benzoylamino, amino, monoalkylamino or dialkylamino each having 1 to 4 carbon atoms, phenylamino, alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy, radical, nitro, cyano, trifluoromethyl, halogen, sulfamoyl, carbamoyl, ureido, hydroxyl, C.sub.1-4 -alkylsulfonyl, carboxyl, sulfomethyl, phenylazo or naphthylazo, and D and K contain the --(CO).sub.0-1 --O-- and --[O or N(R)]-- adjacent to the --N.dbd.Y-- and R is hydrogen, C.sub.1-4 -alkyl or phenyl, Ka is a cation, X is acryloyl, monohalogenoacryloyl, dihalogenoacryloyl, trihalogenoacryloyl, monohalogenomethacryloyl, dihalogenomethacryloyl, trihalogenomethacryloyl, monohalogenopropionyl, dihalogenopropionyl, phenylsulfonylpropionyl, methylsulfonylpropionyl, vinylsulfonyl, .beta.-chloroethylsulfonyl, .beta.-sulfatoethylsulfonyl, monohalogenopyrimidyl, dihalogenopyrimidyl, trihalogenopyrimidyl, monohalogenotriazinyl, dihalogenotriazinyl, X is bonded to D, K or B, D and K, D and B or K and B directly or via ##STR2## or --CH.sub.2 --N(R)--, m is 1, 2 or 3 and n is 1 or 2. These chromium complexes are suitable for dyeing nitrogen-containing or hydroxy-containing materials and they produce level dyeings having good all-round fastness properties.
Abstract:
The present invention relates to a process for dyeing natural or synthetic polyamide fibre material from an aqueous liquor with dyes, in the presence of an alkali metal salt or an ammonium salt and in the presence of an assistant, which process comprises dyeing said fibre material with at least one sulfonated 1:1 metal complex dye or with a mixture containing at least one sulfonated 1:1 metal complex dye and at least one sulfonated metal-free dye, in the presence of 10 to 45 percent by weight of an alkali fluorosilicate or ammonium fluorosilicate or a mixture thereof, based on the amount of the 1:1 metal complex dye employed, and in the presence of an assistant at a pH value of 3 to 5.The process of the invention is suitable for dyeing natural or synthetic polyamide materials to give non-skittery and level dyeings of good fastness properties.
Abstract:
Metal complex dyes that produce level, fast dyeings on textile materials are provided according to the formula ##STR1## wherein: D is a benzene, naphthalene or heterocyclic radical of a diazo component;Y is nitrogen or --CH;K is the radical of a coupling component if Y is nitrogen, or an o-hydroxyaldehyde radical if Y is --CH;Ka is a cation;Me is chromium or cobalt;Z.sub.1 is --O-- or --COO-- ortho to N.dbd.YZ.sub.2 is --O-- or --NR vicinal to N.dbd.Y, wherein R is hydrogen or a C.sub.1 -C.sub.4 alkyl or phenyl radical;R.sub.1 is a direct bond or a C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkenyl, or aryl radical or heterocyclic radial containing 1 to 3 sulfur, oxygen or nitrogen atoms;R.sub.2 is hydrogen or C.sub.1 -C.sub.8 -alkyl or aryl radical;R.sub.3 is hydrogen or a C.sub.1 -C.sub.8 alkyl, aryl or amino radical, or a heterocyclic radical containing 1 to 3 sulfur, oxygen or nitrogen atoms;V is a direct bond or oxygen;Q is oxygen or sulfur; andw is 0 or 1.
Abstract translation:根据下式提供在纺织材料上产生水平,快速染色的金属络合染料,其中:D是重氮组分的苯,萘或杂环基; Y是氮或-CH; 如果Y是氮,K是偶联组分的基团,如果Y是-CH,则是邻羟基醛基; 嘉是阳离子; 我是铬或钴; Z 1是-O-或-COO-邻,N = Y Z2是-O-或-NR邻近于N = Y,其中R是氢或C1-C4烷基或苯基; R1是直接键或C1-C8-烷基,C1-C8-烯基或芳基或含有1至3个硫,氧或氮原子的杂环; R2是氢或C1-C8-烷基或芳基; R 3是氢或C 1 -C 8烷基,芳基或氨基,或含有1至3个硫,氧或氮原子的杂环基; V是直接键或氧; Q是氧或硫; w为0或1。
Abstract:
The invention relates to chromium complexes of the formula ##STR1## in which A is the radical of a dicyclically metallizable azo or azomethine dye, B is the radical of a potentially at least bidentate bianionic complexible organic compound which contains no azo or azomethine group, L is a colorless monofunctional ligand, X is a fibre-reactive radical, Ka is a cation, K is 0 or 1, m is 1, 2 or 3, n is 1 or 2, and the X radical and the SO.sub.3.sup..crclbar. Ka group are each bonded to the radicals A and B, to a process for preparing the chromium complexes of the formula (1), and to a combined preparation and dyeing process.
Abstract:
The invention relates to a process for dyeing natural or synthetic polyamide fibre material levelly from an aqueous liquor, with 1:1 metal complex dyes which contain sulfo groups, in the presence of an alkali metal salt or an ammonium salt and optionally in the presence of an assistant, which comprises carrying out dyeing in the presence of an alkali metal fluoride or ammonium fluoride, of an alkali metal fluorosilicate or ammonium fluorosilicate, or of an alkali metal fluoroborate or ammonium fluoroborate, at a pH in the range from 3 to 7.The process of this invention is suitable for dyeing natural or synthetic polyamide material in level shades of good fastness properties.
Abstract:
1:2 Cobalt complex dyes of azo compounds of the formula ##STR1## wherein D is a phenyl or naphthyl radical which is substituted by sulphonic acid groups, halogen atoms, alkyl, alkoxy, nitro, cyano, acylamino or arylazo groups or is unsubstituted, and R is a hydrogen atom, a sulpho group, a halogen atom or a methyl group, and wherein the total number of sulpho groups present is 1 to 3. The dyes are suitable for dyeing polyamide materials such as wool, silk, synthetic polyamides and leather, particularly the latter. The dyes give full brown shades of good covering power with excellent fastness to light.