Polyester fiber

Polyester fibers, particularly poly(ethylene terephthalate), is dyed in bright, fast shades with p,p'"-dihydroxytrisazo compounds.

Compounds of the formula ##SPC1## Wherein X is aliphatic, cycloaliphatic, aromatic, aralkyl, hetaryl, hetarylalkyl or hydrogen; Y is aliphatic, aromatic, aralkyl, --COOR.sub.1, --COR.sub.2, ##EQU1## --SO.sub.2 R.sub.2, ##EQU2## --CN, --NH.sub.2, --NO, --NO.sub.2 or hydrogen with the proviso that when...     

Compounds of the formula Wherein X is aliphatic, cycloaliphatic, aromatic, aralkyl, hetaryl, hetarylalkyl or hydrogen; Y is aliphatic, aromatic, aralkyl, --COOR.sub.1, --COR.sub.2, ##EQU1## --SO.sub.2 R.sub.2, ##EQU2## --CN, --NH.sub.2, --NO, --NO.sub.2 or hydrogen with the proviso that when Y is hydrogen,...     

Naphtholactam dyestuffs of the formula ##SPC1## Wherein A represents the remaining members of an aromatic ring system and R represents hydrogen, alkyl, aralkyl, cycloalkyl, alkyl, aryl or an alkylene radical bonded to the naphthalene ring in the 2-position, as well as thier preparation and their use...     

Dyestuff mixtures of at least two different dyestuffs of the general formula ##SPC1## In which X = cn, no.sub.2 or alkylsulphonyl Y = hydrogen, methyl, ethoxy or methoxy R.sub.1 = hydrogen or alkyl R.sub.2 = c.sub.1 -c.sub.4 -alkyl or an optionally substituted phenyl radical or phenylalkyl radical Ac...     

A process for dyeing a nitrogen-containing fiber, which comprises dyeing the fiber in a dye bath containing a halogenated hydrocarbon solvent, and a dye complex of an anionic dye with an amine of the formula: represents ##EQU1## wherein R.sub.1 represents a saturated or unsaturated hydrocarbon residue...     

The present invention provides new 1,4-distyryl-benzene derivatives corresponding to the formula ##SPC1## Wherein R represents alkyl with 1 to 8 carbon atoms which is optionally substituted by non-chromophoric radicals, phenyl which is optionally substituted by non-chromophoric radicals, alkenyl with...     

Anthraquinone dyestuffs of the formula ##SPC1## In which X.sub.1 and X.sub.2 denote an amino or hydroxyl group, Y denotes a bridge member, A denotes a heterocyclic radical ##SPC2## Which can optionally be substituted further by non-ionic substituents, Z denotes oxygen, sulphur or a sulphonyl, imino or...     

A method of producing novel polyester yarns, threads or fabrics in which a previously unstretched melt-spun yarn such as polyethylene terephthalate is stretched upon a stationary heated stretching pin of a diameter of 15-60mm. and a pin temperature of 60.degree.-105.degree.C., the yarn being drawn at...     

Phosphonocarboxylic acid esters of the formula ##EQU1## in which R, R.sub.1, R.sub.2, n and A have the meaning, given in the disclosure, and a process for their manufacture. The new compounds can be used as auxiliaries in dyeing and printing textile materials containing polyester fibres.

A mixture of at least two members selected from the group consisting of compounds represented by the formula, ##SPC1## Wherein Z represents hydrogen atom or methyl, ethyl, methoxy or ethoxy group, each R.sub.1 and R.sub.2 represents methyl or ethyl group, R.sub.3 represents methyl, ethyl or phenyl group...     

Azo dyestuffs containing at least one group of formula --X--CO--NR--SO.sub.2 aryl, wherein R is hydrogen alkyl or cycloalkyl and X is an oxygen or sulphur atom or a group of formula --NR.sub.1 --, wherein R.sub.1 is hydrogen alkyl or cycloalkyl. The dyestuffs dye polyester fibers in fast shades.

The present invention provides a method of dyeing with aqueous dispersed dyes which comprises using as dye carrier a composition comprising 30 to 60 parts by weight of diphenyl, 5 to 35 parts by weight of a phenyl toluene and 5 to 25 parts by weight of fluorene, provided the total of said parts by weight...     

The present invention relates to para-substituted-amino-.beta.,.beta.-dicyano- or .beta.-cyano-,.beta.-acyl-distyryl disperse dyes in which the benzene nuclei of the two styryl radicals are connected by a bridge member.

The present invention relates to a process for dyeing or printing organic substrates in the presence of lactone, the amount of which is sufficient to adjust the pH value of the dyeing or printing medium from a neutral or basic value to a value from 4.0 to 6.5.

Dyestuffs of the formula ##SPC1## R = alkyl, alkenyl, aralkyl, cycloalkyl or aryl and R.sub.1 = alkyl with at least 4 C atoms, alkenyl, aralkyl, cycloalkyl or aryl As well as their preparation and their use for the dyeing of preferably polyester fibers in yellow shades. The dyeings show good fastness...     

Compounds of the formula ##SPC1## Wherein X is aliphatic, cycloaliphatic, aromatic, aralkyl, hetaryl, hetarylalkyl or hydrogen; Y is aliphatic, aromatic, aralkyl, --COOR.sub.1, --COR.sub.2, ##EQU1## --SO.sub.2 R.sub.2, ##EQU2## --CN, --NH.sub.2, --NO, --NO.sub.2 or hydrogen with the proviso that when...     

A disperse dye of the formula, ##SPC1## Wherein X.sub.1 and X.sub.2 each are an amino or hydroxyl group, Y is a hydrogen or halogen atom, Z is an oxygen or sulfur atom or a direct linkage, R is a hydrogen or halogen atom or a lower alkyl or lower alkoxy group, n is an integer of from 1 to 4, and m is...     

Dyestuffs of the formula: ##SPC1## Wherein X and Y are hydrogen, halogen, cyano, nitro, alkyl, alkylsulfonyl or alkoxy and Z is hydrogen or an optionally substituted alkyl, alkenyl, cycloalkyl, aralkyl or aryl radical and the utility thereof in the dyeing and printing of synthetic hydrophobic materials.

Polyester fibers which are characterized by excellent dyeability are produced by spinning a polymer obtained by an ester interchange reaction of 60 to 95% by weight of a polyester, containing at least 95 mol % of ethylene terephthalate units, and 40 to 5% by weight of a polyester containing at least...     

A dyestuff composition comprising a dyestuff of the general formula (I): ##SPC1## in which R and R.sup.1 are selected from the group consisting of identical and different hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals; And at least one further dyestuff having a synergistic effect...     

Process for dyeing and printing synthetic fiber materials using compounds of the formula ##SPC1## In which R represents an optionally substituted phenyl radical, as well as special new dyestuffs within the above formula.

Polyester fibers are dyed level shades at above 100.degree. C with disperse dyes from an aqueous liquor containing emulsions of aliphatic alcohols of 8 to 12 carbon atoms.

Many textile fibers are dyed in dye baths requiring an acidic aqueous medium to give effective dyeing. Dyeing processes and dye baths are disclosed in which the aqueous acidic medium is controlled and the pH adjusted by the use of ammonium silicofluoride.

Textile drying process comprising continuously contacting a moving textile web, which is wet with a first fluorocarbon liquid having a textile agent dispersed therein, with the superheated vapors of a second fluorocarbon liquid, the superheated vapors being at a temperature such that no substantial amount...     

A process to color in blue to black shades aromatic polyester textile materials by dyeing, padding or printing an aqueous dispersion of a dyestuff mixture of three or four specific azo and anthraquinone disperse dyes.

A process to color aromatic polyester textiles navy blue to black by dyeing, padding or printing with an aqueous dispersion of mixtures of four specified azo and anthraquinone disperse dyes.

This invention relates to monoazo compounds of the formula I, ##STR1## in which R.sub.1 signifies a hydrogen atom, an alkyl radical or an unsubstituted or substituted phenyl radical, Each of R.sub.2 and R.sub.3 signifies a hydrogen atom, a cycloalkyl radical, an alkenyl radical or an unsubstituted or...     

A batchwise packaging dyeing method is disclosed wherein a loose stock of fiber is charged into a basket carrier of a high temperature, high pressure package dyeing machine. The loose stock of fiber is charged in such a manner that the change rate (a) is 10% or less and is defined as the difference between...     

N-Acyloyl-N'-alkyl-alkylenediamines of the formula ##STR1## are prepared by reacting N-alkyl alkylenediamines with a derivative of a di-carboxylic acid. The compounds and their salts are useful as levelling auxiliaries for the dyeing of polyacrylonitrile or polyester with basic dyestuffs. Advantageously,...     

Cationic dyestuffs of the formula ##STR1## WHEREIN R represents an alkyl, alkenyl, cycloalkyl, aralkyl, aryl or heteryl radical or an alkylene radical bonded to A or to a ring fusted with A, R.sub.1 represents hydrogen, an alkyl, aralkyl, aryl or heteryl or nitrile, R.sub.2 represents hydrogen, alkyl,...     

Compounds of the formula ##SPC1## In which R represents an alkyl, alkenyl, cycloalkyl or aralkyl radical, one X represents a nitro group and the other X represents hydrogen and their mixtures. They are very suitable for the dyeing of synthetic fibres, such as fibres of polyesters.

Dyestuffs of the formula: ##STR1## wherein R is A. ALKYL HAVING 3 TO 12 CARBON ATOMS; B. alkenyl having 2 to 4 carbon atoms; C. alkyl having 2 to 12 carbon atoms substituted by --O--(C.sub.n H.sub.2n O).sub.m --R.sub.1 wherein R.sub.1 is alkyl having 1 to 4 carbon atoms or alkenyl having 2 to 4 carbon...     

An anthraquinone dye of sparing aqueous solubility of the formula ##STR1## WHEREIN X represents oxygen or NH, Y represents alkylene having 1 to 4 carbon atoms which is optionally interrupted by oxygen, nitrogen or sulphur, Z represents oxygen or -NR.sub.1, in which R.sub.1 represents an alkyl having...     

This invention relates to a process of dyeing natural or synthetic polyamidic textile materials, textile materials composed of polyacrylic polymers, textile materials composed of polyester and textile materials composed of chlorinated hydrocarbons, in which the material is subjected to the action of...     

A new overall method of producing chlorinated or brominated compounds of 2-(haloaryl)-4,5-diamino chrysazines from chrysazine without the need for isolation of intermediates at any point during the reaction; and to the novel products produced thereby, which products are good blue dyes having excellent...     

The invention is directed to the dyeing and printing of synthetic fiber materials from an aqueous medium with partially known dyestuffs of the formula ##STR1## wherein Y = C.sub.3 -C.sub.10 -alkylene group, X = oxygen or sulphur, Q = aralkyl and Z.sub.1 and Z.sub.2 = hydrogen or halogen as well as new...     

Compounds are provided which have the formula: ##STR1## WHERE Ar.sup.1 and Ar.sup.2 are aromatic radicals and X and Y are 1 to 2 nitrogen atoms and conversely 3 to 2 carbon atoms which may have selected substitutes. Preferably, 2 adjacent carbon atoms (usually the 2 Y's) have a butadienyl or a substituted...     

Disclosed are compounds of formula I, ##STR1## in which R.sub.1 is C.sub.2-8 alkylene or C.sub.5-8 cycloalkylene, R.sub.2 is C.sub.5-8 cycloalkyl, unsubstituted or substituted by up to 3 methyl groups; or C.sub.1-8 alkyl, unsubstituted or substituted by a C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.1-4...     

Process for the coloration of aromatic polyester or cellulose triacetate textile materials which comprises applying to the said textile material by an aqueous dyeing, padding or printing process a disperse dyestuff which contains at least two carboxylic acid ester groups and subsequently giving the colored...     

The invention relates to water-insoluble anthraquinone dye-stuffs of the formula ##STR1## wherein A denotes an optionally substituted cycloalkylene group, n and m denote numbers from 0 to 4 and Z.sub.1 and Z.sub.2 denote hydrogen or halogen. The dyestuffs are outstandingly suitable for dyeing synthetic...     

A benzothiazole azo dyestuff containing a benzene coupling component which, para to the azo bridge, is substituted by a secondary or tertiary amine group containing one or two N-bonded --C.sub.2 H.sub.4 --CO--NHC(CH.sub.3).sub.2 CH.sub.2 COCH.sub.3 moieties. These dyestuffs are suitable for dyeing synthetic...     

1-Amino-4-hydroxy 2-p-alkoxy-benzenesulfonyloxy anthraquinone disperse dyestuffs have been prepared.

Disclosed are compounds of formula I ##STR1## WHERE R.sub.1 is a fused benzene or naphthalene nucleus, m is one or two and R.sub.2 and R.sub.3 have various significances, their production and use as pigments and disperse dyes.

A black dyestuff composition useful for heat transfer printing of polyester textile which is made up of a compatible mixture of a brown azo dye and a blue anthraquinone dye.

Disclosed is a textile fiber comprised of a poly(oxyethylene)-glycol modified poly(1,4-cyclohexylenedimethylene terephthalate) type polyester containing phosphorus, a stabilizer, an organic titanium compound, and optionally a manganous ion. The fiber exhibits an unobvious combination of commercially...     

A stable hydrosulfite composition particularly useful for treating a dyed or tinted textile is provided by a homogeneous particulate admixture of a hydrosulfite, a pH builder salt and a pH buffer salt, and either detergent or stabilizer, or both.

The invention is directed to new benzoxazole-styryls of the formula ##STR1## wherein the rings A, B, C and D can be substituted, as well as processes for their preparation. The invention relates also to a process for optically brightening high-molecular organic materials on using said compounds.

Polyester fibers are dyed with disperse dyes at temperatures above 100.degree. C. in an aqueous liquor containing, as leveling agents, emulsions of aliphatic esters, nitriles or ketones each containing from 7 to 16 carbon atoms, level shades being obtained.

A method for producing polyester fibers having excellent dyeability with basic dyes or disperse dyes, which comprises melt-spinning a polyester comprising predominantly (at least 80% by mol) repeating units of ethylene terephthalate and containing 0.5% by mol or more, preferably 1.5 to 5% by mol of an...     

The novel compounds of the formula 1 ##STR1## are dyes having a high dyeing power and a high heat and light stability. They may be used for dyeing synthetic resins, fibers, knitted goods and fabrics made of synthetic resins and of wool, for coloring stucco materials, inks and the like. The compounds...     

An arylaminoanthraquinone of the formula ##STR1## in which one X, in the 5- or 8-position, denote either the radical of the formula ##STR2## or a hydrogen atom, the other X denote hydrogen atoms, alkoxy groups with 1-4 C atoms, aryloxy, arylmercapto or acylamino groups, one Y denotes a nitro group and...     

Printing inks for the preparation of temporary supports for transfer printing on acid-modified textile fibre materials, containing (a) as a dyestuff intermediate a dyestuff base which can be sublimed at 160.degree.-240.degree. C, of the formula ##STR1## wherein R.sub.1 and R.sub.2 are alkyl, R.sub.3...     

Uniformly dyed water-swellable cellulosic fibers obtained by dyeing cellulosic fibers, in the swollen state, with a dye of the formula ##STR1## where D is a radical of a diazo component of the aniline, aminoazobenzene, aminophthalimide, aminonaphthalimide, anthraquinone or benzanthrone series, R is alkyl...     

Polycyclic compounds of the general formula I ##STR1## in which the nucleus A can be further substituted, Y is a hydrogen atom or an optionally substituted hydrocarbon radical, and R.sub.1 and R.sub.2 each denote hydrogen, aryl, aralkyl, cycloalkyl or an aliphatic radical, and R.sub.1 and R.sub.2 can...     

Printing inks for the production of auxiliary carriers for transfer printing on acid-modified textile fiber materials, characterized in that they contain at least (a) as a dyestuff intermediate, a carbinol base of cationic dyestuffs, which can be sublimed at 160.degree.-240.degree. C, of the formula...     

Acylamino quinophthalone compounds which are free from sulfonic acid groups and correspond to the formula ##STR1## in which R.sub.1 and R.sub.2 are hydrogen, halogen, acylamino or lower alkoxy with the proviso that one of the residues R.sub.1 and R.sub.2 denotes acylamino while the other residue stands...     

Bright greenish yellow dyes of excellent color value prepared by coupling a lower alkyl anthranilate into 1-phenyl-3-carbalkoxy-5-pyrazolone and having the formula: ##STR1## WHERE R and R.sub.1 are independently lower alkyl; X is hydrogen, halogen, nitro, hydroxy, lower alkyl or lower alkoxy; Y is hydrogen,...     

Dry heat-transfer process in which the vapor transfer of the dyestuff or dyestuffs is not carried out onto the partly finished textile material, but onto the web or warp of yarns before they enter the machine where the yarns will be, for example, weaved, knitted or assembled and attached to a base to...     

This invention concerns optically brightened polyester materials and, in particular, formed polyester articles such as fibers containing certain 2,5-bis(p-carboalkoxystyryl)oxadiazole compounds such as 2,5-bis(4'-carbomethoxystyryl)-1,3,4-oxadiazole. These compounds impart exceptional brightness to the...     

The invention relates to water-insoluble quinophthalone dyestuffs of the formula ##STR1## in which T represents W--Ar or ##STR2## and Ar denotes aryl, W denotes oxygen, sulphur or N--R, R denotes hydrogen or alkyl, A denotes alkylene, O R.sub.1 denotes alkyl or aryl, R.sub.2 denotes hydrogen or alkyl,...     

Process for dyeing hydrophobic fibre materials, preferably polyester fibres, using dyestuffs of the formula ##STR1## wherein THE AROMATIC RINGS A and B can be further substituted, The azo group is in the meta-position or para-position relative to the amino group of the diphenylamine and the phenolic...     

Substituted 2,6-dioxo-2,6-dihydrobenzo[1:2-b, 4:5-b.sup.1 ]difurans or -dipyrroles and processes for their manufacture. The compounds are dyestuffs which are particularly useful in the form of aqueous dispersions for application to polyester textile materials.

A novel cyanotriphenodioxazine compound is disclosed which is represented by the following formula: ##STR1## wherein X represents cyano or halogen, R.sup.1 represents C.sub.1 -C.sub.4 alkylene and R.sup.2 represents C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4...     

Fibers are dyed by applying an aqueous dyeing formulation to the fibers, cooling them and condensing halogenated hydrocarbon vapors upon the cool, wet fibers. Residual halogenated hydrocarbon is removed by exposing the fibers to heat.

A process for the transfer color printing of synthetic textile materials wherein the dyestuff used is a 1-amino-4-anilinoanthraquinone having one or two ortho substituents in the anilino group. The anthraquinone nucleus may be further substituted in the 2- and/or 3-position, preferably by an electron-withdrawing...     

A process for the transfer color printing of synthetic textile materials which comprises placing a transfer material which carries a colored pattern derived from one or more disperse dyestuffs each containing at least one carboxylic acid group in contact with a synthetic textile material and heating...     

Mixtures of optical brighteners containing 0.05 to 1% of a 4-benzoxazolystilbene derivative and 1 to 0.05% of a 1,4-bis-benzoxazolyl- or bis-benzthiazolyl-naphthalene derivative. These mixtures show a higher degree of whiteness than an equal amount of only one of the two components.

Dyestuffs of the formula ##STR1## WHEREIN R.sub.1 denotes halogen, alkyl, cycloalkyl, aralkyl, nitro, cyano, acyl, acylamino, amino, aminocarbonyl, aminosulphonyl, alkylsulphonyl, arylsulphonyl, alkoxy, aryloxy, aralkoxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl or aralkoxycarbonyl or arylazo, R.sub.2...     

Process for the coloration of polyester or cellulose-triacetate textile materials, or polyester/cellulose unions, with disperse anthraquinone dyestuffs containing an alkoxycarbonylalkoxy group and giving a subsequent alkaline rinse.

The invention relates to compounds of the formula ##STR1## WHEREIN Z denotes OH or NR.sup.1 R.sup.2, R.sup.1 denotes hydrogen, alkyl, aralkyl, cycloalkyl or aryl, R.sup.2 denotes hydrogen or alkyl or, conjointly with R.sup.1, forms an alkylene chain. The dyestuffs are outstanding suitable for the dyeing...     

Process for the continuous coloration of aromatic polyester or cellulose triacetate textile materials and of unions of aromatic polyester with cellulose, by applying to the textile material for the polyester or triacetate a disperse azo dyestuff containing a single carboxylic acid ester group and at...     

A process for continuous dyeing or printing, wherein a textile matrial is impregnated or printed with an emulsion of water and a halogenated aliphatic hydrocarbon containing at least one dyestuff, at least one of the phases of the emulsion containing a thickener of high molecular weight, and the dyestuff...     

The present invention relates to para-substituted-amino-.beta.,.beta.-dicyano styryl disperse dye compounds having an acyloxy group in an ortho position to the methine group.

Water-soluble polyester having an apparent molecular weight between about 600 and about 5,000 and a SO.sub.3 M group content between about 5 to about 40 mol percent based on the number of mols of dicarboxylic and/or polycarboxylic acids esterified in the polyester, and an at least trifunctional alcohol...     

In spite of their pigment character, dyestuffs of the formula ##STR1## are outstandingly suitable for dyeing synthetic fibres, in particular polyester fibres, by customary methods, strong yellow dyeings with good fastness to light and sublimation being obtained. In the abovementioned formula: R.sub.1...     

Disclosed is copolyester material dyed with at least one azo or anthraquinone type dye, said copolyester material having an inherent viscosity of at least 0.4 and containing in copolymerized form from about 0.3 to about 5.0% by weight of one or more of the stabilizing moieties having the general formula...     

A liquid composition suitable for the domestic dyeing of polyester fabrics which comprises a liquid disperse dye, a diffusion accelerant, an anionic or non-ionic emulsifying agent and a compatible textile lubricant.

Including an aminophosphonate and a hydroxyphosphonate in an aqueous bath in which a textile material is dyed with a water-insoluble (e.g. disperse) dye results in improved dyeing (uniformity, water-fastness, etc.) and, in dyeing of polyester fiber, eliminates the need for use of a swelling agent.

Navy dye mixtures which contain, as essential components, compounds of the general formula I ##STR1## where X is chlorine or bromine, Y is methoxy or ethoxy, and R is ##STR2## NHC.sub.2 H.sub.4 CN, NHCH.sub.2 CH.dbd.CH.sub.2 or N(C.sub.2 H.sub.4 OCOCH.sub.3).sub.2, and wherein the dye of the above formula...     

The present invention is concerned with modifying the crystal form of the anthraquinone of the formula ##STR1## so as to render it more suitable for disperse dyeing and to improve its performance in thermosol dyeing. The modification is effected by heating the dyestuff at elevated temperatures, preferably...     

Navy dye mixtures which contain, as essential components, compounds of the general formula I ##STR1## in the following amounts, based on the total weight of the mixture: PRETEXTREPLACED The novel mixtures are very useful for dyeing synthetic polyesters.

Navy mixtures which contain dyes of the formula I ##STR1## where X is chlorine or bromine, Y is hydrogen, methoxy or ethoxy and R is N(C.sub.2 H.sub.5).sub.2, N(CH.sub.2 CH.dbd.CH.sub.2).sub.2 or N(C.sub.2 H.sub.4 OCOCH.sub.3).sub.2, the mixtures being composed of 10-70% of dyes with Y.dbd.H and R=N(C.sub.2...     

A process is described for dyeing a disperse dyeable material such as a textile or film, comprising the steps of: forming a latent magnetic image in a magnetic imaging member comprising a ferromagnetic material on an electrically conductive support; developing the magnetic image by applying thereto a...     

A process is described for dyeing a textile material, comprising the steps of: forming a latent magnetic image in a magnetic imaging member comprising a ferromagnetic material on an electrically conductive support; developing the magnetic image by applying thereto a ferromagnetic toner comprising a ferromagnetic...     

A process is described for printing dyes onto textile material comprising the steps of forming a latent magnetic image in a magnetic imaging member comprising a ferromagnetic material on an electrically conductive support; developing the magnetic image by applying thereto a ferromagnetic toner comprising...     

A process is described for dyeing a disperse dyeable material such as a textile or film comprising the steps of forming an image comprising a dye component which is substantially sublimable at from about 160.degree. to 215.degree. C., on a film of a thermally stable resin which is permeable to said dye...     

Azo compounds of the formula ##STR1## wherein R.sub.1 is alkyl, alkenyl, aralkyl, aryl or hetaryl, R.sub.2 is hydrogen or alkyl, R.sub.3 is hydrogen, alkyl, halogen, OR.sub.1 etc. R.sub.4 is hydrogen, alkyl, aralkyl, aryl or cycloalkyl, R.sub.5 is hydrogen, alkyl, alkenyl or aralkyl, Y is cyano, halogen,...     

Navy dye mixtures essentially contain dyes of the formula I ##STR1## where X is hydrogen, chlorine or bromine, the radicals R.sup.1 independently of one another are each methyl or ethyl and R is a radical of the formula ##STR2## where A is ##STR3## B is unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl,...     

A process for producing modified polyester products by the graft polymerization of vinyl monomers having an acidic group and replacing the acidic group with an alkali metal salt, the replacing being carried out after dyeing. By this process, decrease in strength and color fastness of polyester fibers...     

Dye compositions for dyeing polyester fibers comprise at least one disazo dye represented by the formula (I): ##STR1## wherein X represents a hydrogen atom, a chlorine atom, a nitro group or a trifluoromethyl group; Y represents a cyano group, an alkoxycarbonyl group or a carbamoyl group; Z represents...     

The invention relates to a method of dyeing or printing a textile substrate with disperse dyes, using as a dyeing assistant the product of polyesterifying an aliphatic polyol or etherpolyol or a disaccharide with benzoic acid or substituted benzoic acid.

In the printing of dyes onto substrates, the pretreatment of the substrates with low levels of calcium or sodium salts or other gelling/insolubilizing agents effectively reduces dye usage.

Dyestuff mixtures of (a) an anthraquinone dyestuff of the formula ##STR1## (b) a preferably blue azo dyestuff of the formula ##STR2## wherein R.sub.1 =H or halogen, R.sub.2 =alkyl, R.sub.3 =H or alkoxy, and R.sub.4 and R.sub.5 =alkyl or alkenyl, and (c), optionally, shading dyestuffs are particularly...     

A monoazo compound of the formula, ##STR1## wherein X is hydrogen atom or lower alkyl group; Z is hydrogen atom, halogen atom, alkyl group, acylamino group, benzoylamino group or alkylsulfonylamino group; R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently are hydrogen atom or alkyl group, provided that...     

The mixture of monoazo dyestuffs containing at least different individual dyestuffs of the formula ##STR1## wherein R.sup.1 is alkyl of 1 to 6 carbon atoms, cyclopentyl, cyclohexyl, fluoro, chloro, bromo, alkoxy of 1 to 4 carbon atoms or trifluoromethyl, R.sup.2 is alkyl of 1 to 3 carbon atoms and R.sup.3...     

Textile products comprising a cellulosic substrate are colored with two or more dyes which differ in their respective resistance to chlorine bleaches. The initial color of the textile is determined by the combined effect of the dyes. Thereafter, textile products which may be in the form of garments,...     

Fugitive colorants having the general formula: A--N.dbd.N--B--[(C)H].sub.n wherein A is thiophene or a thiophene derivative, N is nitrogen, B is a nitrogen containing organic dyestuff coupling component, C is a polymer chain bound to nitrogen in the dyestuff coupling component; said polymer chain being...     

Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are unsubstituted or substituted phenyl or naphthyl, and R.sub.3 and R.sub.4 are alkyl, alkoxycarbonyl, phenyl, benzoyl or benszl, are suitable for dyeing high molecular weight organic material.

Mixtures comprising 75 to 99% by weight of a dye of formula ##STR1## wherein X is hydrogen, chlorine, bromine or methyl, and KK is the radical of a coupling component that does not contain water solubilizing groups, and 1 to 25% by weight of a dye of formula ##STR2## wherein X and KK have the given meanings...