Abstract: Dyed and finished products of cellulose fiber materials superior in fastness properties are obtained without change in color shade by finishing dyed products with a fixing agent or/and a finishing agent capable of bonding with cellulose through a bridge formation, the dyed products being obtained by dyeing cellulose fiber materials with a dye represented by the following formula in the free acid form, ##STR1## wherein A is phenylene or naphthylene, B is alkyl, alkenyl, phenyl, naphthyl or heterocyclic group, Me is metal ion, X is --O-- or ##STR2## Y is alkoxy, phenoxy or amino, Z is sulfo or the like water-solubility-imparting group, m and n are each 0 or an integer of 1 to 3, provided that the sum is 1 to 3, D is phenylene or naphthylene, Q is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 L in which L is splittable group by the action of an alkali and R is hydrogen or alkyl.

Abstract: An aqueous liquid composition containing a reactive dye of the following formulaD--SO.sub.2 X).sub.nwherein D is an organic dye residue having 1 to 3 sulfonic acid grups, X is a group of --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Y in which Y is a splittable group by the action of an alkali, and n is a number of 1 or 2, in an amount of 5 to 50% by weight based on the weight of the composition, which composition is improved in storage stability at a low temperature, is produced by preparing an undemimeralized agueous solution of the dye of the above formula, dissolving at least one additive selected from lactams and aminoalcohols in the solution, controlling the resulting solution to a temperature of -10.degree. C. to 5.degree. C. to crystallized inorganic salts contained therein, and separating the crystallized inorganic salts, the said additive being used in an amount of 0.1 to 20% by weight based on the weight of the composition.

Abstract: An aqueous liquid dye composition comprising 10 to 50% by weight of a fiber-reactive copper phthalocyanine dye represented by the following formula (I) in the form of a free acid, ##STR1## wherein Y is a group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by the action of an alkali, and m and n are independently a number of 1 to 3, provided that they satisfy the following formula, 2<m+n.ltoreq.4, 0.1 to 20% by weight of at least one cyclic imide selected from .epsilon.-caprolactam and N-methylpyrrolidones and the balance of water, which is chemically and physically stable, even when stored for a long period of time at ambient temperature or stored at a relatively high temperature such as 50.degree. to 80.degree. C.

Abstract: An aqueous liquid dye composition comprising a dye represented by the following formula in a free acid form, ##STR1## wherein Y is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 X in which X is a group splittable by the action of an alkali, and a pH buffer, the dye being in the form of a lithium salt, and the liquid dye composition having a pH value of from 3 through 7 and a dye content of from 5 through 50% by weight based on the weight of the liquid dye composition, which can be stored stably for a long period of time even at a low temperature such as 0.degree. C. or lower, and a high temperature such as 40.degree. C. or higher.

Abstract: An aqueous liquid dye composition comprising 5 to 50% by weight of a reactive dye represented by the following formula, ##STR1## wherein D denotes a sulfo group-containing organic dye residue, R.sub.1 and R.sub.2 independently of one another denote a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group unsubstituted or substituted with a halogen atom or a hydroxyl, cyano, C.sub.1 to C.sub.4 alkoxy, carboxy, carbamoyl, C.sub.1 to C.sub.4 alkoxycarbonyl, C.sub.1 to C.sub.4 alkylcarbonyloxy, sulfo or sulfamoyl group, A denotes a phenylene group unsubstituted or substituted with one or two members selected from methyl, ethyl, methoxy, ethoxy, chlorine, bromine and sulfo, or a naphthylene group unsubstituted or substituted with one sulfo group, X denotes a halogen atom, and Y is a group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z in which Z is a splittable group by the action of an alkali, 0.1 to 10% by weight of .epsilon.

Abstract: An aqueous liquid composition comprising at least one dye represented by the following formula in a free acid form,D--(SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H).sub.nwherein D is an organic dye residue having 1 to 3 sulfo groups, and n is 1 or 2, in an amount of 5 to 50% by weight, a buffer in an amount of not less than 0.1% by weight but less than 1% by weight, and a substance inert to the above dye in an amount of 0 to 10% by weight, the balance being water, and a pH value of the aqueous liquid composition ranging from 2.5 to 5.5, whcih can be stored for a long period of time even at low and high temperatures without physical and chemical changes.

Abstract: A reactive blue dye composition, which comprises a phthalocyanine dye represented by a free acid of the following formula (I), ##STR1## wherein CuPc is a copper phthalocyanine nucleus, W is a C.sub.2 -C.sub.4 alkylene group or a 1,3- or 1,4-phenylene group having one or two sulfo groups, R.sub.1 and R.sub.2 are independently a hydrogen atom or a lower alkyl group, 1 is a number of 1 to 3, m is a number of 0 to 2, and n is a number of 1 to 3, provided that the total number of 1, m and n is 4 or less, and a phthalocyanine dye represented by a free acid of the following formula (II), ##STR2## wherein CuPc, 1, m and n are as defined above, Y.sub.1 and Y.sub.2 are independently a hydrogen atom or a methyl, methoxy or sulfo group, R.sub.3 is a hydrogen atom or a lower alkyl group, and Q is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.

Abstract: An aqueous liquid dye composition improved in storage stability, which comprises a bifunctional reactive dye of the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfonic acid group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an substituted or substituted phenylene or naphthylene group, X is a halogen atom, and Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a splittable group by an alkali, in an amount of 5 to 50% by weight based on the weight of the liquid dye composition, the liquid dye composition having a pH value of from 3 to 7.

Abstract: A water-insoluble disperse dye composition comprising a combination of a dye represented by the following formula (I), ##STR1## wherein X is hydrogen, halogen, lower alkyl or lower alkoxy, in an amount of 95 to 20% by weight, and a dye represented by the following formula (II), ##STR2## wherein Z, Y.sub.1 and Y.sub.2 are independently hydrogen or halogen, and the ring A is a benzene or naphthalene ring unsubstituted or substituted with a carboxylic acid ester group, in an amount of 5 to 80% by weight, which is useful for dyeing polyester fiber materials to obtain dyed products having both extremely high light fastness and excellent thermal resistance.

Abstract: A method for dyeing polyester fiber materials is disclosed, comprising conducting combination dyeing by a combination of disperse dyes each capable of making up for the color fading of other disperse dye produced upon exposure to sunlight, by the color change thereof in hue caused upon the exposure to sunlight under the same condition.

Abstract: A blended fiber material of cellulose fiber and nitrogen-containing fiber is dyed by a one-bath one-step dyeing method, which comprises contacting the material with a dye bath containing both a reactive dye having two or more fiber-reactive groups different from each other and a reactive dye having one fiber reactive dye, whereby a dyed product having an excellent wet fastness is obtained even in a single manner.

Abstract: Cellulose fiber materials are dyed with a dye represented by a free acid of the formula, ##STR1## wherein W.sub.1 and W.sub.2 are independently a direct linkage or a bridging group, Q.sub.1 and Q.sub.2 are independently a fiber-reactive group, A.sub.1 and A.sub.2 are independently a phenylene or naphthylene group unsubstituted or substituted, D is a residue of 1-amino-8-naphthol mono- or di-sulfonic acid, m and n are independently 0, 1 or 2, provided that they satisfy the formula, 0<m+n.ltoreq.2, and each sulfo group appended to A.sub.1 and A.sub.2 is located at the carbon atom adjacent to the azo group, and then finished with a finishing agent capable of bonding with cellulose through a bridge formation, thereby obtaining dyed and finished products excellent in anticrease and shrinkproofing properties as well as various fastness properties such as light fastness, perspiration light fastness and chlorine fastness without any color change.

Abstract: A reactive dye composition comprising at least one alkylnaphthalenesulfonic acid/formaldehyde condensate and a compound represented by the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfo group, R.sub.1 and R.sub.2 are independently a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group unsubstituted or substituted with a halogen atom or a hydroxy, cyano, alkoxy, carboxy, carbamoyl, alkoxycarbonyl, alkylcarbonyloxy, sulfo or sulfamoyl group, A is a phenylene group unsubstituted or substituted with one or two substituents selected from chlorine and bromine atoms and methyl, ethyl, methoxy, ethoxy and sulfo groups, or a naphthylene group unsubstituted or substituted with one sulfo group, X is a halogen atom, and Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.

Abstract: A hydrophobic fiber material is dyed in a dye bath containing at least nine disperse dyes having different chemical structures from one another within a short period of time with a good levelness.

Abstract: 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 or a phenyl group substituted by methyl, ethyl, methoxy or ethoxy group. The mixture is useful for dyeing hydrophobic fibers such as polyester fibers, and has good dyeabilities, particularly, build-up property.