- Monoazo compounds having vinylsulfone type fiber reactive group and method for dyeing or printing fiber materials using the same
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A monoazo compound of the following formula, STR1 wherein D is phenylene or naphthylene; X is halogeno, pyridinio or STR2 B is --OR3, --SR4, STR3 in which R3, R4, R5 and R6 are each hydrogen, alkyl, phenyl, naphthyl or benzyl, r is 0 or 1, and E is O, SO, SO2, CH2 or NR8, in which R8 is hydrogen or C1 -C4 alkyl; R, R1, R2 and R7 are each hydrogen or alkyl; A1, A2 and A3 are each phenylene, naphthylene or alkylene; Z1, Z2 and Z3 are each --SO2 CH=CH2 or --SO2 CH2 CH2 Y, in which Y is a splittable group; and p is 0 or 1; which compound is useful for dyeing or printing fiber materials to obtain a product dyed or printed in a color superior in various fastness properties with superior build-up property.
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- Copper complexes of sulpho groups containing disazo dyestuffs
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The new disazo dyestuffs of the formula (I) STR1 in which the substituents and indices have the meaning given in the description, and salts thereof are outstandingly suitable for dyeing cellulose-containing materials and leather in blue shades having good wet- and light-fastnesses.
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- Copper complexes of 4-fluoro-5-chloropyrimidin-6-yl containing ractive mondazo dyes
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The reactive dyes of the formula STR1 in which the substituents and indices have the meaning given in the description, are outstandingly suitable for dyeing or printing naturally occurring or synthetic materials containing hydroxyl or amide groups.
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- New reactive dyes
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A reactive dye which in the free acid form has the formula: wherein:, A is the residue of a diazo component;, the -NRY group is attached to the naphthalene nucleus in the 6- or 7-position relative to the -OH group;, n is 0 or 1, the SO3H group, when n is 1, being attached to the 5-position or to whichever is free of the 6- and 7-positions;, R is optionally substituted alkyl or alkenyl containing up to 10 carbon atoms;, Q is H or optionally substituted alkyl or alkenyl containing up to 10 carbon atoms;, Z is an optionally substituted aryl group;, D is H, chloro, C1 4-alkoxy, SO3H or C1 4-alkyl;, B is OH or NR1R2; and, R1 and R1 are independently selected from H and optionally substituted alkyl or alkenyl containing up to 10 carbon atoms.
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- Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member
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A reactive dye of the formula STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxazine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, p is 1 or 2 and A is a radical of the formula STR2 in which: Y is chlorine, bromine, fluorine, --OH, --OSO3 H, --O-acyl, --CN, --COOH, --COO--C1 -C4 -alkyl, --CONH2 or --SO2 --Z, the group designated "alk" is a straight or branched polymethylene radical having 2 to 6 carbon atoms, V is STR3 hydrogen or C1 -C4 -alkyl which is unsubstituted or substituted by C1 -C2 -alkoxy, carboxyl, sulfo, halogen or hydroxy, Z is β-halogenoethyl, vinyl or β-acetoxyethyl, or A is a radical of the formulae STR4 in all of which R' is C1-6 -alkyl or hydrogen, Z is as defined above, o is 0 to 6, and m is 2 to 6.
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- Triazinyl reactive dyes containing additional fiber reactive groups bound through the sulfonylalkylaminoalkylamino bridge
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The invention relates to novel useful reactive dyes of the formula I STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxanine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, P is 1 or 2 and A is a radical of the formula STR2 in which: the groups designated "alk" are independently of each other straight or branched polymethylene radicals having 2 to 6 carbon atoms, and Z is β-halogenoethyl, vinyl, β-sulfatoethyl, β-thiosulfatoethyl or βacetoxyethyl.
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