Abstract:
Reactive dyes of the formula (1) wherein B is an aliphatic bridging member, G is a sulfo naphthalene group or a sulfo benzene group of the formula (2a) or a pyridone radical of the formula (2b), R 1 , R 2 , R 3 and R 4 are each independently of the others hydrogen or unsubstituted or substituted C 1 -C 4 alkyl, (R 5 ) h denotes h identical or different substituents selected from the group sulfo, C 1 -C 4 alkyl and C 1 -C 4 alkoxy, R 6 is hydrogen, sulfo, halogen, carboxy, C 1 -C 4 alkyl, C 1 -C 4 alkoxy or a fibre-reactive group Z 1 of the formula -SO 2 -Y (3a), -NH-CO-(CH 2 ) l -SO 2 -Y (3b), -CONH-(CH 2 ) m -SO 2 -Y (3c), -NH-CO-CH(Hal)-CH 2 -Hal (3d) or -NH-CO-C(Hal)=CH 2 (3e), R 7 is amino, C 1 -C 4 alkyl or a fibre-reactive group Z 2 of the formula -NH-(CH 2 ) n -SO 2 -Y (3a), (R 8 ) j denotes j identical or different substituents selected from the group sulfo, C 2 -C 4 alkanoylamino, ureido, C 1 -C 4 alkyl and C 1 -C 4 alkoxy, R 9 is hydrogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy, R 10 is hydrogen or C 1 -C 4 alkyl, R 11 is hydrogen, cyano, carbamoyl or sulfomethyl, and R 12 is hydrogen, C 1 -C 4 alkyl, or phenyl which is unsubstituted or substituted by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkanoylamino, ureido, halogen or sulfo, X 1 and X 2 are halogen, Hal is chlorine or bromine, h and j are each independently of the other a number 0, 1 or 2; k is a number 1, 2 or 3; I, m and n are each independently of the other a number 2, 3 or 4, and Y is vinyl or a radical -CH 2 -CH 2 -U and U is a group removable under alkaline conditions, with the proviso that the dye of formula (1) contains at least one fibre-reactive group Z 1 or Z 2 are suitable for dyeing cellulosic or amide-group-containing fibre materials.
Abstract:
A dye mixture, comprising (A) a dye of the formula (1) wherein D is the radical of a carbocyclic or heterocyclic aromatic diazo component, R 1 and R 2 are each independently of the other hydrogen, C 1 -C 6 alkyl, C 1 -C 6 alkoxy, hydroxy-C 2 -C 6 alkoxy, C 2 -C 6 alkanoylamino, C 1 -C 6 alkylsulfonyl, carbamoyl, sulfamoyl, -SO 3 M or a fibre-reactive group, R 3 and R 4 are each independently of the otherhydrogen, C 1 -C 6 alkyl that is unsubstituted or substituted by hydroxy, sulfo, sulfato, cyano, carboxy, C 1 -C 6 alkoxy or phenyl, C 2 -C 6 alkanoyl, phenyl, sulfomethyl or a group of the formula (3d), Y is vinyl or a -CH 2 -CH 2 -U radical and U is a group that is removable under alkaline conditions, p is the number 2, 3 or 4, M is hydrogen, Li, Na, K, Mg, Ca or ammonium that is unsubstituted or mono-, di-, tri- or tetra substituted by C 1 -C 6 alkyl, C 2 -C 6 -hydroxyalkyl or mixtures thereof; and (B) at least one navy-blue dyeing dye, provides dyeings on wool with good allround properties and does not require alkaline after-treatment to remove non-fixed dye.
Abstract:
Dye mixtures, comprising at least one red dyeing dye of the formula (1) and at least one blue, yellow, orange or brown dyeing dye from the group of the formulae (2), (3), (4), (5) and (6), wherein B is an aliphatic bridging member, R 1 , R 3 and R 8 are each independently of the others hydrogen or C 1 -C 4 alkyl, R 2 , R 4 , R 5 , R 9 , R 11 , R 12 , R 13 , R 14 , R 15 and R 16 are each independently of the others hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy or sulfo, R 6 and R 10 are each independently of the other amino or C 1 -C 4 alkyl, (R 7 ) j denotes j identical or different substituents selected from the group C 2 -C 4 alkanoylamino, ureido, C 1 -C 4 alkyl and C 1 -C 4 alkoxy, (R 17 ) i denotes i identical or different substituents selected from the group C 2 -C 4 alkanoylamino, ureido, sulfo, C 1 -C 4 alkyl and C 1 -C 4 alkoxy, X 1 , X 2 , X 3 , X 4 , X 5 and X 6 are each independently of the others halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, Z 1 , Z 2 and Z 3 are each independently of the others a fibre-reactive group of the formula -SO 2 -Y 8 , (7a) or -NH-CO-(CH 2 ) 2-3 -SO 2 -Y 9 (7b), Y 1 , Y 2 , Y 3 , Y 4 , Y 5 , Y 6 , Y 7 , Y 8 and Y 9 are each independently of the others vinyl or a radical -CH 2 -CH 2 -U and U is a group removable under alkaline conditions, i, j, k and l are each independently of the other the number 0, 1 or 2, m is the number 1 or 2, n and u are each independently of the other the number 1, 2 or 3, p and q are each independently of the other the number 0 or 1, r and s are each independently of the other the number 0 or 1, and t is the number 0, 1 or 2, and the sum of r, s and t is 2 or 3 are suitable especially for the dichromatic or trichromatic dyeing or printing of cellulosic fibre materials and yield dyeings or prints having good reproducibility and good all-round fastness properties.
Abstract:
The present invention relates to the use of reactive colourless and metal-free protein cross-linking agents for the cross-linking (tanning) of protein-containing substrates, said agents are environmentally friendly and give an improved fixation yield, a long-term cross-linking (tanning) stability and good washing off properties. The present invention further relates to processes for the cross-linking (tanning) of protein-containing substrates thereby creating an environmentally friendly process which minimizes the use of chemicals and further improves the quality and efficiency of the tanning and dyeing process.
Abstract:
A dye mixture comprising at least one dye of formula (formula) and at least one dye of formula (formula), wherein R1 is hydrogen or C1-C4alkyl, R2 is hydrogen or C1-C4alkyl, C1-C4alkoxy or sulfo, Q1 is a fibre-reactive radical of formula -(CH2)2-3-SO2-Y2 (3a) or -(CH2)2-3-O-(CH2)2-3-SO2-Y3 (3b), Q2 has the meaning of Q1, or is hydrogen or C1-C4alkyl, X1 and X2 are each independently of the other halogen, 3- carboxypyridin-l-yl or 3-carbamoylpy rid in-1 -yl, Y1, Y2 and Y3 are each independently of the others vinyl or a radical - CH2-CH2-U and U is a group removable under alkaline conditions, Z1 and Z2 are each independently of the other -S02-Y, wherein Y is vinyl or a radical -CH2-CH2-U and U is a group removable under alkaline conditions, M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal, k and n are each independently of the other the number 0, 1 or 2, I and q are each independently of the other the number 0 or 1, m is the number 0 or 1, and wherein the diazo component of the dye of formula (1) and the diazo component of the dye of formula (2) each independently of the other are a benzene radical or a naphthyl radical, are suitable especially for the dyeing or printing of cellulosic fibre materials, exhibit a good build-up, a good fixation rate and good washing off properties of the unfixed dyes, and good all-round fastness properties.
Abstract:
Reactive dyes of the formula (1) in which Qi is hydrogen, halogen or a radical of the formula (2a) or (2b),R 1 , R 2 and R 3 independently of one another are hydrogen or C 1 -C 4 alkyl which is unsubstituted or substituted by hydroxyl, sulfo, carboxyl or sulfato, and R 1 in formula (1) and R 1 in formula (2a) have identical or different meanings and R 2 in formula (1) and R 2 in formula (2a) have identical or different meanings, (R 4 ) 0-1 and (R 5 ) 0-1 independently of one another are 0 or 1 identical or different substituents from the group consisting of C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen and sulfo, A is hydrogen or C 1 -C 4 alkyl which is unsubstituted or substituted by hydroxyl, sulfo, carboxyl or sulfato, phenyl which is unsubstituted or substituted by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkanoylamino, hydroxyl, carboxyl, carbamoyl, sulfo or halogen, phenyl-C 1 -C 2 alkylene which is unsubstituted or substituted in the phenyl ring by C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkanoylamino, hydroxyl, carboxyl, sulfo, carbamoyl or halogen, or C 5 -C 7 cycloalkyl which is unsubstituted or substituted by C 1 -C 4 alkyl, B is a C 2 -C 12 alkylene radical which can be interrupted by 1, 2 or 3 members from the group consisting of -NH-, -N(CH 3 )- or -O- and is unsubstituted or substituted by hydroxyl, sulfo, sulfato, cyano or carboxyl, a C 5 -C 7 cycloalkylene radical or C 1 -C 2 alkylene-C 5 -C 7 cycloalkylene radical which are unsubstituted or substituted in the cycloalkylring by C 1 C 4 alkyl,C 1 C 2 alkylenephenylene radical or phenylene radical which are unsubstituted or substituted in the phenyl ring by C 1 C 4 alkyl, C 1 C 4 alkoxy, C 2 -C 4 alkanoylamino, sulfo, halogen or carboxyl, V 1 and V 2 independently of one another are halogen, T is a radical of the formula -CO-(CH 2 ) m -SO 2 -Y (3a), -CO-CH(HaI)-CH 2 -HaI (3b) or -CO-C(HaI)=CH 2 (3c), Hal is halogen, X is hydroxyl or Y, Y is vinyl or a radical -CH 2 -CH 2 -U and U is a group which can be split off under alkaline conditions, and m is the number 2, 3 or 4. are suitable for dyeing widely varying fibre materials, in particular cellulosic fibre materials, and produce dyeings with good allround properties.
Abstract:
Reactive dyes of formula (I), wherein D is a radical of formulae (II, IV, VI) or (VII), R 1 is hydrogen, acetyl, sulfo, α,β-dibromopropionylamino, α-bromoacryloylamino, β-chloroethylsulfonylbutyrylamino, β-sulfatoethylsulfonylbutyrylamino or vinylsulfonylbutyrylamino, R 2 is methyl or methoxy, X is halogen, Y is vinyl or β-sulfatoethyl and Z is hydroxy, vinyl or β-sulfatoethyl, are suitable especially for dyeing cotton and yield dyeings having good all-round fastness properties.
Abstract:
A reactive dye of formula wherein M is hydrogen, an alkali metal or one equivalent of an alkaline earth metal, Z 1 is vinyl, β-sulfatoethyl or the radical -ΝΗΟΟ-(CΗ 2 ) 3 -CH 2 -CΗ 2 CΗ 2 CΙ; R 1 denotes H or sulfo; and R 2 is H, methyl, methoxy or sulfo, n is the number 3; Y is vinyl or a radical -CH 2 -CH 2 -U and U is -Cl or -OSO 3 H, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.
Abstract:
Dye mixtures comprising at least one reactive dye of the formula (1) together with at least one reactive dye of the formula (2), wherein one of the radicals A and B denotes NH 2 , and the other one of the radicals A and B denotes OH, D is a benzene or naphthalene radical, R 1 is hydrogen, hydroxy, sulfo, C 1 -C 4 alkyl or C 1 -C 4 alkoxy unsubstituted or substituted in the alkyl moiety by hydroxy or by sulfato, R 2 is hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkanoylamino or ureido, R 3 is C 1 -C 4 alkyl, (R 4 ) 0-2 denotes 0 to 2 identical or different substituents selected from the group C 1 -C 4 alkyl, C 1 -C 4 alkoxy or sulfo, X1is halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, Y 1 , Y 2 , Y 3 , Y 4 and Y 5 are each independently of the other vinyl or a radical -CH 2 CH 2 -U and U is a group removable under alkaline conditions, h, k, l, m and n are each independently of the other the number 0, 1 or 2, and p and q are each independently of the other the number 0 or 1, are suitable for dyeing and printing cellulosic or nitrogen-containing fibre materials.
Abstract:
Dye mixtures, comprising at least one dye of formula (1) and at least one dye from the group of formulae (2) and (3) wherein Q 1 is C 1 -C 4 alkyl, halogen or a radical -SO 2 -Z, Q 2 and Q 3 are each independently of the other C 1 -C 4 alkoxy, Q 4 is C 1 -C 4 alkoxy, C 1 -C 4 alkyl, halogen or sulfo, Q 5 is C 1 -C 4 alkoxy, C 1 -C 4 alkyl, C 1 -C 4 alkanoylamino, ureido, halogen or sulfo, R 1 , R 2 and R 3 are each independently of the others hydrogen or unsubstituted or substituted C 1 -C 4 alkyl, k and q are each independently of the other the number 0 or 1, n and p are each independently of the other the number 0, 1 or 2, m is the number 0, 1, 2 or 3, t is the number 1, 2 or 3, X 1 , X 2 and X 3 are each independently of the others halogen, 3-carboxypyridin-1-yl, 3- carbamoylpyridin-1-yl or a non-fibre-reactive substituent, and T 1 , T 2 and T 3 are each independently of the others a non-fibre-reactive substituent or a fibre- reactive radical of formula (4a): -NH-(CH 2 ) 2-3 -SO 2 -Z, (4b): -NH-(CH 2 ) 2-3 -O-(CH 2 ) 2-3 -SO 2 -Z, (4c), (4d), (4e), (4f) or (4g),wherein (R 4 ) 0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy and sulfo, Z is vinyl or a radical -CH 2 -CH 2 -U and U is a group removable under alkaline conditions, Q is a group -CH(Hal)-CH 2 -Hal or -C(Hal)=CH 2 , and Hal is halogen, are suitable especially for the dichromatic or trichromatic dyeing or printing of cellulosic fibre materials and yield dyeings or prints having good reproducibility and good all-round fastness properties.