摘要:
The present invention is related to a novel high fixation ink composition for digital textile printing, which comprises: (A) at least one reactive dye compound with two reactive groups in an amount of 1% to 50% by weight; (B) an organic buffer in an amount of 0.05% to 10% by weight; (C) a humectant in an amount of 10% to 50% by weight; and (D) a solvent in remaining amount. When the aforesaid ink composition is applied in digital textile printing, fixation rate of dye on fabrics is high.
摘要:
The invention relates to reactive dyes of general formula (1) [ ] wherein X1, X2, R, M, m and n have the meaning as defined in Claim 1. The invention also relates to a method for the production thereof and the use thereof to colour and print materials containing hydroxy and/or carbonamide groups.
摘要:
Dye mixtures, comprising at least one dye of formula (1) and at least one dye from the group of formulae (2) and (3) wherein Q1 is C1-C4alkyl, halogen or a radical -SO2-Z, Q2 and Q3 are each independently of the other C1-C4alkoxy, Q4 is C1-C4alkoxy, C1-C4alkyl, halogen or sulfo, Q5 is C1-C4alkoxy, C1-C4alkyl, C1-C4alkanoylamino, ureido, halogen or sulfo, R1, R2 and R3 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, 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, X1, X2 and X3 are each independently of the others halogen, 3-carboxypyridin-1-yl, 3- carbamoylpyridin-1-yl or a non-fibre-reactive substituent, and T1, T2 and T3 are each independently of the others a non-fibre-reactive substituent or a fibre- reactive radical of formula (4a): -NH-(CH2)2-3-SO2-Z, (4b): -NH-(CH2)2-3-O-(CH2)2-3-SO2-Z, (4c), (4d), (4e), (4f) or (4g),wherein (R4)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a radical -CH2-CH2-U and U is a group removable under alkaline conditions, Q is a group -CH(Hal)-CH2-Hal or -C(Hal)=CH2, 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.
摘要:
A fiber reactive dyestuff of the following formula (I)
wherein the definition of D, R, R 1 , R 2 , X and Z have the same meaning as given in the specification. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or fiber materials containing cellulose. Dyed material with various excellent properties in dyed color can be obtained, showing especially outstanding performance in the property of wash fastness, build-up and chlorine fastness.
摘要:
The invention relates to reactive azo dyes of general formula (1), wherein Y represents a heterocyclic reactive group of general formula (2) or (3), wherein X1 - X5 are defined as cited in Claim 1. The invention also relates to a method for the production thereof and the use thereof to dye and print material containing hydroxyl and/or carbonamide groups.
摘要:
Monoazo dyestuffs of the general formula (1) wherein Y is vinyl or is ethyl which is sbustituted in the β-position by a substituent which can be eliminated by the action of an alkyli, forming the vinyl group; M, X, are groups customary to dyestuffs, R1, R2 is hydrogen methyl, methoxy or sulfo; Q is cyanamido or is a group of the formula (a) or (b) wherein A, B, D is hydrogen, C¿1?-C6 alkyl, or C1-C6 alkyl which may be sustituted or is phenyl which may be substituted, or is alternately a group of the general formula (a) or (b) wherein is a cyclic ringsystem having a tertiary nitrogen or (b) is a cyclic having a quarternary nitrogen n is 0 if Q is a group of the formula (a) and n is 1 if Q is a group of formula (b); W- is halogenide or the equivalent of the divalent anionic group, methods for their preparation and use thereof for dyeing hydroxy- and/or carbosymido-containing fiber mateirial.
R 1 Halogen, C 1 -C 4 -Alkyl, C 1 -C 4 -Alkoxy, C 2 -C 4 -Alkanoylamino, α,β-Dihalogenpropionylamino oder α-Halogenacryloylamino bedeutet, X Halogen ist, n die Zahl 0, 1 oder 2 bedeutet, und V ein Rest der Formel ist, worin (R 2 ) 1 für I gleiche oder voneinander verschiedene Substituenten ausgewählt aus der Gruppe Halogen, Hydroxy, Nitro, Sulfo, C 1 -C 4 -Alkyl und C 1 -C 4 -Alkoxy steht, Y α,β-Dihalogenpropionylamino, α-Halogenacryloylamino oder ein Rest -CONH-(CH 2 ) 2-3 -SO 2 -Z ist und Z für Vinyl oder einen Rest -CH 2 CH 2 -U steht und U eine alkalisch abspaltbare Gruppe bedeutet, m die Zahl 0 oder 1 ist, und I für die Zahl 0, 1, 2 oder 3 steht, mit der Massgabe, dass R 1 kein α,β-Dihalogenpropionylamino oder α-Halogenacryloylamino bedeutet, falls V ein Rest der Formel (2) ist, worin Y die Bedeutung α,β-Dihalogenpropionylamino oder α-Halogenacryloylamino hat, eignen sich zum Färben oder Bedrucken von cellulosischen Fasermaterialien oder natürlichen oder synthetischen Polyamidfasermaterialien, bei hoher färberischer Ausbeute, und ergeben Färbungen und Drucke mit guten Echtheitseigenschaften.
摘要:
New water-soluble azo compounds produced from 2-hydroxynaphthalene-3,6-dicarboxylic acid or derivatives thereof and a diazonium salt having a sulfo group. These compounds are useful as starting material for dyes excellent in dyeing properties and fastness.