- 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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- Disazo dyestuffs
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Disazo dyestuffs have been found which, in the form of the free acid, correspond to the formula (I) STR1 represents H or an optionally substituted aliphatic or aromatic radical and R1 to R6 and A have the meaning given in the description, which are outstandingly suitable for inkjet printing.
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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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- Aromatic azo sulfonylnitrene compounds
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Compounds of the structure SPC1 Wherein R and R1 are the same or different and are selected from the group consisting of hydrogen, halogen, and alkyl from one to four carbon atoms, inclusive, and R2 is a substance which inhibits thrombogenic or clotting activity of a material and is that portion of a substituted aromatic which couples with a diazonium salt.
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