6535-70-2Relevant articles and documents
Monoazo compounds having vinylsulfone type fiber reactive group and method for dyeing or printing fiber materials using the same
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, (2008/06/13)
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.
New reactive dyes
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, (2008/06/13)
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.
