Abstract:
ARE LINKED THROUGH A DIVALENT BRIDGE MEMBER Z, IN WHICH FORMULAE R1, R2 AND R3 EACH REPRESENTS A HYDROGEN ATOM OR PREFERABLY A LOW-MOLECULAR ALKYL GROUP, WHICH MAY BE LINKED WITH THE RESIDUE A1 OR A2 IN THE ORTHO-POSITION TO THE GROUP -NR1R3 OR -NR2R4 TO FORM A RING; R4 REPRESENTS A LOW-MOLECULAR ALKYLENE GROUP; A1 AND A2 EACH REPRESENTS A BENZENE OR NAPHTHALENE RESIDUE. THE DYESTUFFS ARE SUITABLE FOR DYEING AND PRINTING MATERIALS OF ANIMAL ORIGIN, POLYAMIDE FIBERS, POLYURETHANES AND OTHER SUCH MATERIALS. THE DYESTUFFS EXHIBIT EXCELLENT LIGHT AND WET FASTNESS.
(D2-N=N-A2-N(-R2)-R4)-
(D1-N=N-A1(-N(-R1)(-R3))- (II) OR
DISAZO OR POLYAZO DYESTUFFS, IN WHICH TWO OF THE SAME OR DIFFERENT AZO DYESTUFF RESDUES OF THE GENERAL FORMULA
Abstract:
An ink jet textile printing ink composition according to the invention contains Li+, Na+, and a compound represented by the following formula (1):
Abstract:
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.
Abstract:
An ink jet textile printing ink composition according to the invention contains Li+, Na+, and a compound represented by the following formula (1):
Abstract:
Reactive dyes of formula (1) wherein R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, R2 is hydrogen; C1-C4alkyl; C1-C4alkoxy unsubstituted or substituted by sulfato, hydroxy or by C1-C4alkoxy; halogen; carboxy or sulfo, R3 is hydrogen; C1-C4alkyl; C1-C4alkoxy unsubstituted or substituted by sulfato, hydroxy or by C1-C4alkoxy; halogen; nitro; C2-C4alkanoylamino; ureido; carboxy or sulfo, (R4)k denotes k identical or different substituents selected from the group halogen, C1-C4-alkyl, C1-C4alkoxy, carboxy and sulfo, X is halogen and V is a radical of formula (2a), 2(b) wherein R5 is unsubstituted or substituted C1-C4alkyl, (R6)l denotes I identical or different substituents from the group C1-C4alkyl, C1-C4alkoxy and sulfo, and I is the number O, 1 or 2, Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)═CH2 group, Hal is halogen and k is the number O, 1 , 2 or 3, are suitable especially for dyeing cotton and yield dyeings having good allround fastness properties.
Abstract:
The invention relates to reactive dyes according to the given, defined general formula (I) wherein D1 and D2 , R and R*, in addition to M are defined as per claim 1. The invention also relates to a method for producing said dyes and to their use for dyeing or printing fibrous materials containing hydroxy and/or carbonamide groups
Abstract:
The present invention provides a disazo compound which in a free acid form is represented by the formula (1) and which has high ability to dye cellulosic fibers and attains efficient dyeing with satisfactory reproducibility; and a method of dyeing cellulosic fibers with the compound. Also provided are: a reactive dye composition comprising a compound represented by the formula (1) and a specific red reactive dye and/or a specific blue reactive dye; and a method of dyeing cellulosic fibers with the composition. In the formula, R1 and R3 each represents hydrogen atom or methoxy group; R2 and R4 each represents hydrogen atom, methyl group, acetylamino group, ureido group, etc.; and m is 2 or 3.