摘要:
Disperse dyes suitable for dyeing textile material composed of polyester dyes of the formula ##STR1## in which D is the radical of a substituted or unsubstituted, homocyclic or heterocyclic diazo component belonging to the series comprising thienyl, thiazolyl, isothiazolyl, 1,2,4-thiadiazolyl, 1,3,4-thiadiazolyl, benzothiazolyl, benzoisothiazolyl, pyrazolyl, imidazolyl or phenyl,X is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, acylamino, halogen or a group of the formula -NH-CO-NHQ in which Q is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,Y is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkoxy,R is hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5-membered ring or 6-membered ring,B is a l inear or branched C.sub.2 -C.sub.6 -alkylene radical,W is halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy,Z is halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or nitro and m and n are each, 0, 1, 2 or 3.
摘要:
Disperse dyes containing a monoazo coupling component of the formula ##STR1## in which X is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, acylamino, halogen or a group of the formula --NH--CO--NHQ in which Q is hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl,Y is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkoxy,R is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5-membered or 6-membered ring,B is a linear or branched C.sub.2 -C.sub.6 alkylene radical,W is halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy,Z is halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or nitro andm and n are each 0, 1, 2 or 3.
摘要:
Cellulosic textile materials can be dyed with disperse dyes from supercritical CO.sub.2 by treating the textile materials with an auxiliary that promotes dye uptake, typically polyethylene glycol.
摘要:
A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified, cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula--O--CH.sub.2 --N
摘要:
There is described a novel modification of the dye of the formula ##STR1## which is characterized by the data given in claim 1. This novel modification is suitable in particular for dyeing wound packages of polyester materials under HT conditions, materials dyed in a golden-yellow shade being obtained.
摘要:
Monoazo compounds of the formula ##STR1## in which one of the two substituents R.sub.1 or R.sub.2 or both substituents are C.sub.3 -C.sub.8 -alkyl or a group of the formula ##STR2## in which R.sub.3 and R.sub.4 are independently of each other hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sub.5 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl and the other of the two substitutents R.sub.1 or R.sub.2, when the two are not C.sub.3 -C.sub.8 -alkyl or a group of the formula (1a), is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl, and KK is the radical of a coupling component which is free of water-solubilizing groups the two described. These compounds can be used as dyes for dyeing or printing for example polyester fibre materials.
摘要:
The present invention provides the new bis-stilbene compounds, which are useful as optical brighteners and correspond to the formulaR.sub.1 -- CH = CH -- X -- CH = CH -- R.sub.2in which X represents a diphenyl residue bound in positions 4 and 4' to the =CH-- groups; R.sub.1 and R.sub.2 independently of each other, each represents a monocyclic benzene residue, a diphenyl, naphthyl or pyridyl residue, and in which at least one of the cyclic systems R.sub.1, R.sub.2, X contains a possibly functionally modified sulphonic acid group, a sulphone group, a possibly functionally modified carboxylic acid group, a nitrile, hydroxyl, mercapto or methyl group.
摘要:
The dyes according to the invention consist of a chromophore and a radical which, on heating, forms an isocyanate or isothiocyanate group. The latter reacts with a suitable group in the environment. Dyeings of excellent thermomigration fastness are obtained. The disclosed dyes are of the formulae ##STR1## where F is the radical of an azo, anthraquinone or tricyanovinyl dye which is free of water-solubilizing groups,B and B' are each independently of the other a direct bond or a bridge member, selected from the group consisting of a straight-chain or branched alkylene group having 2 to 8 C atoms or one of the following groups ##STR2## where R is hydrogen or C.sub.1 -C.sub.6 alkyl, n is an integer from 1 to 8 and m is an integer from 2 to 4,Z is O or S,V is a group which at a temperature between 180.degree. and 240.degree. C. is eliminated as a radical HV, andV' is a direct bond which is cleaved at a temperature between 180.degree. and 240.degree. C. or is a group which at such temperature turns, by ring opening and cleavage of the bond V'-C, into a group V'H, with the provisos that in the azo dyes the diazo component is not aminobenzisothiazole and the coupling component is not N-(.beta.-phenylureidoethyl)-1-naphthylamine when the diazo component is 2,4-dinitro-6-bromoaniline.
摘要:
Disperse dyes of the formula ##STR1## in which X is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen, Y is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 alkoxy, R is hydrogen, C.sub.1 -C.sub.12 alkyl, C.sub.2 -C.sub.12 alkenyl or phenyl, or Y and R, together with the nitrogen atom and the two C atoms linking them, form a 5- or 6-ring, B is a straight-chain or branched C.sub.2 -C.sub.6 alkylene radical, Z is a bridge member of the formula ##STR2## or a direct bond and A is a radical of the formula ##STR3## which radicals are unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro are suitable in particular for dyeing textile material made of polyester fibers.