摘要:
Disclosed are cationic dyestuffs being coumarin or coumarinimide derivatives free from sulpho groups, bearing a 7-amino group and being characterized by having, in the 3-position, a cationic group of formula (a), ##STR1## in which A.sup..crclbar. signifies an anion,eitherR.sub.5 .degree. signifies hydrogen or optionally substituted alkyl or cycloalkyl, andR.sub.6 .degree. signifies hydrogen, or optionally substituted alkyl or cycloalkyl, or, where R.sub.5 .degree. is hydrogen, also hydroxy, naphthyl, optionally substituted amino or alkoxy, or phenyl monosubstituted by phenoxy, chlorophenoxy,benzyl, amino or C.sub.1 -C.sub.4 alkylamino,orR.sub.5 .degree. and R.sub.6 .degree., together with the nitrogen to which they are attached, signify a non-aromatic heterocycle,and the dotted line indicates that the positive charge is not localized, their productionand use for dyeing and printing basic dyeable substrates, plastics and paper, particularly acid modified polyester substrates. They give dyeings of yellow to greenish yellow which fluoresce in the yellow to greenish yellow band.
摘要:
Compositions comprising(a) 30-70% by weight of one or more compounds of the formula ##STR1## wherein each R.sub.1 is independently C.sub.2-4 alkyl, and R.sub.3 is methyl or ethyl; and(b) 30-70% by weight of one or more compounds of the formula ##STR2## wherein R.sub.4 is chloro, bromo or iodo each R.sub.5 is independently C.sub.2-4 alkyl, and R.sub.6 is methyl or ethyl are useful for dyeing substrates comprising a synthetic or semi-synthetic hydrophobic organic material, e.g., polyester, by, for example, the rapid dyeing process.
摘要:
Basic dyes free from sulfo groups of the formula ##STR1## in which Q signifies an unsubstituted or substituted phenyl or naphthyl radical,R.sub.1 and R.sub.2 signify hydrogen, unsubstituted or substituted alkyl, phenyl or cycloalkyl,R.sub.3 signifies hydrogen, unsubstituted or substituted alkyl or phenyl,the Z containing group signifies a heterocyclic diazo radical containing a quaternary ammonium group,R.sub.4 signifies unsubstituted or substituted alkyl, alkenyl, cycloalkyl or alkoxy,x signifies 1 to 3,A.crclbar. signifies an anion, andD signifies an unsubstituted or substituted phenylene or naphthylene radical are useful for dyeing and printing homo- and co-polymers of acrylonitrile and asymmetrical dicyanoethylene and synthetic polyamides and polyesters modified to contain acid groups. The obtained dyeings are level and fast to light and wet treatments.
摘要:
Disclosed is a process for imparting coloration of good light fastness to a substrate comprising or consisting of homo- and co-polymers of acrylonitrile or of dicyanoethylene, or acid modified synthetic polyamide or polyester, which process comprises mass dyeing, dyeing or printing such substrate, employing, as dyestuff, a compound or mixture of compounds of formula I, ##STR1## wherein either R is hydrogen, or a straight or branched chain C.sub.1--8 alkyl radical, unsubstituted or mono-substituted by OH, CN, Cl, Br, CONH.sub.2, C.sub.1--4 -alkoxy, phenyl, phenoxy, --O--CO--R.sub.5 or --CO--O--R.sub.5,and R.sub.1 is a straight or branched chain C.sub.1--8 alkyl radical, unsubstituted or mono-substituted by OH, CN, Cl, Br, --CONH.sub.2, C.sub.1--4 alkoxy, phenyl, phenoxy, --O--CO--R.sub.5 or --CO--O--R.sub.5 ; or phenyl, unsubstituted or monosubstituted by halogen, C.sub.1--4 alkyl or C.sub.1--4 alkoxy,or R and R.sub.1, together with the nitrogen atom to which they are attached, form a morpholine, piperidine, pyrrolidine, piperazine or N--C.sub.1--4 alkyl-piperazine ring,R.sub.2 is hydrogen or a straight or branched chain C.sub.1--8 alkyl radical, unsubstituted or mono-substituted by OH, CN, Cl, Br, --CONH.sub.2 or --COOR.sub.5,each R.sub.3, independently, is hydrogen or unsubstituted C.sub.1--4 alkyl,each R.sub.4, independently, is hydrogen, unsubstituted C.sub.1--4 alkyl or unsubstituted phenyl,R.sub.5 is unsubstituted C.sub.1--4 alkyl or unsubstituted phenyl, andA.sup..crclbar. is an anion,with the proviso that any substituted alkyl as R, R.sub.1 or R.sub.2 is of at least 2 carbon atoms.
摘要:
A compound of the formula I ##STR1## in which D is a diazo component,K is an aromatic group of formula a, b or c, ##STR2## Y is C.sub.2-3 alkylene and the remaining symbols are as defined in the specification. These compounds are useful for dyeing or printing textile substrates based on synthetic or semisynthetic, hydrophobic, high molecular weight organic materials. Preferably, the textile substrate is made from a linear aromatic polyester, cellulose 21/2 acetate or cellulose tri-acetate. The dyeings and prints obtained show good all round fastness properties such as good thermomigration properties, lightfastness, thermofixation, blistering properties as well as good wet fastness properties, especially after thermal fixation.
摘要:
Compounds of the formula ##STR1## and mixtures thereof, wherien p1 R.sub.1 is hydrogen, chloro or bromo, p1 R.sub.2 is hydrogen, chloro, bromo or nitro, p1 R.sub.3 is hydrogen, chloro, bromo, nitro or --SCN, p1 R.sub.4 is hydrogen, chloro or bromo, p1 R.sub.5 is hydrogen or C.sub.1-4 alkyl, and p1 R.sub.5 is C.sub.8-14 alkyl,with the provisos that (i) at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is other than hydrogen, (ii) when R.sub.3 is nitro or --SCN, R.sub.2 is other than nitro, and (iii) when two or more of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are halo, then R.sub.3 is one of those halos, are useful as disperse dyes for dyeing substrates such as synthetic and semi-synthetic, hydrophobic, high molecular weight organic materials.
摘要:
Compounds of the formula ##STR1## in which R.sub.1 signifies a substituted thiazole, thiadiazole, isothiazole, oxadiazole or thiophene radical,R.sub.2 signifies hydrogen or an optionally substituted hydrocarbon radical,R.sub.3 signifies hydrogen or an optionally substituted alkyl radical,R.sub.4 signifies hydrogen or an alkyl radical which is unsubstituted or substituted by an aryl radical,K.sup..sym. signifies an ammonium, cycloimmonium, hydrazinium, aminoxide or optionally substituted etherified hydroxyammonium group,A.sup.n.crclbar. signifies an anion,n signifies 1, 2 or 3, and the ring B is unsubstituted or monosubstituted, provided that at least one of R.sub.3 and R.sub.4 is other than hydrogen, and provided that the molecule does not contain a water-solubilizing group.The compounds are useful as basic azo dyes, for dyeing and printing polyacrylonitrile, acrylonitrile copolymers, polymers of asymmetrical dicyanoethylene, polyamides and polyesters modified to contain acid groups, leather, cellulosic materials and paper and for the mass coloration of plastics. The dyes are well-soluble in water, have good salt compatability and give level dyeings having good fastness to light, wet treatments, heat treatments and solvents.
摘要:
Disclosed are basic dyes, e.g., azo dyes and anthraquinone dyes free from sulphonic acid groups and which contain, as characteristic group, a group of the formula ##STR1## in which R and R.sub.1, independently, are substituted or unsubstituted C.sub.1-4 alkyl or are linked to form a ring, orOne of R and R.sub.1 is --NH.sub.2 or C.sub.1-4 alkoxy, the other substituted or unsubstituted alkyl,R.sub.2 and R.sub.3, independently, are hydrogen or C.sub.1-4 alkyl,Y is a bridging group,Q is unsubstituted or substituted phenyl, biphenylyl, naphthyl or ##STR2## in which R.sub.7 is ##STR3## where R.sub.8 ic C.sub.1-4 alkyl, andA.sup.- is an anion. These dyes are useful for the dyeing and printing of polymers and copolymers of acrylonitrile and asymmetrical dicyanoethylene as well as polyesters and polyamides modified to contain acid groups. The dyes build-up well and exhibit good pH stability and stability to boiling. The obtained dyeings are level and possess good fastness to light, wet treatments, solvents, heat treatments and cross-dyeing.
摘要:
Compounds of the formula ##STR1## wherein R, R.sub.1 and R.sub.2 are as defined in the specification and R.sub.3 is amino or --N.dbd.N--K, wherein K is a coupling component radical. The compounds wherein R.sub.3 is --N.dbd.N--K are useful as disperse dyes, and those wherein it is amino are useful as intermediates in the synthesis of those wherein it is --N.dbd.N--K.
摘要:
A Monoazo compounds of the formula ##STR1## wherein D is a diazo component radical of the 4-nitrophenyl series, thienyl-2 series, thiazolyl-2 series or 5-nitrobenzoisothiazolyl-3 series,R.sub.1 is hydrogen; C.sub.1-2 alkyl; C.sub.1-2 alkoxy; formylamino; (C.sub.1-4 alkyl)carbonylamino; (C.sub.1-4 alkyl)carbonylamino the alkyl group of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-3 alkoxy, cyano, phenyl, phenoxy and benzyloxy; (C.sub.2-4 alkenyl)carbonylamino; halo(C.sub.2-4 alkenyl)carbonylamino; benzoylamino; benzoylamino the phenyl group of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; (C.sub.1-4 alkoxy)carbonylamino; (C.sub.1-4 alkoxy)carbonylamino the alkyl moiety of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-3 alkoxy, cyano, phenyl, phenoxy and benzyloxy; (C.sub.8-14 alkyl)carbonylamino or (C.sub.8-14 alkoxy)carbonylamino,R.sub.2 is C.sub.1-4 alkoxy or 2-(C.sub.1-4 alkoxy)ethoxy,R.sub.3 is hydrogen, C.sub.1-4 alkyl, C.sub.8-14 alkyl, 2-(C.sub.8-14 alkoxy)carbonylethyl, 2-(C.sub.8-14 alkyl)carbonyloxyethyl or 2-(C.sub.8-14 alkoxy)carbonyloxyethyl, andR.sub.4 is hydrogen, C.sub.1-4 alkyl, 2-cyanoethyl, 2-(C.sub.1-3 alkoxy)ethyl, 2-(C.sub.1-4 alkyl)carbonyloxyethyl, 2-(C.sub.1-4 alkoxy)carbonylethyl, 2-(C.sub.1-4 alkoxy)carbonyloxyethyl, C.sub.3-4 alkenyl, ##STR2## C.sub.8-14 alkyl, 2-(C.sub.8-14 alkyl)-carbonyloxyethyl, 2-(C.sub.8-14 alkoxy)carbonylethyl or 2-(C.sub.8-14 alkoxy)carbonyloxyethyl, whereinR.sub.5 is C.sub.1-4 alkyl, allyl, (C.sub.1-3 alkyl)-carbonyl, phenyl or phenyl substituted by 1 to 3 substituents independently selected from halo, C.sub.1-2 alkyl and C.sub.1-2 -alkoxy, andR.sub.6 is hydrogen, C.sub.1-4 alkyl and (C.sub.1-3 alkyl)-carbonyl,with the proviso that one and only one of R.sub.1, R.sub.3 and R.sub.4 is or contains a C.sub.8-14 alkyl group or moiety,which are useful for dyeing textile materials, for example polyester.