摘要:
A trisazo compound represented by the following formula (I) in the free acid form: ##STR1## wherein Q is an phenyl or naphthyl group both of which may be unsubstituted or substituted; one of the A and B is hydroxy group and the other is amino group; K is 1 or 2; and one of m and n is 1 and the other is 0; a method for dyeing fiber materials, paper or leather by using the trisazo compounds and an ink containing the trisazo compounds, and the trisazo compound is excellent in solubility, and good in storage stability and free from clogging of nozzle caused by deposition. The ink using the trisazo compound gives a deep black-colored image excellent in clarity, water-durability and durability to light.
摘要:
Disclosed is a trisazo dye represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a substituted amino group which is substituted with hydrogen, a hydroxyl group, a carboxyl group, an amino group, an alkyl group having 1 to 4 carbon atoms, a hydroxyalkyl group or an acyl group, or an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; and R.sup.3 is hydrogen, an alkyl or alkoxy group having 1 to 6 carbon atoms; provided that R.sup.1 and R.sup.2 are not amino groups or substituted amino groups simultaneously.A process for producing the trisazo dye and an aqueous ink composition containing the trisazo dye are also disclosed.
摘要:
A trisazo compound represented by the following formula in the free acid form: ##STR1## wherein Q.sub.1 and Q.sub.2 independently of one another are each unsubstituted or substituted phenyl or naphthyl group and l represents 0 or 1, which is useful for dyeing fiber, paper, leather and the like having hydroxy or amido group in black color, and for use in an ink used in ink jet and the like.
摘要:
Black compounds of Formula (1) having enhanced solubility in polar organic liquids which are useful as ink colorants in conventional and hot melt ink-jet printing and automatic identification, as black colorants for toners and thermal wax transfer sheets and as charge control agents for electrophotographic toners; ##STR1## wherein R is H, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, aryl, C.sub.4-8 cycloalkyl, --CN, --NO.sub.2, halogen, --COOR.sup.1, --OH, --SH or --SO.sub.3 A;R.sup.1 is A, C.sub.1-4 -alkyl or aryl;R.sup.2 is --NH.sub.2, --OH or --SO.sub.3 A;R.sup.3 is --NH.sub.2 or --OH;R.sup.4 is --NH.sub.2, --OH, --SO.sub.3 A or H; andA is NQ.sub.4 in which at least one Q is a branched chain fatty C.sub.6-20 -aliphatic group.
摘要:
Water-soluble black trisazo dyestuffs of the general formula I ##STR1## wherein R denotes hydrogen, alkyl having 1 or 2 carbon atoms, alkoxy having 1 or 2 carbon atoms, acylamino having 2 or 3 carbon atoms or carboxamide and n denotes a number from 0 to 2.5 are suitable for the preparation of recording fluids.
摘要:
An aqueous ink composition comprises (a) a dye having formula (I) in an amount of 0.5 to 6.0 wt. %, in which 20% or more of the total of the cations of --SO.sub.3 X and --OX groups directly connected to the aromatic rings thereof is replaced by Li.sup.+ ion or a quaternary ammonium ion, ##STR1## wherein X represents a cation; R.sup.1 represents hydrogen, a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, or an amino group; R.sup.2 represents ##STR2## (in which R.sup.5 and R.sup.6 each represent hydrogen, an alkyl group having 1 to 4 carbon atoms, a hydroxyethyl group, or a cyanoethyl group); R.sup.3 represents hydrogen, --SO.sub.3 X; R.sup.4 represents hydrogen, or a --C.sub.2 H.sub.4 OX, (b) a polyhydric alcohol in an amount of at least 10 wt. %; and (c) water.
摘要:
Metal-free compounds of the formula ##STR1## 1:1 and 1:2 metal complexes thereof, and acid addition salts of metal-free compounds of said formula and 1:1 and 1:2 metal complexes thereof, whereinB is hydrogen; C.sub.1-4 alkyl; C.sub.1-4 alkyl monosubstituted by C.sub.1-4 alkoxy; C.sub.2-4 alkyl substituted by hydroxy; C.sub.5-6 cycloalkyl; C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups; phenyl(C.sub.1-3 alkyl); phenyl(C.sub.1-3 alkyl) the phenyl group of which is substituted by 1 to 3 substituents selected from C.sub.1-4 alkyl, C.sub.1-4 alkoxy and halo; --A--NH--R.sub.2 ; --A'.sub.4 --N(R.sub.7).sub.2 ; --A.sub.4 --N.sup..sym. (R.sub.8).sub.2 R.sub.9 A.sup..crclbar. or --N(R.sub.7).sub.2,R is hydrogen; C.sub.1-4 alkyl; C.sub.5-6 cycloalkyl; C.sub.5-6 cycloalkyl substituted by 1 or 2 C.sub.1-4 alkyl groups; phenyl; phenyl substituted by 1 or 2 substituents selected from methyl, ethyl, methoxy and ethoxy; benzyl; phenylethyl; or benzyl or phenylethyl the phenyl group of which is substituted by 1 or 2 substituents selected from methyl, ethyl, methoxy and ethoxy,R.sub.1 is hydrogen or --N.dbd.N--D, wherein D is a diazo component radical, with the proviso that R.sub.1 must be ##STR2## when B is other than --A--NH--R.sub.2, andT is hydrogen, cyano, --COOR.sub.4, --CO--N(R.sub.5)2, --SO.sub.2 --N(R.sub.5).sub.2, ##STR3## with the provisos that (i) when the compound is a monoazo compound free of sulfo groups, it contains at least one water-solubilizing basic or cationic group, (ii) when the compound is free of sulfo groups and is other than a monoazo compound, it contains at least two water-solubilizing groups, and (iii) when the compound contains one or more sulfo groups, the total number of basic and cationic groups exceeds the number of sulfo groups by at least one,are useful as dyes except for the compounds wherein R.sub.1 is hydrogen which are useful as intermediates.
摘要:
Leathers can be advantageously dyed with water-soluble polyazo dyestuffs having, in the form of the free acid, the formula ##STR1## wherein A is a member of the benzene, naphthalene or heterocyclic series;B has the formula ##STR2## n is the number 1 or 2; m is a number from 1 to 4;X is hydroxyl or amino;Y is hydroxyl or amino but X differs from Y;Z is hydroxyl or amino unsubstituted or substituted by alkyl having 1 to 4 carbon atoms, alkanoyl having 1 to 4 carbon atoms or by a moiety of the formula ##STR3## R.sup.1 is hydrogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms or alkoxyalkoxy having 3 to 7 carbon atoms; andR.sup.2 and R.sup.3 independently of one another are each hydrogen or alkyl having 1 to 4 carbon atoms.
摘要:
Concentrated, liquid preparations of metal-free direct azo dyes which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the stock and for dyeing paper sheet.
摘要:
Polyazo dyestuffs which in the form of the free acid correspond to the formula ##STR1## wherein R represents an etherified or esterified hydroxyl group in the o- or p-position, D represents the radical of a diazo component which, in the case that the sulpho group in the naphthalene ring is in the 4-position, is free of metallizable groups in the o-position and A can contain further substituents, are useful for the dyeing of hydroxy or nitrogen containing natural or synthetic fiber materials, for example, cellulose fibers in all states of processing, especially cotton and regenerated cellulose, as well as leather and paper.