Patent ID: 6302924
Filing Date: 2001-10-16
Classification: B41M,C09B

Abstract:
A dye mixture consisting essentially of one or more azo dyes (F1) of the formula I ##STR62##whereK is a radical of the formula ##STR63##X is nitrogen or C--Z.sup.3,Z.sup.1 is nitro, cyano, C.sub.1 -C.sub.6 -alkanoyl, benzoyl, C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.1 -C.sub.8 -alkylsulfonyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenylsulfonyl or a radical of one of the following formulae (IIa)-(IIg): ##STR64##whereR.sup.1 is cyano, nitro, C.sub.1 -C.sub.6 -alkanoyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted benzoyl, C.sub.1 -C.sub.8 -alkylsulfonyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenylsulfonyl, C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.3 -C.sub.4 -alkenyloxycarbonyl, phenoxycarbonyl, carbamoyl, mono- or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenylcarbamoyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenyl, benzothiazol-2-yl, benzimidazol-2-yl, 5-phenyl-1,3,4-thiadiazol-2-yl or 2hydroxyquinoxalin-3-yl,R.sup.2 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.3 -C.sub.4 -alkenyloxy,R.sup.3 is C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.3 -C.sub.4 -alkenyloxycarbonyl, phenylcarbamoyl or benzimidazol-2-yl,R.sup.4 is cyano, C.sub.1 -C.sub.8 -alkoxycarbonyl or C.sub.3 -C.sub.4 -alkenyloxycarbonyl,R.sup.5 is hydrogen or C.sub.1 -C.sub.6 -alkyl,R.sup.6 is hydrogen, C.sub.1 -C.sub.6 -alkyl or phenyl, andR.sup.7 is C.sub.1 -C.sub.6 -alkyl;Z.sup.2 is hydrogen, C.sub.1 -C.sub.6 -alkyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenyl, cyano, halogen, unsubstituted or phenyl- or C.sub.1 -C.sub.4 -alkoxy-substituted C.sub.1 -C.sub.6 -alkoxy, unsubstituted or phenyl-substituted C.sub.1 -C.sub.8 -alkylthio, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenylthio, C.sub.1 -C.sub.8 -alkylsulfonyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenylsulfonyl or C.sub.1 -C.sub.8 -alkoxycarbonyl,Z.sup.3 is C.sub.1 -C.sub.8 -alkoxycarbonyl, cyano, nitro or hydrogen,Y.sup.1 and Y.sup.2 are independently of each otherunsubstituted C.sub.1 -C.sub.10 -alkyl which may be interrupted by 1 to 4 oxygen atoms in ether function,C.sub.1 -C.sub.10 -alkyl which may be interrupted by 1 to 4 oxygen atoms in ether function and which is substituted by cyano, hydroxyl, halogen, C.sub.1 -C.sub.4 -alkanoyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyloxy, wherein the alkyl chain of the last three radicals may be interrupted by 1 oxygen atom in ether function,C.sub.5 -C.sub.7 -cycloalkyl,C.sub.3 -C.sub.4 -alkenyl,unsubstituted phenyl,phenyl which is substituted by C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen or nitro, orY.sup.1 and Y.sup.2 together with nitrogen atom joining them together are a 5- or 6-membered saturated heterocyclic radical with or without further hetero atoms, or else Y.sup.1 is hydrogen,Y.sup.3 is C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenyl,one or more dyes (F2) which have their respective absorption maximum at a wavelength of from 410 to 530 nm, the Full Width Half Maximum (FWHM) value of the absorption maximum of each of the dyes F2 being at least 2000 cm.sup.-1, wherein the dyes F2 are selected from the group consisting of dyes (A)-(D) as follows:(A) azo dyes of the formula IIID--N.dbd.N--K', (III)where K' is a radical of the formula ##STR65##whereY.sup.4 is hydrogen, C.sub.1 -C.sub.10 -alkyl with or without interruption by from 1 to 4 oxygen atoms in ether function, hydroxyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.4 -alkylsulfonylamino, mono- or di(C.sub.1 -C.sub.8 -alkyl)aminosulfonylamino or the radical --NHCOY.sup.9 or --NHCO.sub.2 Y.sup.9, where Y.sup.9 is phenyl, benzyl, tolyl or C.sub.1 -C.sub.10 -alkyl with or without interruption by from 1 to 4 oxygen atoms in ether function,Y.sup.5 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy,Y.sup.6 and Y.sup.7,a) when X of formula I is C--Z.sup.3, are independently of each other hydrogen, unsubstituted C.sub.1 -C.sub.10 -alkyl which may be interrupted by 1 to 4 oxygen atoms in ether function,C.sub.1 -C.sub.10 -alkyl which may be interrupted by 1 to 4 oxygen atoms in ether function and which is substituted by cyano, hydroxyl, halogen, C.sub.1 -C.sub.4 -alkanoyloxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyloxy, wherein the alkyl chain of the last three radicals may be interrupted by 1 oxygen atom in ether function,C.sub.5 -C.sub.7 -cycloalkyl,C.sub.3 -C.sub.4 -alkenyl,unsubstituted phenyl,phenyl which is substituted by C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy, halogen or nitro, orY.sup.6 and Y.sup.7 together with the nitrogen atom joining them together are a 5- or 6-membered saturated heterocyclic radical with or without further hetero atoms,or b) when X of formula I is nitrogen, are each C.sub.1 -C.sub.10 -alkyl which is unsubstituted or substituted by phenyl and may be interrupted by 1 oxygen atom in ether function, with the proviso that Y.sup.6 and Y.sup.7 are different in case b), andY.sup.8 is hydrogen or Y.sup.1,D is a radical of the formula ##STR66##whereZ.sup.4 is hydrogen, cyano, C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.1 -C.sub.6 -alkanoyl, thiocyanato, halogen or nitro,Z.sup.5 is cyano, unsubstituted or phenyl-substituted C.sub.1 -C.sub.6 -alkyl, unsubstituted or phelnyl-substituted C.sub.1 -C.sub.10 -alkoxy, unsubstituted or phenyl-substituted C.sub.1 -C.sub.10 -alkylthio, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy, halogen-, or nitro-substituted phenyl, thienyl, C.sub.1 -C.sub.4 -alkylthienyl, pyridyl or C.sub.1 -C.sub.4 -alkylpyridyl, or Z.sup.4 and Z.sup.5 together are the radical of a fused-on benzene ring,Z.sup.6, Z.sup.7 and Z.sup.8 are each independently of the other hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, halogen, nitro, cyano, unsubstituted or phenoxy-substituted C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.1 -C.sub.8 -alkylsulfonyl or unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenylsulfonyl, or Z.sup.3 and Z.sup.4 are together a radical of the formula CO--NW--CO, where W is C.sub.1 -C.sub.10 -alkyl with or without interruption by 1 or 2 oxygen atoms in ether function and with or without hydroxyl substitution,(B) disazo dyes of the formula IV ##STR67##whereE.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl or nitro,E.sup.2 is hydrogen, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -alkoxy,E.sup.3 is hydrogen or C.sub.1 -C.sub.6 -alkyl andthe rings A and B may each be benzofused,(C) methine dyes of the formulae V to VII ##STR68##whereU is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenyl, unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted benzyl, C.sub.5 -C.sub.7 -Cycloalkyl, thienyl, hydroxyl or mono(C.sub.1 -C.sub.8 -alkyl)amino, andR.sup.1, Y.sup.1, Y.sup.2, Y.sup.4, Y.sup.5, Y.sup.6, Y.sup.7 and Y.sup.8 are each as defined above, and(D) anthraquinone dyes of the formula XI ##STR69##whereL.sup.1 is hydrogen, C.sub.1 -C.sub.10 -alkyl or unsubstituted or C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, halogen- or nitro-substituted phenyl,L.sup.2 and L.sup.3 are independently of each other hydrogen, unsubstituted or phenyl- or C.sub.1 -C.sub.4 -alkylphenyl-substituted C.sub.1 -C.sub.10 -alkoxy, substituted or phenyl-substituted C.sub.1 -C.sub.10 -alkylthio, halogen, hydroxyphenyl, C.sub.1 -C.sub.4 -alkoxyphenyl or a radical of the formula ##STR70##where G.sup.1 is oxygen or sulfur and G.sup.2 is hydrogen or mono(C.sub.1 -C.sub.8 -alkyl)sulfamoyl whose alkyl chain may be interrupted by 1 or 2 oxygen atoms in ether function, andL.sup.4 is amino, hydroxyl or unsubstituted or phenyl-substituted C.sub.1 -C.sub.10 -alkylthio.