Black trisazo metal complex dyes

Details Black trisazo metal complex dyes Black trisazo metal complex dyes

C - Chemistry, Metallurgy

09

B

C09B 45/24 (2006.01) C09D 11/00 (2006.01) G03G 9/09 (2006.01) D21H 21/28 (2006.01)

Patent

CA 2406892

The present invention relates to the metal complexes of tris azo dyes of general formula (4), wherein R1 represents an aryl radical that is mono- or poly-, e.g. 2-, 3-, 4- or 5-fold, substituted with OH, O(C1-C6)-alkyl, O(C1- C6)-alkyl-COOM, O(C1-C6)-alkyl-SO3M, O(hydroxy(C1-C6)-alkyl, (C1-C6)-alkyl, COOM, SO3M, SO2NH2, SO2N(hydroxy(C1-C6)-alkyl)2, SO2NH(C1-C6)-alkyl, SO2N((C1- C6)-alkyl)2, NH2, NH(C1-C6)-alkyl, NHacyl, NHaryl, N(hydroxy(C1-C6)-alkyl)2, N((C1-C6)-alkyl)2 and/or halogen; R2 stands for OH, O(C1-C6)-alkyl, COOM or SO3M; R3, R4 and R5 are hydrogen or a substituent; R6 stands for a non- substituted or a mono- or poly-substituted, mononuclear or binuclear, carbocycli or heterocyclic aromatic, an equally substituted pyrazole radical or an equally substituted pyridone radical. The dyes can be used for dyeing and imprinting natural and synthetic fibre materials, recording liquids, especially according to the ink jet method, liquid adjustments for colouring paper pulp and as a colouring agent for electrophotographic toners, powder lacquers and colour filters which contain the inventive dyes.

L'invention concerne les complexes métalliques de colorants tris-azo de formule générale (4) dans laquelle R?1¿ désigne un reste aryle mono ou polysubstitué, par exemple, 2, 3, 4 ou 5 fois par OH, O(C¿1?-C¿6?)-alkyle, O(C¿1?-C¿6?)-alkyl-COOM, O(C¿1?-C¿6?)-alkyl-SO¿3?M, O(hydroxy(C¿1?-C¿6?)-alkyle, (C¿1?-C¿6?)-alkyl-COOM, SO¿3?M, SO¿2?NH¿2?, SO¿2?N(hydroxy(C¿1?-C¿6?)-alkyl)¿2?, SO¿2?NH(C¿1?-C¿6?)-alkyl, SO¿2?N((C¿1?-C¿6?)-alkyl)¿2?, NH¿2?, NH(C¿1?-C¿6?)-alkyl, NH-acyle, NH-aryle, N(hydroxy(C¿1?-C¿6?)-alkyl)¿2?, N((C¿1?-C¿6?)-alkyl)¿2? et/ou un halogène; R?2¿ désigne OH, O(C¿1?-C¿6?)-alkyle, COOM ou SO¿3?M; R?3¿, R?4¿ et R?5¿ désigne un hydrogène ou un substituant; R?6¿ désigne un composé aromatique carbocyclique ou hétérocyclique à un seul noyau ou à deux noyaux, non substitué ou mono ou polysubstitué, un reste pyrazole uniformément substitué ou un reste pyridone uniformément substitué. Les colorants peuvent être utilisés pour la teinture et l'impression de fibres textiles naturelles et synthétiques, pour des liquides d'enregistrement, en particulier pour le procédé à jet d'encre, pour l'ajustement de liquides pour la coloration de pâte à papier, et également, comme agents de coloration pour toners électrophotographiques, vernis en poudre et écrans colorés renfermant les colorants selon l'invention.

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