| 摘要 |
A water-soluble dye, free from cellulose reactive groups, of the formula: <IMAGE> +TR <IMAGE> wherein R1 is -(CaH2aO)m(CbH2bO)nH, R2 is H or -(CaH2aO)m(CbH2bO)nH, or R1 & R2 together with the nitrogen atom form a morpholine ring a & b are different and from 1 to 8 m is from 1 to 10; n is from 0 to 9; q is 1/2 or 1 p is 1 or 2 L is a transition metal capable of complexing with a dye M is H, ammonium, or a monovalent metal; Q is H or SO3M T is H or C1-4-alkyl; D is a substituted azo group; B, E & F are H or substituents; X is NR1R2, NR3R4, -NR3-Z-NR4-, Or3, or the residue of a mono- or bis-azo chromophore comprising benzene, naphthalene or mono- or bi- cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking group, wherein R3 & R4 each independantly are H, alkyl or aryl; and Z is a divalent linking group; a mixture of this dye with an unmetallized orange dye of similar structure and an ink derived from the dye or dye mixture which is suitable for use in printing, especially ink jet printing. |
