| 摘要 |
An ink jet ink set comprising: a) a cyan ink comprising a carrier and a sulfonated copper phthalocyanine dye; b) a magenta ink comprising a carrier and an anthrapyridone magenta dye or metal complex magenta dye, or azo-naphthol derivative magenta dye or mixture thereof; c) a yellow ink comprising a carrier and an azo-aniline yellow dye or metal complex yellow dye or mixtures thereof; and d) a trisazo black dye of the following structure (I) where Met is a metal atom, preferably Al, Co, Cr, Cu, Fe, or Ni; R1 is a phenyl or naphthalene radical substituted by 1, 2 or 3 substituents selected from the group consisting of OH, O(C1-C6)-alkyl, COOM, SO3M and NH2; R2 is C1-C6-alkyl, n is 0 or 1, X is a chemical bond or -CO- or -SO2-; R3 is H, methyl or O(C1-C6)-alkyl; R4 and R5 are each H, COOM or SO3M; R6 is a phenyl, pyridyl or pyrazole radical substituted by 1, 2 or 3 substituents selected from the group consisting of OH, O(C1-C6)-alkyl, COOM, SO3M, NH2, NHaryl, NHacyl and phenlysulfo; and M is ammonium, H, K, Li, or Na. |
