| 摘要 |
The novel phthalocyanine cyan dye of the formula (I) in which M represents an ion of a metal selected from Cu, Fe, Co, Mg, Mn, Sn and Ni, X represents a linear compound having 6-10 atoms in length containing C, 0, and/or N, R1 represents pyridine, imidazole, sulfide, thiol, phenol, benzene, benzaldehyde, pyrimidine, pyrizine, triazine, imidazole, thiazole, oxazole, pyridone, pyrone, pyrole, thiophene, furan, pyran, dioxane, and morpholine, and derivatives thereof, R2 represents an atom or chemical group that imparts water solubility to the phthalocyanine cyan dye, and y and z each independently represent an integer of 1 to 3 satisfying the relation of 2<=y+z<=4. Ink formulations containing at least one dye of the formula (I) and methods for ink jet printing with inks containing the phthalocyanine cyan dyes of formula (I).
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