BLACK INK COMPOSITION, INK SET, INK CARTRIDGE, INKJET RECORDING METHOD AND RECORDED MATTER

摘要

PROBLEM TO BE SOLVED: To provide a black ink composition which improves the printing quality, ensures ozone resistance of a printed matter printed by an inkjet recording method and inhibits the occurrence of bronzing, and to provide a black ink composition which further ensures color development under medium Duty conditions.

SOLUTION: The black ink composition is obtained by mixing at least two specific black colorants. Further addition of a specific colorant provides the black ink composition bringing the hue close to achromatic color under medium Duty conditions, and addition of the same in combination with C.I. Direct Yellow 86 enables more precise hue adjustment.

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