| abstract |
PROBLEM TO BE SOLVED: To provide an ink-jet ink composition using self-dispersing particles which does not require grinding or grinding and does not require the use of a dispersant. Another object of the present invention is to provide a printing method using the above-described inkjet ink composition. An inkjet ink composition comprising water, a wetting agent, and a metallized phthalocyanine colorant, wherein the metallized phthalocyanine colorant has the formula: MPc (SO 3 X) a (SO 2 NRR ′) b Wherein M, Pc, X, a, b, R, and R 'are as defined herein, and further wherein at least 50% by weight of the metallized phthalocyanine colorant is An ink-jet ink composition which is present as particles in the composition. [Selection diagram] None |