| abstract |
(57) [Problem] To provide an ink set capable of providing high-quality printed matter without fear of causing color bleed or the like. The ink set of the present invention is an ink set comprising a black aqueous pigment ink composition and at least one non-black aqueous pigment ink composition, wherein the black aqueous pigment ink composition comprises a pigment, N , N, N ', It contains N ", N" -pentakis (2-hydroxypropyl) diethylenetriamine and water and has a surface tension of the black aqueous pigment ink composition and a surface tension of another color aqueous pigment ink composition. The difference is 2 mN / m or more. |