| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink that is a carbon black pigment ink including a dispersant, can provide an image of high quality having high scuffing resistance without damage of the intrinsic merits of the pigment ink and can inhibit the occurrence of bleeding, when a color image is formed. SOLUTION: The objective ink comprises at least one of salts selected from (M1)2SO4, CH3COO(M1), Ph-COO(M1), (M1)NO3, (M1)Cl, (M1)Br, (M1)I, (M1)2SO3 and (M1)2CO3 (M1 represents an alkali metal, ammonium or organic ammonium, Ph represents phenyl), a dispersant and carbon black. |
