| 摘要 |
An ink-jet printing process which includes the steps of applying one or two inks on a recording medium, and applying a treating liquid reactive with the ink prior to the ink application, wherein the ink contains a first pigment and a second pigment dispersed in an aqueous medium, or two inks each contains the first pigment and the second pigment respectively, wherein the first pigment is a self-dispersing pigment having anionic groups or cationic groups bonded directly or through another atomic group to the surface of the pigment; and the second pigment can be dispersed in an aqueous medium by a polymer dispersant, the ink further contains a dispersant for disperse the second ink where the dispersant is a nonionic dispersant or a dispersant having the same polarity as that of the group bonded to the surface of the first pigment, and the treating liquid.
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