Colored particle aqueous dispersion, water-based ink, and image forming method
AssigneeKonica Corporation
InventorsHidetaka Ninomiya, Hiroaki Ando
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Abstract
A colored particle aqueous dispersion and a water based ink containing the dispersion are disclosed, the colored particle aqueous dispersion containing colored particles comprising a colorant and a resin, wherein the difference in solubility parameter (SP) between the colorant and the resin is not more than 4.0 (J/cm3)1/2.
Claims19
A colored particle aqueous dispersion containing colored particles comprising a colorant and a resin, wherein the difference in solubility parameter (SP) between the colorant and the resin is not more than 4.0 (J/cm3)1/2.
A water-based ink containing a colored particle aqueous dispersion, wherein the dispersion contains colored particles comprising a colorant and a resin, and wherein the difference in solubility parameter (SP) between the colorant and the resin is not more than 4.0 (J/cm3)1/2.
An image formation method comprising the steps of ejecting droplets of a water-based ink from an ink-jet head based on digital signals, and adhering the ejected droplets onto an ink receiving material, the water based ink containing a colored particle aqueous dispersion containing colored particles comprising a colorant and a resin, wherein the difference in solubility parameter (SP) between the colorant and the resin is not more than 4.0 (J/cm3)1/2.
Dependencies are inferred from the claim text.