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US 2003/0158291 A1Published application
Ink for ink-jet recording and image forming method
AssigneeKonica Corporation
InventorsMasaki Nakamura, Hidetaka Ninomiya, Atsushi Tomotake
Life of this patent
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Abstract
An ink-jet recording ink is disclosed. The ink contains colored particles each composed for Resin A containing a colorant, or colored particles each comprising a core composed of Resin A containing a colorant and a shell composed of Resin B covering the core, a water miscible solvent and water, and absorption coefficient “a” of the ink as itself and absorption coefficient “b” of the ink in which the colorant is dissolved satisfy the relation of 0.50≦a/b≦0.95.
Claims10
An ink-jet recording ink comprising
- colored particles each composed of Resin A containing a colorant, or colored particles each comprising a core composed of Resin A containing a colorant and a shell composed of Resin B covering the core,
- a water-miscible solvent and water,
- wherein the ink satisfies formula of
- 0.50≦a/b≦0.95
- wherein a is absorption coefficient of the ink, and b is absorption coefficient of the ink measured after the colorant is dissolved.
2 more elements
Dependencies are inferred from the claim text.