Image recording ink
AssigneeSeiko Epson Corporation
InventorHiroyuki Ohnishi
Life of this patent
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Abstract
An image recording ink composition for use in a printer for recording letters and images with a liquid ink is disclosed, comprising water and a coloring material and containing at least one water-insoluble component. The ink composition is excellent in rapid drying properties, fixing properties, freedom from obstruction in a printing machine, and preservability, and provides an image excellent in terms of blurring, density, gloss, water resistance, and light resistance.
Claims12
An image recording ink composition having good re-dispersibility for use in a printer for recording letters and images with a liquid ink, consisting essentially of water, a water-insoluble component and a water-soluble resin, said water-insoluble component being a pigment having an average particle diameter of not more than 0.2 .mu.m, wherein aggregates formed in the ink composition are re-dispersed upon contact with water.
An image recording ink composition having good re-dispersibility for use in a printer for recording letters and images with a liquid ink, comprising water, a water-soluble dye, a water-insoluble resin and a solvent having a high-boiling point and low volatility, wherein aggregates formed in the ink composition are re-dispersed upon contact with water.
Dependencies are inferred from the claim text.