Ink composition for ink jet recording, process for the preparation thereof, and ink jet recording process using said ink composition
AssigneeSeiko Epson Corporation
InventorsHideo Yamazaki, Michinari Tsukahara, Hiroto Nakamura, Hidehiko Komatsu
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Abstract
The present invention provides an ink composition for an ink jet recording process, which exhibits excellent print quality with good water fastness and light fastness and without flying in deflected directions from the ink head or nozzle fill-in even after a prolonged ink jet printing. The ink comprises (1) a carbon black, (2) an organic pigment, (3) a dispersant incorporated in an aqueous medium and (4) a saccharide.
Claims18
An ink composition for ink jet recording, comprising
- (1) a carbon black,
- (2) an organic pigment,
- (3) a dispersant and
- (4) at least one saccharide incorporated in an aqueous medium.
A process for the preparation of an ink composition for ink jet recording, which comprises simultaneously adding
- (1) a carbon black,
- (2) an organic pigment,
- (3) a dispersant and
- (4) at least one saccharide
- to an aqueous medium, and then subjecting the mixture to dispersion.
Dependencies are inferred from the claim text.