| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a black ink composition containing at least two kinds of water-soluble dyes that can print, without requiring the addition in large quantities or of other dyes for color correction, an image having excellent black tone and high density, and is excellent in weather-proofness, in particular excellent in water tightness (free from blotting), and to provide an ink set containing the same, and an inkjet recording method using the same. <P>SOLUTION: The ink composition containing at least two kinds of water-soluble dyes is characterized in that at least one of the water-soluble dyes is a compound selected from the group consisting of a compound and its salt represented by formula (S-1) and at least one of the at least two kinds of water-soluble dyes is a compound represented by formula (L-2), or a compound having a naphthalene ring substituted with at least one hydroxy group and three or more azo groups. <P>COPYRIGHT: (C)2013,JPO&INPIT |
