The present invention provides an ink composition comprising at least water; at least one member selected from compounds represented by the following formula (1) and/or salts thereof; and at least one member selected from carboxyl group-containing aromatic compounds and/or salts thereof:
1
wherein A represents an alkylene group, a phenylene group-containing alkylene group or
2
(R means hydrogen or alkyl)
and X represents NH
2
, OH or Cl.
本发明提供了一种油墨组合物,包括至少
水;至少一种由以下公式(1)代表的化合物和/或其盐;以及至少一种含有羧基的芳香化合物和/或其盐:
其中,A代表烷基,苯基烷基或含苯基烷基;R代表氢或烷基;X代表NH2,OH或Cl。