| 摘要 |
PURPOSE:To obtain a water-base jet ink composition excellent in shelf life and driability and capable of giving a nondeteriorating image. CONSTITUTION:This ink comprises a colorant and a compound of the formula (wherein R is 5-7C branched alkyl, and M is any one member selected from among an alkali metal ion, a quat. ammonium ion, a quat. phosphonium ion and an alkanolamine ion). |
