| abstract |
Provided is an ink-jet ink composition that can be fixed at high speed on any type of printing paper used in the market without a heat source, and can form a high-quality and robust image. SOLUTION: (1) Silica sol and / or alumina sol, (2) Colorant dispersed or dissolved in water, (3) Water, (4) Boiling point is 180 ° C. (760 mmHg) or more, water or alcohol In the ink composition for ink jet recording comprising as a main component an organic solvent miscible with (4), the above (4) contains 2-ethyl-1.3-hexanediol and 1,6-hexanediol. Ink-jet recording ink composition [selection figure] None |