| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink set improving storage stability of a water-based ink and realizing image formation at a high speed.SOLUTION: An ink set has a treatment liquid comprising a photopolymerizable compound and an acid and water and a water-based ink comprising a colorant, a photoinitiator and water, where at least one component contained in the treatment liquid and at least one component contained in the water-based ink, except for water and an alcohol-based compound having a carbon number of 6 and no ring structure, have a common skeleton. |
