| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultraviolet curable ink composition which has excellent surface curability after printing and adhesiveness to various recording media.SOLUTION: This ink comprises a colorant, a polymerizable compound which polymerizes when irradiated with ultraviolet rays, a photoinitiator and a cophotoinitiator, wherein the photoinitiator includes an α-aminoalkylphenone type initiator and a thioxanthone type initiator and the cophotoinitiator includes a tertiary amine. |
