Patent ID: 8585814

Claim:
An active ray curable ink-jet ink comprising a multifunctional acrylate or methacrylate of at least three functional groups, the multifunctional acrylate or methacrylate having a partial structure of the following Formula (1) in an amount of 10-30 weight % based on the total weight of the active ray curable ink-jet ink: Formula (1) —(—R—O—) n — wherein R is an alkylene group of —CH 2 CH 2 —, or —CH 2 CH(CH 3 )—, and n is 3, and the ink-jet ink further comprising a bifunctional acrylate or methacrylate having a partial structure of Formula (1) in an amount of 30-80 weight % based on the total weight of the ink-jet, provided that a sum of the multifunctional acrylate or methacrylate of at least three functional groups and the bifunctional acrylate or methacrylate is from 40 to 100 weight %.