| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photocurable inkjet printing ink composition which excels in photocurability, adhesion to a base material, thermoformability, and punchability by punching or the like. <P>SOLUTION: The photocurable inkjet printing ink composition includes at least a ketone resin having a hydroxyl group, a photopolymerizable compound, and a photopolymerization initiator, and the photopolymerizable compound contains a urethane oligomer (1) having an ethylenically unsaturated double bond, isobornyl acrylate (2), and benzyl acrylate (3) with a content of the component (3) of 5-70 mass% in the photopolymerizable compound or contains the components (1) and (2) and ethoxyethoxyethyl acrylate and/or tetrahydrofurfuryl acrylate (4) with a content of the component (4) of 5-35 mass% in the photopolymerizable compound or contains the components (1), (2), (3), and (4) with a total content of the components (3) and (4) of 5-35 mass% in the photopolymerizable compound. <P>COPYRIGHT: (C)2011,JPO&INPIT |
