20120199029 | INTAGLIO PRINTING INK - There is provided an intaglio printing ink that causes little set-off, exhibits improved chalking resistance, and attains improved print quality, and which permits low-cost prevention of blocking by low-dose irradiation with ultraviolet light. The intaglio printing ink comprises at least an ultraviolet curable composition, an oxidation polymerizable composition, a photopolymerization initiator, an oxidation polymerization catalyst, and a pigment. An acid-modified epoxy-acrylate prepared by reacting a polybasic acid anhydride with an epoxy-acrylate obtained by reacting an acrylate, having two or more acryloyl groups and one carboxyl group in one molecule, with an epoxy compound, having two or more epoxy rings in one molecule, is used as the ultraviolet curable composition. | 08-09-2012 |