| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin which is used for lithographic inks, can reduce the peeling of paper even when printed for a long time, and can give high quality printed products giving glossy feelings, and to provide a lithographic ink containing the same. <P>SOLUTION: The lithographic ink includes a rosin-modified phenolic resin (A) obtained by reacting a rosin compound (a), a novolak-resol type phenolic resin (b) and a regenerated vegetable oil (c). Preferably, the lithographic ink is characterized in that the rosin-modified phenolic resin (A) is prepared by reacting, by a weight solid content ratio, 5-75 wt.% of the rosin compound (a), 15-85 wt.% of the novolak-resol type phenolic resin (b), and 5-30 wt.% of the regenerated vegetable oil (c). <P>COPYRIGHT: (C)2013,JPO&INPIT |
