A lithographic ink which has a highly sensitive curability for active energy beam simultaneously with a high washability with water, and which also has excellent resistance to surface staining in the printing and high water resistance of the cured film is provided. Also provided are a varnish for such lithographic ink and a method for producing printed material. The lithographic ink comprises (a) a pigment and (b) a resin having an ethylenically unsaturated group and a hydrophilic group, and it has a highly sensitive curability for active energy beam simultaneously with a high washability with water, and also, excellent resistance to surface staining in the printing and high water resistance of the cured film.
本发明提供了一种平版印刷油墨,该油墨对活性能量光束具有高灵敏度的固化能力,同时还具有较高的
水洗能力,并且在印刷过程中具有出色的抗表面沾污能力和固化膜的高耐
水性。此外,还提供了用于这种平版印刷油墨的上光剂和生产印刷材料的方法。这种平版印刷油墨由 (a)
颜料和 (b) 具有
乙烯不饱和基团和亲
水基团的
树脂组成,对活性能量光束具有高灵敏度的固化性,同时具有很高的
水洗性,而且在印刷中具有优异的抗表面沾污性,固化膜具有很高的耐
水性。