| 摘要 |
PROBLEM TO BE SOLVED: To provide a gravure ink composition for front printing capable of long-term storage of the ink, excellent in reduction of discoloration of an antioxidant contained in a film during storage under long-term high temperature/high humidity, in anti-polyvinyl chloride blocking property for preventing adhesion between printed matter and a flexible polyvinyl chloride sheet used in table cloth or the like, and in heat resistance and followability, and also excellent in environmental hygiene.SOLUTION: A gravure ink composition for front printing includes one or more kinds selected from a polyurethane resin (A) made by a reaction between polymer diol and diisocyanate, a vinyl chloride/vinyl acetate copolymer (B), and rosin-modified maleic acid (C-1), rosin ester (C-2) or titanium chelate (D). |
