| 摘要 |
PURPOSE:To obtain a radiation-curable type resin composition capable of giving a hardened film having good adhesion and good luster by adding a (metha) acrylic prepolymer with (metha)acryloyl group to a thermoplastic resin consisting of a (co)polymer of an aromaic vinyl compound, etc., having a specific softening point and a solubility in a specific solvent. CONSTITUTION:One hundred pts.wt. a thermoplastic resin consisting of a (co) polymer of a C8-C10 aromatic vinyl compound (e.g., styrene, 2-methyl-1-butene, etc.) and/or of an alicyclic vinyl compound (e.g., cyclopentadiene, etc.) and/or a copolymer of said compound and an aliphatic vinyl compound (e.g., 1-butene, 1,3-butadiene, etc.), having a softening point of 50-180 deg.C and a solubility in aliphatic hydrocarbon solvents, is mixed with 20-1,000pts.wt. a (metha)acrylic prepolymer with (methan)acryloyl group to obtain objective resin composition. By using a printing ink containing the resin composition, a lap printing is made on an oily ink film. |
