INK COMPOSITION FOR ULTRAVIOLET-CURABLE TYPE PRINTING

摘要

PURPOSE:To obtain an ink composition for ultraviolet-curable type printing excellent in adhesion to raw materials and flexibility of a cured film and further capable of preventing ply separation of the cured film after ply printing and solving problems of crack and release due to drawing, bending, etc. CONSTITUTION:This ink composition consists essentially of a polyurethaneacrylate oligomer which is a polycaprolactone-based urethaneacrylate oligomer and contains vinylcaprolactam and phenyxyethyl acrylate as essential components.