PRINTING INK FOR FORMING RAISED LETTER, ETC., BY COMBINING PHOTO/UV-SETTING ACCELERATING SUBSTANCE 'J' AND PHOTO/UV-SETTING RESIN (INK)

摘要

PROBLEM TO BE SOLVED: To solve the problems of conventional raised letter printing method to repeat the printing with a photosetting resin ink until a raised letter of 0.3 mm high is formed and necessitating several minutes for the setting of the photosetting resin ink to prolong the printing time and forming a soft and non-practical raised letter.;SOLUTION: A raised letter having a height of ≥0.3mm and a hardness of ≥4 is formed within a curing time of 0.3sec by combining (mixing) a photoset acceleration substance "J" with a photosetting resin ink.;COPYRIGHT: (C)2004,JPO