| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluorescent emulsion ink for stencil printing not causing clogging of a printing drum screen, excellent in fixing, little in blurring of an image and strike through, high in fluorescence development, and good in storage stability. SOLUTION: In a water-in-oil (w/o) emulsion ink comprising 20-80 wt.% oil phase and 80-20 wt.% water phase, a pigment contained in the ink as a coloring agent is a fluorescent pigment obtd. by a clashing method of a synthetic resin solid soln. type block resin and the average particle size of the fluorescent pigment is 0.2-1.3μm, pref., 0.4-1.3μm. |
