| 摘要 |
PROBLEM TO BE SOLVED: To provide recording liquid which gives a record emitting red light when exposuring under ultraviolet rays and excellent in water resistance, sufficiently adheres even to a nonporous object, hardly has an odor, and is excellent in dryability and flammability resistance. SOLUTION: This recording liquid comprises 0.2-3 wt.% europium-base fluorescent material, 3-15 wt.% at least one resin having an acid value of 200-300 mgKOH/g and a wt. average mol.wt. of 500-5,000 and selected from the group consisting of a styrene/acrylic resin, a styrene/maleic acid resin, and an α- methylstyrene/styrene/acrylic resin, 20-50 wt.% water, 10-60 wt.% n-propyl alcohol, and 0-50 wt.% ethanol. |
