| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain an aqueous fluorescent recording material capable of recording information pieces such as a fluorescent letter and a pattern having excellent light resistance and durability, or the like, and non-information pieces. SOLUTION: This fluorescent recording material is characterized by comprising a fluorescent coloring matter composed of a 2,5-dicyano-3,6-diamino-pyrazine represented by formula (1) (R1 to R4 are each a substituent group such as a group of formula (2), or the like) as a basic skeleton, a binder and an aqueous medium.</p> |
