| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermal recording material which is concurrently equipped with excellent color development properties, image stability and shelf life of a white paper part. <P>SOLUTION: In this thermal recording material, a thermal coloring layer, which is provided on a substrate, contains a colorless or light-colored leuco dye as a coloring substance, and contains as a developing substance 3-50pts.wt. 4,4'-dihydroxydiphenyl sulfone with respect to 100pts.wt. 4-(4-(2-propenyloxy) phenylsulfonyl) phenol. <P>COPYRIGHT: (C)2004,JPO |
