| abstract |
(57) [Summary] (with correction) [PROBLEMS] To provide a high-quality heat-sensitive recording material having high sensitivity, image storability and heat resistance of blank paper, and excellent light resistance of blank paper and an image portion. Kind Code: A1 A thermosensitive recording material provided with a thermosensitive coloring layer containing a leuco dye and a color developer on a support, wherein the thermosensitive coloring layer comprises a compound represented by the general formula 1 as the leuco dye, 2,4'-dihydroxydiphenyl sulfone as a sensitizer and 2- (2'-hydroxy-5'- Methylphenyl) benzotriazole. (In the formula, R represents n-butyl or n-pentyl.) |