abstract |
(57) [Summary] [Structure] A thermosensitive coloring layer provided on a support such as paper, plastic sheet, synthetic paper, or the like, for example, 3,3-bis [2- (P-methoxyphenyl) -2- (p-dimethylaminophenyl) ethenyl] -4,5,6,7-tetrachlorophthalide, a specific fluorane compound, a specific color-developing compound, a specific phenol derivative Include it. [Effect] A heat-sensitive recording material having a near infrared absorptivity excellent in image storability was obtained. |