| abstract |
(57) [Summary] [Purpose] To obtain a heat-sensitive recording material having no image fog and good image storability. [Structure] Colorless or pale leuco dye, developer, A heat-sensitive recording material containing 7,7-dihydroxy-4,4,4,4-tetramethyl-2,2-spirobichroman represented by the following structural formula in a color forming layer containing a sensitizer and . |