| abstract |
(57) [Summary] [Problem] To have a medium black color tone for an image, Development of heat-sensitive recording materials with excellent storage properties such as color sensitivity, heat resistance, moisture resistance, and light resistance. Kind Code: A1 A specific black color-forming compound, a specific red color-forming compound, CVL or benzoylleucomethylene blue, and a bis (3) having an α-type crystal form as a color developing compound are provided on a plastic film or synthetic paper. A heat-sensitive recording material comprising (allyl-4-hydroxyphenyl) sulfone. |