| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat-sensitive recording material having little texture fogging to heat, and excellent in storage stability of a coloring image.SOLUTION: A heat-sensitive coloring layer provided on a support medium comprises a heat-sensitive recording material containing as main components, a usually colorless or pale-colored coloring compound, a color developing compound allowing the coloring compound to develop color at thermal time and a sensitizer, and contains as the color developing compound, bis(3-allyl-4-hydroxyphenyl)sulfone having an α-type crystal, and 3-methylcarbonyl amino toluene. |
