| 摘要 |
<p>A thermal recoding material which is excellent in heat response and storage stability of image areas and reduced in the deposition of dregs on a thermal head of a thermal printer. Specifically, a thermal recording material having a thermal recording layer containing both an electron-donating dye precursor which is colorless or colored palely under ordinary conditions and an electron-accepting developer which reacts with the dye precursor on heating to develop a color, characterized in that the thermal recording layer contains a specific diphenyl sulfone derivative, a specific amide derivative and a specific fluoran derivative with weight ratio of the diphenyl sulfone derivative to the amide derivative ranging from 2/1 to 1/2.</p> |
