| abstract |
A heat-sensitive recording material comprising a support having thereon a recording layer containing an electron-donating colorless dye and an electron-accepting compound, wherein the electron-accepting compound is selected from salicylic acid derivatives having an acyl group, a substituted amino group, an aryloxymethyl group, an alkoxy group or an aryloxy group, or metal salts thereof, and hydroxynaphthoic acid derivatives having an alkyloxy group or metal salts thereof, the recording layer further containing a metal compound in an amount of from about 0.05 to about 10 mols per mol of the electron-accepting compound. |