| abstract |
Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer which is formed on the support and contains a leuco dye, a developer, a sensitizer and a binder, the heat-sensitive recording material using, as the developer, at least one member selected from the group consisting of N-(p-toluenesulfonyl)-m-aminophenol and N-(p-toluenesulfonyl)-p-aminophenol, and as the sensitizer, (a) at least one member selected from the group consisting of 1,2-diphenoxyethane, 1,2-di(3-methylphenoxy)ethane, 2-naphthyl benzyl ether and di-p-methylbenzyl oxalate and (b) a higher fatty acid amide such as stearic acid amide. |