A thermosensitive recording material comprising a support member and a thermosensitive layer formed on the support member, which thermosensitive layer contains a colorless or light-colored leuco dye and acidic material, capable of forming a color upon application of heat to the thermosensitive layer, and at least one amide compound selected from the group consisting of amide compounds represented by the formulas ##STR1## wherein R.sub.1 represents an alkyl group with 1 to 30 carbon atoms, a phenyl group or a substituted phenyl group; R.sub.2 represents hydrogen or an alkyl group with 1 to 4 carbon atoms; R.sub.3 represents an alkyl group with 1 to 30 carbon atoms; R.sub.4 and R.sub.5 individually represent hydrogen, a halogen atom, an alkyl group with 1 to 4 carbon atoms or an alkoxy group with 1 to 4 carbon atoms; and n is an integer, 0 or 1, whereby image formation is improved with respect to the image density, the quantity of energy required for image formation, and thermal head operation on the thermosensitive recording material, and a compound represented by the formula ##STR2## wherein R.sub.6 and R.sub.7 individually represent an alkyl group with 10 to 30 carbon atoms, whereby prevention of discoloration of the recording material by pressure or friction is achieved.
一种热敏记录材料,包括支撑成员和形成在支撑成员上的热敏层,所述热敏层包含一种无色或浅色的
亚胺染料和酸性物质,能够在施加热能到热敏层时形成颜色,并且至少包括从以下群组中选择的一种
亚胺化合物:##STR1## 其中R.sub.1代表1到30个碳原子的烷基,苯基或取代苯基;R.sub.2代表氢或1到4个碳原子的烷基;R.sub.3代表1到30个碳原子的烷基;R.sub.4和R.sub.5分别代表氢、卤素原子、1到4个碳原子的烷基或1到4个碳原子的烷氧基;n是整数0或1,从而提高了热敏记录材料的图像形成方面的图像密度、图像形成所需能量的数量和热头操作,并且包括一种化合物,其表示式为:##STR2## 其中R.sub.6和R.sub.7分别代表10到30个碳原子的烷基,从而实现了通过压力或摩擦防止记录材料褪色。