Disclosed is a thermosensitive recording material comprising a sheet-shaped support and a thermosensitive recording layer which is formed on at least one surface of the support and comprises a colorless or light-colored dye precursor and a color developer capable of reacting with the dye precursor and inducing color formation therein upon application of heat thereto, the color developer comprising a compound represented by the following formula (I) or analog thereof::The thermosensitive recording material has high sensitivity and can prevent white background portions from coloring and recorded images from decolorizing in an environmental resistance test.
本发明揭示了一种热敏记录材料,包括一种片状支撑和一种热敏记录层,该热敏记录层形成在支撑的至少一个表面上,并包括一种无色或浅色
染料前体和一种能够与
染料前体反应并在施加热量后在其中诱导颜色形成的
显色剂,其中
显色剂包括由以下
化学式(I)或其类似物表示的化合物:该热敏记录材料具有高灵敏度,并且可以防止白色背景部分着色和记录图像在环境抗性测试中褪色。