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:
1
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.
本发明公开了一种热敏记录材料,包括一片状支撑体和形成在支撑体至少一表面上的热敏记录层,该热敏记录层包括无色或浅色
染料前体和能够与
染料前体反应并在施加热能时诱导其中颜色形成的
显色剂,其中
显色剂包括下式(I)所表示的化合物或其类似物。该热敏记录材料具有高灵敏度,并且可以在环境抗性测试中防止白色背景部分着色和记录的图像褪色。