| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermal recording material having high sensitivity and excellent storage stability. SOLUTION: In the thermal recording material comprising a thermal recording layer containing a leuco dye and a developer for color developing at the time of heating the dye as main components on a support, the developer is a copolymer containing (meth)acrylate of bis(4-hydroxyphenyl)sulfone, and a glass transition point of the copolmer is in a range of 50 to 80 deg.C. |
