| 摘要 |
A heat-sensitive recording material which has a heat-sensitive recording layer formed on a surface of a substrate, the recording layer comprising a basic chromogenic dye precursor and a developer, wherein as the developer, there is used a mixture comprising 5 to 95 wt% of 2,2-dimethyl-1,3-bis(4-hydroxybenzoyloxy)propane and 95 to 5 wt% of 4,4'-hydroxydiphenyl sulfone. |
