| 摘要 |
A heat-sensitive recording material wherein a color-forming layer comprising a coupling substance which is usually colorless or light-colored and a developer which gives rise to color in the coupling substance upon heating further contains, as a sensitizer, a tetrahydronaphthalene compound of the following general formula (I): <IMAGE> (I) wherein X represents an alkylene group, -O-CO-O-, -O-CO- or -O-R'nY-, n represents 1 or 2, Y represents -O- or -S-, R' represents an alkylene group, and R represents a phenyl, alkylphenyl or tetrahydronaphthyl group. |
