| 摘要 |
A thermosensitive recording material having a high thermosensitivity and useful for recording thereon colored images having high storage persistency, comprises a thermosensitive colored image-forming layer formed on a surface of a substrate sheet and comprising a colorless dye precursor; a color-developing aromatic compound having, per molecule thereof, at least one arylsulfonylureido group of the formula (I): <IMAGE> (I) wherein R1=aromatic group unsubstituted or substituted with at least one of lower alkyl and lower alkoxyl group and hologen atoms; a sensitizing aromatic amide compound of the formula (II): <IMAGE> (II) wherein Ar1, Ar2=non-substituted phenyl or naphthyl group or substituted phenyl or naphthyl group with 1 to 3 substituent selected from aryl, aryloxy, aralkyl, alkyl, alkoxyl, trihalogenomethyl, nitro and alkylamino groups and halogen atoms; and a binder.
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