| 摘要 |
A thermal recording sheet comprises a substrate provided with a thermal color developing layer containing colorless or pale colored basic chromogenic dye, a color developer of Formula (I); <CHEM> (wherein R represents propyl, isopropyl or butyl) and at least one of o-xylylene-bis-(phenylether) and 4-(m-methylphenoxymethyl) bisphenyl as a sensitizer. |
