| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat-sensitive recording material which shows excellent image conservation properties even at a bright spot. <P>SOLUTION: In the heat-sensitive recording material having at least a simple heat-sensitive recording layer formed on a support, at least a single layer of the heat-sensitive recording layer contains at least one kind of an electron- receptive compound represented by formula (1) [wherein R<SP>1</SP>and R<SP>2</SP>are each independently a hydrogen atom, an alkyl group or an aryl group, and Ar is represented by formula (2) together with an electron-donative colorless dye (wherein R<SP>11</SP>to R<SP>14</SP>are each independently a hydrogen atom or a 1-4C alkyl group or aryl group)]. <P>COPYRIGHT: (C)2003,JPO |
