| 摘要 |
A thermosensitive reversible recording material capable of forming and holding clear colored images with a high contrast and capable of being repeatedly color-developed and color-erased many times, has a thermosensitive recording layer formed on substrate sheet and including (A) at least one reversibly color-developing and -erasing compound selected from those of the formulae (I), (II) and (III), and (B) at least one dye precursor compound of the formula (IV). R1=naphyl or lower alkoxy-substituted phenyl group Y1, Y2=-NHCO-, -SCONH-, -CONHCO-, etc., n, m, p=10 to 29, R2, R3, R4, R5=C1-C9 alkyl, C3-C6 cycloalkyl or substituted or non-substituted phenyl group, R6, R7=C1-C6 alkyl or phenyl group.
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