| 摘要 |
The present invention is a thermally sensitive recording medium which has excellent anti ultra violet ray property, mainly composed of an electron donating compound and an electron accepting compound, containing at least one of benzoxadinone compound represented by general formula (1) as an ultra violet ray absorbing agent.In the above mentioned formula, R represents hydrogen atom, hydroxyl group, alkyl group of carbon number 1-8, alkoxy group of carbon number 1-6, acyl group of carbon number 1-6, acyloxy group of carbon number 1-6, alkoxy carbonyl group of carbon number 1-6, carboxyl group, halogen atom or nitro group and X represents a divalent group or a direct bond.
|
