| 摘要 |
PURPOSE:To improve the storage stability of an undeveloped color part and a developed color image, in a thermal recording material containing an electron donating color forming, compd. and an electron acceptive compd., by adding one of a salicylic acid derivative having a specific structure and a metal salt thereof as the electron acceptive compd. CONSTITUTION:In a thermal recording material containing an electron donating color forming compd. and an electron acceptive compd., at least one of a salicylic acid derivative represented by the formula (wherein A is a divalent aliphatic group or a divalent aromatic group and X1 and X2 are H, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group or an aryl group) and a metal salt thereof is used as the electron acceptive compd. As a result, the thermal recording material excellent in the storage stability of an undeveloped color part and a developed color image and enhanced in color forming sensitivity can be obtained. |
