| 摘要 |
The present invention provides a recording material utilizing the color forming reaction between a colorless or light-colored basic dye and a color acceptor reactive with the dye to form a color and forming on the same or different substrate a layer or layers containing the basic dye and the color acceptor conjointly or separately, the recording material being characterized in that the color acceptor is at least one of salicylic acid derivatives represented by the following formula [I] or polyvalent metal salts thereof <CHEM> wherein X is straight-chain or branched-chain C1 SIMILAR 12 alkylene or C5 SIMILAR 12 cycloalkylene, R is C1 SIMILAR 20 alkyl having or not having a substituent or C2 SIMILAR 20 alkenyl having or not having a substituent, Y is C1 SIMILAR 6 alkyl, C2 SIMILAR 6 alkenyl, C7 SIMILAR 10 aralkyl or halogen atom, Z is C1 SIMILAR 6 alkyl, C2 SIMILAR 6 alkenyl, C7 SIMILAR 10 aralkyl, C1 SIMILAR 6 alkoxyl, cyclohexyl, phenyl, phenoxy or halogen atom, l is an integer of 1 to 3, m is zero or an integer of 1 to 4, n is zero or an integer of 1 to 3. |
