| 摘要 |
PURPOSE:To obtain a multicolor thermal recording body being excellent in he property of color fraction. CONSTITUTION:A multicolor thermal recording body in which at least a high- temperature coloring layer, an medium-temperature coloring layer, an intermediate layer and a low-temperature coloring layer are laminated sequentially on a substrate and in which the high-temperature coloring layer is made to contain a red-coloring leuco dye and a coloring agent, the medium-temperature coloring layer made to contain a diazonium compound and a blue-coloring coupler compound, the intermediate layer made to contain a pigment and an adhesive, and the low-temperature coloring layer made to contain the diazonium compound and a yellow-coloring coupler compound. |
