| 摘要 |
PURPOSE:To provide a heat-sensitive recording sheet on which a felt pen with an aqueous fluorescent ink can be used to write in vivid color and which has an excellent writing preservation property of images at the same time. CONSTITUTION:For a heat-sensitive recording sheet for which a heat-sensitive coloring layer, of which the principal ingredients are a colorless or light-colored basic colorless dye and an organic developer, is provided, as the organic developer, 4-hydroxy-beta--naphthalenesulfonate is contained, and also a diphenyl sulfone derivative is contained. |
