| 摘要 |
PURPOSE:To provide a thermosensitive composition for reversible color develop ment in which a color is developed by heating for a short time and is extinguished by heating for a long time. CONSTITUTION:A thermosensitive composition for reversible color development contains a leuco compound, an amphoteric compound which has either a phenolic hydroxyl group or a carboxyl group, an amino group as a functional group or as a part of chloride, and a basic compound. |
