| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat sensitive recording material excellent in preservability and coloring sensibility. SOLUTION: In the heat sensitive recording material, in which a heat sensitive coloring layer consisting of microcapsules, each containing a basic leuco dye and an organic solvent, and a developer is provided on a support, the unsolved matter of a dye is present as the involved matter of the microcapsules. |
