| 摘要 |
PROBLEM TO BE SOLVED: To develop a heat-sensitive recording material generating little fog and provided with superior coloring properties and storage properties. SOLUTION: A heat-sensitive recording material is provided with a heat- sensitive coloring layer containing usually a colorless or a light-color coloring compound and a developing compound capable of making the coloring compound develop color at the time of being heated and formed on a substrate, and a 4,4'-dihydroxydiphenyl sulfone or a 2,4'-dihydroxyphenyl sulfone and an N-(4- methylphenyl)acetoamide are contained therein. |
