| 摘要 |
A heat-sensitive recording material which comprises in its color reactant system, as developer for the color former, at least one aluminum or zinc salt of a phenolsulfonyl compound of the formula <IMAGE> (1) wherein R is C1-C12alkyl, cycloalkyl, phenyl, benzyl, or phenyl which is substituted by halogen, lower alkyl, lower alkoxy, nitro or methylenedioxy, and X is hydrogen, halogen, lower alkyl or lower alkoxy. |
