| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermosensitive recording body which has good recording sensitivity and image quality, excellent oil resistance and plasticizer resistance of a recording part and excellent thermal background fogging resistance under high temperature environments and recording sensitivity after blank paper storage at high temperature and high humidity.SOLUTION: There is provided a thermosensitive recording body which has a thermosensitive recording layer containing a leuco dye and a coloring agent on a support, wherein the thermosensitive recording layer contains 4-allyloxy-4'-hydroxydiphenyl sulfone and N-[2-(3-phenylureido)phenyl]benzenesulfonamide. It is preferable that 4-allyloxy-4'-hydroxydiphenyl sulfone is contained in a ratio of 1 to 250 pts.mass based on 100 pts.mass of N-[2-(3-phenylureido)phenyl]benzenesulfonamide.SELECTED DRAWING: None |
