| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermal recording material which has a high sensitivity, causes little background fogging and has chemical resistance (particularly plasticizer resistance) and is free from discoloration with time of a low-energy printing coloring part and discoloration thereof due to light. <P>SOLUTION: The thermal recording material contains 4-hydroxy-4'-allyloxydiphenylsulfone, 4,4'-dihydroxydiphenylsulfone and a diphenylsulfone derivative expressed by general formula (I) in a thermal coloring layer on a substrate. <P>COPYRIGHT: (C)2008,JPO&INPIT |
