| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a color developer substance for thermosensitive recording which excels in image preservability, especially in plasticizer resistance, and further excels in undeveloped part preservability, especially in heat resistance. <P>SOLUTION: The color developer substance for thermosensitive recording contains a diphenylsulfone-crosslinking type compound, represented by general formula (1) (where n is an integer of 1 to 6), and the diphenylsulfone-crosslinking type compound contains a compound represented by the general formula, where n=1 and a compound represented by the general formula (1), where n=2 and with ≥50 mass% in total amount. <P>COPYRIGHT: (C)2010,JPO&INPIT |
