| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermosensitive recording body for confidential letters which realizes excellent confidentiality. <P>SOLUTION: The thermosensitive recording body for confidential letters includes a first sheet including a first base material and a first thermosensitive recording layer on the opposite side thereof, a pseudoadhesive layer, and a second sheet including a second base material, the second sheet including a concealing area which conceals the information to be recorded in the first thermosensitive layer, the second sheet characteristically adhering onto a part or the whole of the first thermosensitive layer via the pseudoadhesive layer, wherein the melting viscosity of the coloring ingredient in the thermosensitive recording layer characteristically is 60 mPa s or less at 130°C. <P>COPYRIGHT: (C)2010,JPO&INPIT |
