| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermal recording sheet for a plastic card laminate which restrains ground fogging caused by heating at a time of forming a card and excels in whiteness, in a plastic card formed by thermal welding. <P>SOLUTION: In the thermal recording sheet having, on an over-sheet for a plastic card laminate, a thermal recording layer containing mainly a thermal recording component which is reacted with heating to develop colors, the thermal recording component is composed of two or more compounds, and one or more types of compounds composing the thermal recording components exist in the thermal recording layer in the state of particles having a polymer layer on the surface. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
