| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide reversible thermochromic stationery putting a non-allochroic appearing-disappearing image in an invisible or visible state with a change in temperature and also makes it possible to visually recognize the clear non-allochroic appearing-disappearing image not being affected by the turbidity brought about by a reversible thermochromic material and which is excellent in a decorative effect. <P>SOLUTION: In regard to stationery which has a reversible thermochromic layer provided on the surface of the stationery 2 and containing a reversible thermochromic composition and makes the color change from a color (1) to a color (2) with the change in temperature, the reversible thermochromic stationery 1 is constituted by providing on the reversible thermochromic layer the non-allochroic appearing-disappearing image 3 which has a color being the same as or approximate to either the color (1) or the color (2). <P>COPYRIGHT: (C)2008,JPO&INPIT |
