| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a liquid composition having a thermosensitive color-changing property and a color-memorizing property, or in detail one that has a color changing function of showing a great magnitude of hysteresis characteristic by temperature change to demonstrate a reversible color change of color development and color disappearance, and of holding interchangeably and reversibly either of the colored state and the state of color disappearance even after the application of the heat or cold energy required to bring the color change is ceased. <P>SOLUTION: The liquid composition having the thermosensitive color-changing property and color-memorizing property consists of a microcapsule pigment (mentioned below) and a vehicle containing a resin. The microcapsule pigment occludes a composition having the thermosensitive color-changing property and color-memorizing property, the composition comprising a homogeneous compatibilized mix between (1) an electron-donative color developing organic compound, (2) an electron-receptive compound, and (3) an ester compound represented by general formula (1) (wherein R indicates a≥4C alkyl or alkenyl group) as a reaction medium controlling the coloration reaction of the above (1) and (2). <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
