| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermochromic color-memory composition and a microcapsule pigment including it. <P>SOLUTION: The thermochromic color-memory composition comprises a homogeneously mixed material of (a) an electron-donating colorific organic compound, (b) an electron-accepting compound and (c) a compound, as a medium, expressed by the formula (1); and the microcapsule pigment includes the above composition. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
