The temperature-sensing and color-changing property color-memorizing property constituent and the temperature-sensing and color-changing property color-memorizing property micro capsule pigment null which contains that

摘要

PPROBLEM TO BE SOLVED: To provide a thermochromic color-memory composition and a microcapsule pigment including it. PSOLUTION: 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. PCOPYRIGHT: (C)2006,JPO&NCIPI