| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a recording medium set having excellent convenience and reusability by which a user directly writes content to be recorded in a recording medium on a display part and changes the written content easily and reliably when an incorrect content is corrected and the recorded content is changed. <P>SOLUTION: The recording medium set comprises a writing tool storing an ink which can be decolored by heating and a recording medium having a space to be written by the writing tool. The writing tool stores the ink including a microcapsule pigment which contains a reversibly thermochromic composition composed of at least (a) an electron-donating coloring organic compound, (b) an electron-accepting compound and (c) a reaction medium controlling coloring reaction of the compounds of (a) and (b) and changes from a chromatic state to an achromatic state by heating. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
