| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coolant capable of estimating, by change of color, its cooled state in cooling in a refrigerator or a freezer and remaining cooling capacity of the coolant in use. <P>SOLUTION: The coolant comprises a gel coolant 11 having transparency and a plurality of microcapsules 12 containing a reversibly temperature-indicating agent, wherein the microcapsules 12 are dispersed in the coolant 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
