| 摘要 |
PROBLEM TO BE SOLVED: To provide a production method of a heat storage microcapsule having a particle size of 200-2,000 microns, excellent in mechanical strength, and suppressing overcooling; and to provide a microcapsule obtained by the method, and a utilization method thereof.SOLUTION: A porous microcapsule having a structure of 200-2,000 microns in which overcooling is suppressed is filled with a PCM medium, and an inner wall is formed of at least either of a polyurea film and a polyurethane film, and a skin film is formed of a polyamide film, to thereby obtain a microcapsule.SELECTED DRAWING: Figure 1 |
