| 摘要 |
PROBLEM TO BE SOLVED: To provide a futon containing far-infrared fibers as batting, and having a heat build-up property in addition to a heat insulation property.SOLUTION: A futon 1 comprises a batting 7 mainly composed of plumes and feathers and a small amount of far-infrared fibers having a core-sheath structure in which carbon black is used as a core part and an acrylic resin is used as a sheath part. The futon 1 is inexpensive and has a soft touch, and also has a characteristic of generating heat in response to body temperature. Therefore, it can maintain pleasant feeling in bed because it releases little heat even when the user tosses about in bed and its heat insulation property is not spoiled. |
