Clothing Temperature Changes of Phase Change Material-Treated Warm-up in Cold and Warm Environments

Choi Kyeyoun; Chung Hyejin; Lee Boram; Chung Kyunghee; Cho Gilsoo; Park Mikyung; Kim Yonkyu; Watanuki Shigeki

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자료유형: 학술저널

저자정보: Choi Kyeyoun (Department of Clothing and Textiles, Yonsei University) Chung Hyejin (Department of Clothing and Textiles, Yonsei University) Lee Boram (Department of Clothing and Textiles, Yonsei University) Chung Kyunghee (Department of Clothing and Textiles, Yonsei University) Cho Gilsoo (Department of Clothing and Textiles, Yonsei University) Park Mikyung (Department of Ergonomics, Kyushu University) Kim Yonkyu (Department of Ergonomics, Kyushu University) Watanuki Shigeki (Department of Ergonomics, Kyushu University)

저널정보: 한국섬유공학회 Fibers and Polymers Fibers and polymers 제6권 제4호

발행연도: 2005.1

수록면: 343 - 347 (5page)

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연구주제

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연구방법

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The purpose of this study was to investigate the appropriate amounts of phase change materials to give objective and subjective wear sensations. Vapor-permeable water-repellent fabrics with (WR-PCM) and without (WR) octadecane containing microcapsules were obtained by wet-porous coating process. Then, calculating the area of the WR-PCM treated clothes, we estimated the total calories of the clothing by multiplying the heat of fusion and heat of crystallization of PCM to the calculated area. Wear tests were conducted in both warm environment $(30^{\circ}C,\;65\%\;RH)$ and cold environment $(5^{\circ}C,\;65\%\;RH)$ with sports warm up style experimental garments made with WR and WR-PCM fabrics. Rectal, skin, and clothing microclimate temperatures, saliva and subjective evaluation measurements were done during the wear test. There was no difference of rectal and mean skin temperatures between WR and WR-PCM, but the clothing microclimate temperature of WR-PCM under warm environment was slightly lower than that of WR. In cold environment, WR-PCM showed much higher temperature than in WR. Saliva change did not appear between clothes, but did between two environments. Although subjective sensation between WR and WR-PCM was not significantly different, WR-PCM was rated as cooler than WR in warm environment and as warmer than WR in cold environment. The results of this study indicated that octadecane containing microcapsules in water-repellent fabric provide cooling effect.

#Phase change materials #Microcapsule #Microclimate #Subjective evaluation

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