Fashion & Textile Research Journal (한국의류산업학회지)

The Society of Fashion and Textile Industry (한국의류산업학회)
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Analysis of Changes in Temperature and Humidity by Material Combination Using 3D Printing

3D 프린팅을 활용한 재료조합에 따른 온습도 변화 분석

  • Lee, Heeran (Dept. of Material Design Engineering, Kumoh National Institute of Technology) ;
  • Kim, Soyoung (Advanced Material Research Center, Kumoh National Institute of Technology) ;
  • Lee, Yejin (Dept. of Clothing and Textiles, Chungnam National University) ;
  • Lee, Okkyung (Research Institute of Human Ecology, Chungnam National University)
  • 이희란 (금오공과대학교 소재디자인공학과) ;
  • 김소영 (금오공과대학교 신소재연구소) ;
  • 이예진 (충남대학교 의류학과) ;
  • 이옥경 (충남대학교 생활과학연구소)
  • Received : 2021.10.14
  • Accepted : 2021.12.17
  • Published : 2022.02.28
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Abstract

Recently, various clothing items are being developed using 3D printing technology, but comfort has become an issue while wearing them for a long time. Therefore, this study researched on how the temperature and humidity of the devices developed by 3D printing change depending on the material combination. Five types of material combinations (EVA foam, TPU density 10%, TPU density 30%, EVA foam+TPU density 10%, and EVA foam+TPU density 30%) were selected as variables, and the experiment was conducted for two different cases with and without a cover. All the ten types of samples were placed on the hot plate set at 36℃, and the surface temperature and humidity were measured at three different points for 10 minutes. As a result, the case with only TPU showed the greatest temperature change while the case with 100% EVA foam showed the least temperature change. The humidity of the surface layer gradually decreased with time for 100% EVA foam. For the case with TPU materials, the moisture was transferred to the surface layer at first, thereby increasing the humidity but then dropped significantly. Meanwhile, the cases with the cover on showed similar tendencies of change in both temperature and humidity where the overall temperature and humidity delivery were slow.

Keywords

Acknowledgement

이 논문은 2020년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업임(NRF-2020R1I1A3073843).

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