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논문 기본 정보

자료유형
학술저널
저자정보
이상철 (한국신발피혁연구원) 김관용 (한국신발피혁연구원) 정득준 (한국신발피혁연구원)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제38권 제5호
발행연도
2021.10
수록면
387 - 394 (8page)
DOI
https://doi.org/10.9786/kswm.2021.38.5.387

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초록· 키워드

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This study investigated the use of leather shaving scraps, which is inevitably produced during leather processing, in an upcycling technology. Particularly, this study investigated the development of eco-friendly ceiling panels material as alternatives to currently used built-in gypsum ceiling panels for building construction. Existing gypsum ceiling panels exhibit very poor moisture absorption characteristics, which increase the cost of raw materials during the manufacturing process. In addition, exposure to radon, which is present in the raw materials used for the manufacturing of phosphoric acid gypsum, poses hazardous risks to the human body, such as lung cancer and stomach cancer. Moreover, the release these raw materials into the environment results in secondary pollution in high-moisture environment, as these materials facilitate the growth of fungi. Furthermore, gypsum ceiling panels exhibit a poor durability owing to their weak impact strength. In addition, the high production cost of gypsum has restricted its continuous mass production for building construction materials. To address these problems, this study employed a pulverization process to mix, cross-link, and vulcanize leather waste and rubber to fabricate ceiling panels materials for building construction using a dry method. The fabricated panel materials exhibited good strength, flame retardancy, waterproofness, and radon-free properties. The upcycling technology proposed in this study is an eco-friendly, halogen-free method that utilizes leather waste as the main raw material and aluminum hydroxide as a flame retardant. The cross-linking characteristics of the material with a change in the filler and cross-linking system were analyzed. In addition, the manufacturing characteristics and physical properties of the ceiling panels with a change in the flame retardants were investigated. The results revealed that the manufactured ceiling panels with the optimal formulation satisfied the UL-94 standard, and exhibited a hardness of 55 D and density of 1.339.

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