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J. Korean Ceram. Soc. > Volume 48(5); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(5): 404.
doi: https://doi.org/10.4191/kcers.2011.48.5.404
마이크로셀룰라 경량 조습타일의 특성 고찰
송인혁, 이은정, 김해두, 김영욱1, 윤달웅2
재료연구소 엔지니어링세라믹그룹
1서울시립대학교 신소재공학과
Investigation on the Properties of a Microcellular Light-Weighted Humidity Controlling Tile
In-Hyuck Song, Eun-Jung Lee, Hai-Doo Kim, Young-Wook Kim1, Dal-Woong Yun2
Engineering Ceramics Research Group, Korea Institute of Materials Science
1Department of Materials Science and Engineering, the University of Seoul
2Namgang Ceramics
The humidity controlling ceramic materials was developed by applying the phenomena of dew condensation in the capillary. It is said that the humidity range which human feels comfortable is from 40 to 70% in relative humidity. In this study, the ceramic tile using natural soils such as diatomite for interior wall was investigated. In particular, we had introduced novel processing routes for fabricating microcellular ceramics tile using hollow microsphere as a pore former. The microcellular pores in the humidity controlling ceramic materials showed the superior properties such as light-weight, heat insulation. The cell density was ${sim}1.0{times}10^9$ cells/$cm^3$ and density of sample was 0.65 g/$cm^3$ in the case of 1.71 wt% hollow microsphere content. Also, it is observed that the BET surface area and the pore volume of the sintered diatomite tile have the values of 40.92 $m^2$/g and 0.173 $cm^3$/g.
Key words: Porous materials, Humidity, Diatomite, Adsorption
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