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Received August 26, 2006
Accepted October 21, 2006
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Development of building materials by using micro-encapsulated phase change material
Korea Institute of Energy Research, Daejeon 305-343, Korea
jaegoo@kier.re.kr
Korean Journal of Chemical Engineering, March 2007, 24(2), 332-335(4), 10.1007/s11814-007-5054-8
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Abstract
Micro-encapsulated phase change material (Micro-PCM) could be used for high density thermal energy storage and also for PCM-building materials. Micro-PCM was prepared by in-situ polymerization at 60 oC after the emulsifying step by using 5 wt% Styrene Maleic Anhydride (SMA) solution as an emulsifier. The particle size of Micro-PCM decreased and the size uniformity was improved with an increase of the mixing intensity during emulsification. The average diameter of Micro-PCM was 5-20 μm. The thermal fluctuation of PCM-building materials such as gypsum and olefin film mixed with Micro-PCM was smoother and smaller than typical building materials without PCM.
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References
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