期刊
THERMOCHIMICA ACTA
卷 490, 期 1-2, 页码 47-50出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2009.02.015
关键词
Resilient materials; Thermal conductivity; Floor impact sound; Heat flow meter (HFM)
The floor system of apartments must have a certain level of floor impact sound performance (lightweight impact sound is 580 or less, heavy-weight impact sound is 50 dB or less), and comply with the building energy code to prevent energy loss in residential buildings in Korea. In this study, expanded polystyrene (EPS), expanded polypropylene (EPP), ethylene-vinyl acetate copolymer (EVA), polyethylene (PE) and urethane foam, which are widely used in Korea as resilient materials for floating floor system of apartments, were measured. Their thermal conductivity and apparent density were measured to analyze their thermal properties and their relation was analyzed by material. In case of resilient materials made of EPS and EPP, thermal conductivity tended to decrease as apparent density increased, whereas in case of resilient materials made of EVA and PE, as apparent density increased, thermal conductivity tended to increase as well. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
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