Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations

Following rapid technological and industrial development, factories have been equipped with a great deal of machines. The blend of industrial and residential areas in turn resulted in many environmental problems. In particular, machine operation causes noise pollution that easily causes physiologica...

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Main Authors:	C., H. Huang, C., W. Lou, Y., C. Chuang, C., F. Liu, Z., C. Yu, J., H. Lin
Format:	Article
Language:	English
Published:	Universiti Kebangsaan Malaysia 2015
Online Access:	http://journalarticle.ukm.my/9499/ http://journalarticle.ukm.my/9499/ http://journalarticle.ukm.my/9499/1/15_C.H._Huang_.pdf

id	ukm-9499
recordtype	eprints
spelling	ukm-94992016-12-14T06:50:07Z http://journalarticle.ukm.my/9499/ Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations C., H. Huang C., W. Lou Y., C. Chuang C., F. Liu Z., C. Yu J., H. Lin Following rapid technological and industrial development, factories have been equipped with a great deal of machines. The blend of industrial and residential areas in turn resulted in many environmental problems. In particular, machine operation causes noise pollution that easily causes physiological and psychological discomfort for the human body thus makes noise abatement a crucial and urgent issue. In this study, vermiculite functional fillers were added to polyurethane (PU) foam mixtures in order to form sound absorbent PU foams. The correlations between the contents of functional fillers and the sound absorption of flexible and rigid PU foams were then examined. The optimal PU foams were combined with PET/carbon fiber matrices in order to yield the electromagnetic shielding effectiveness. The sound absorption, noise reduction coefficient (NRC), electromagnetic shielding effectiveness and resilience rate of the composite boards were finally evaluated. The test results indicated that rigid PU foam composites can reach a sound absorption coefficient of 0.8 while the flexible PU foam composites have higher mechanical properties. Universiti Kebangsaan Malaysia 2015-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/9499/1/15_C.H._Huang_.pdf C., H. Huang and C., W. Lou and Y., C. Chuang and C., F. Liu and Z., C. Yu and J., H. Lin (2015) Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations. Sains Malaysiana, 44 (12). pp. 1757-1763. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid44bil12_2015/KandunganJilid44Bil12_2015.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Following rapid technological and industrial development, factories have been equipped with a great deal of machines. The blend of industrial and residential areas in turn resulted in many environmental problems. In particular, machine operation causes noise pollution that easily causes physiological and psychological discomfort for the human body thus makes noise abatement a crucial and urgent issue. In this study, vermiculite functional fillers were added to polyurethane (PU) foam mixtures in order to form sound absorbent PU foams. The correlations between the contents of functional fillers and the sound absorption of flexible and rigid PU foams were then examined. The optimal PU foams were combined with PET/carbon fiber matrices in order to yield the electromagnetic shielding effectiveness. The sound absorption, noise reduction coefficient (NRC), electromagnetic shielding effectiveness and resilience rate of the composite boards were finally evaluated. The test results indicated that rigid PU foam composites can reach a sound absorption coefficient of 0.8 while the flexible PU foam composites have higher mechanical properties.
format	Article
author	C., H. Huang C., W. Lou Y., C. Chuang C., F. Liu Z., C. Yu J., H. Lin
spellingShingle	C., H. Huang C., W. Lou Y., C. Chuang C., F. Liu Z., C. Yu J., H. Lin Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
author_facet	C., H. Huang C., W. Lou Y., C. Chuang C., F. Liu Z., C. Yu J., H. Lin
author_sort	C., H. Huang
title	Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
title_short	Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
title_full	Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
title_fullStr	Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
title_full_unstemmed	Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
title_sort	rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations
publisher	Universiti Kebangsaan Malaysia
publishDate	2015
url	http://journalarticle.ukm.my/9499/ http://journalarticle.ukm.my/9499/ http://journalarticle.ukm.my/9499/1/15_C.H._Huang_.pdf
first_indexed	2023-09-18T19:55:03Z
last_indexed	2023-09-18T19:55:03Z
_version_	1777406473747300352

Rigid/flexible polyurethane foam composite boards with addition of functional fillers: acoustics evaluations

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