Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam

Rigid palm oil-based polyurethane/kenaf fibre biocomposite foams were prepared at various amounts of kenaf fibre (i.e. 2.5, 5.0, 7.5, 10.0 and 12.5 pphp). Effects of kenaf fibre (KF) loadings on thermal stabilities and compressive strength were investigated. The peaks detected by Fourier transform i...

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Main Authors: Majid, R. A., Akhir, F. S. M., Ghazali, S. K., Mohamad, Z.
Format: Article
Language:English
Published: Italian Association of Chemical Engineering - AIDIC 2020
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Online Access:http://eprints.utm.my/id/eprint/86431/1/RohahAbdMajid2020_ThermalStabilityandCompressionStrengthofRigid.pdf
http://eprints.utm.my/id/eprint/86431/
https://dx.doi.org/10.3303/CET2078063
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Institution: Universiti Teknologi Malaysia
Language: English
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spelling my.utm.864312020-09-09T07:10:18Z http://eprints.utm.my/id/eprint/86431/ Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam Majid, R. A. Akhir, F. S. M. Ghazali, S. K. Mohamad, Z. TP Chemical technology Rigid palm oil-based polyurethane/kenaf fibre biocomposite foams were prepared at various amounts of kenaf fibre (i.e. 2.5, 5.0, 7.5, 10.0 and 12.5 pphp). Effects of kenaf fibre (KF) loadings on thermal stabilities and compressive strength were investigated. The peaks detected by Fourier transform infrared (FTIR) at 3,310 cm-1 (OH stretching), 1,533 cm-1 (NH bending) and 1,510 cm-1 (CN stretching) had proved the formation of urethane linkages in the system. Results from thermogravimetric analysis (TGA) showed that the thermal stabilities of biocomposite foams were higher than that of control PU foam. Higher KF contents resulted in agglomeration of which reduced the rate of heat transfer throughout the system. The presence of intrahydrogen bonds in agglomerated KF caused more heat needs to break the bonds, thus increasing the thermal stabilities. Consequently, the agglomeration of KF created stress concentration, which reduced the compression strength of the foams with respect to the control PU foam. The presence of intra-hydrogen bonding in PU chains had surpassed the agglomeration effect, thus causing just a small reduction percentage. The foams have potentials to be used in non-load bearing applications such as insulators and wall panels. Italian Association of Chemical Engineering - AIDIC 2020 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/86431/1/RohahAbdMajid2020_ThermalStabilityandCompressionStrengthofRigid.pdf Majid, R. A. and Akhir, F. S. M. and Ghazali, S. K. and Mohamad, Z. (2020) Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam. Chemical Engineering Transactions, 78 . pp. 373-378. ISSN 2283-9216 https://dx.doi.org/10.3303/CET2078063 DOI:10.3303/CET2078063
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Majid, R. A.
Akhir, F. S. M.
Ghazali, S. K.
Mohamad, Z.
Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
description Rigid palm oil-based polyurethane/kenaf fibre biocomposite foams were prepared at various amounts of kenaf fibre (i.e. 2.5, 5.0, 7.5, 10.0 and 12.5 pphp). Effects of kenaf fibre (KF) loadings on thermal stabilities and compressive strength were investigated. The peaks detected by Fourier transform infrared (FTIR) at 3,310 cm-1 (OH stretching), 1,533 cm-1 (NH bending) and 1,510 cm-1 (CN stretching) had proved the formation of urethane linkages in the system. Results from thermogravimetric analysis (TGA) showed that the thermal stabilities of biocomposite foams were higher than that of control PU foam. Higher KF contents resulted in agglomeration of which reduced the rate of heat transfer throughout the system. The presence of intrahydrogen bonds in agglomerated KF caused more heat needs to break the bonds, thus increasing the thermal stabilities. Consequently, the agglomeration of KF created stress concentration, which reduced the compression strength of the foams with respect to the control PU foam. The presence of intra-hydrogen bonding in PU chains had surpassed the agglomeration effect, thus causing just a small reduction percentage. The foams have potentials to be used in non-load bearing applications such as insulators and wall panels.
format Article
author Majid, R. A.
Akhir, F. S. M.
Ghazali, S. K.
Mohamad, Z.
author_facet Majid, R. A.
Akhir, F. S. M.
Ghazali, S. K.
Mohamad, Z.
author_sort Majid, R. A.
title Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
title_short Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
title_full Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
title_fullStr Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
title_full_unstemmed Thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
title_sort thermal stability and compression strength of rigid polyurethane/kenaf fibre biocomposite foam
publisher Italian Association of Chemical Engineering - AIDIC
publishDate 2020
url http://eprints.utm.my/id/eprint/86431/1/RohahAbdMajid2020_ThermalStabilityandCompressionStrengthofRigid.pdf
http://eprints.utm.my/id/eprint/86431/
https://dx.doi.org/10.3303/CET2078063
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