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Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions

Lignocelluloses based natural fibers composites are very prone to water absorption due to OH functional group within cellulose and hemicelluloses of natural fibers. In this work, the water retention in the kenaf/polypropylene (kenaf /PP) composite due to repeated immersion and drying are studied. Th...

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Main Authors: Wan Hussin, Wan Mohamad Haniffah, Abdan, Khalina, Salit, Mohd Sapuan
Format: Article
Language:English
Published: Trans Tech Publications 2011
Online Access:http://psasir.upm.edu.my/id/eprint/22972/1/Water%20retention%20in%20kenafpolypropylene%20composites%20due%20to%20repeated%20immersion%20and%20drying%20conditions.pdf
http://psasir.upm.edu.my/id/eprint/22972/
http://www.scientific.net/KEM.471-472.438
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spelling my.upm.eprints.229722015-12-09T08:41:08Z http://psasir.upm.edu.my/id/eprint/22972/ Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions Wan Hussin, Wan Mohamad Haniffah Abdan, Khalina Salit, Mohd Sapuan Lignocelluloses based natural fibers composites are very prone to water absorption due to OH functional group within cellulose and hemicelluloses of natural fibers. In this work, the water retention in the kenaf/polypropylene (kenaf /PP) composite due to repeated immersion and drying are studied. The composites (40%, 50%, 60% and 70% fiber loading) are immersed in the water and then dried in room condition (24°C and 48 % humidity) for 4 cycles (1 cycle is 10 days of immersion and drying). The parameters are 8\2 (imply 8 days immersion\ 2 days drying), 6\4, 4\6 and 2\8 per cycle. Continuous immersion (100% immersion) is used as a reference of water absorption behavior of the composite. The results for 70% fiber loading under minimum drying days of 8\2, shows that the water retention reduced to 36% from the water absorbed and further drying only reduced to 31%. When the experiment are repeated for several cycles, 70% fiber loading composites shows a decreasing pattern in water retention at the second cycle whereas 40% fiber loading composite showing an increasing pattern. Duration of immersion\drying does play an important role in the amount of water retention in the composite. The water retention of the composites either show an increasing or decreasing pattern depending on kenaf fiber loading and repetition of the immersion\drying for several cycles. Trans Tech Publications 2011 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/22972/1/Water%20retention%20in%20kenafpolypropylene%20composites%20due%20to%20repeated%20immersion%20and%20drying%20conditions.pdf Wan Hussin, Wan Mohamad Haniffah and Abdan, Khalina and Salit, Mohd Sapuan (2011) Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions. Key Engineering Materials, 471-472. pp. 438-443. ISSN 1013-9826; ESSN: 1662-9795 http://www.scientific.net/KEM.471-472.438 10.4028/www.scientific.net/KEM.471-472.438
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Lignocelluloses based natural fibers composites are very prone to water absorption due to OH functional group within cellulose and hemicelluloses of natural fibers. In this work, the water retention in the kenaf/polypropylene (kenaf /PP) composite due to repeated immersion and drying are studied. The composites (40%, 50%, 60% and 70% fiber loading) are immersed in the water and then dried in room condition (24°C and 48 % humidity) for 4 cycles (1 cycle is 10 days of immersion and drying). The parameters are 8\2 (imply 8 days immersion\ 2 days drying), 6\4, 4\6 and 2\8 per cycle. Continuous immersion (100% immersion) is used as a reference of water absorption behavior of the composite. The results for 70% fiber loading under minimum drying days of 8\2, shows that the water retention reduced to 36% from the water absorbed and further drying only reduced to 31%. When the experiment are repeated for several cycles, 70% fiber loading composites shows a decreasing pattern in water retention at the second cycle whereas 40% fiber loading composite showing an increasing pattern. Duration of immersion\drying does play an important role in the amount of water retention in the composite. The water retention of the composites either show an increasing or decreasing pattern depending on kenaf fiber loading and repetition of the immersion\drying for several cycles.
format Article
author Wan Hussin, Wan Mohamad Haniffah
Abdan, Khalina
Salit, Mohd Sapuan
spellingShingle Wan Hussin, Wan Mohamad Haniffah
Abdan, Khalina
Salit, Mohd Sapuan
Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
author_facet Wan Hussin, Wan Mohamad Haniffah
Abdan, Khalina
Salit, Mohd Sapuan
author_sort Wan Hussin, Wan Mohamad Haniffah
title Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
title_short Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
title_full Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
title_fullStr Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
title_full_unstemmed Water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
title_sort water retention in kenaf/polypropylene composites due to repeated immersion and drying conditions
publisher Trans Tech Publications
publishDate 2011
url http://psasir.upm.edu.my/id/eprint/22972/1/Water%20retention%20in%20kenafpolypropylene%20composites%20due%20to%20repeated%20immersion%20and%20drying%20conditions.pdf
http://psasir.upm.edu.my/id/eprint/22972/
http://www.scientific.net/KEM.471-472.438
_version_ 1643827928953257984
score 13.211869

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