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Effect of fiber treatment on mechanical properties of kenaf fiber-ecoflex composites


Ibrahim, Nor Azowa and Hadithon, Kamarul Ariffin and Abdan, Khalina (2010) Effect of fiber treatment on mechanical properties of kenaf fiber-ecoflex composites. Journal of Reinforced Plastics and Composites, 29 (14). pp. 2192-2198. ISSN 0731-6844; ESSN: 1530-7964


The composite material based on whole stem kenaf fiber (WSK) and Ecoflex (biodegradable thermoplastic) were prepared by melt blending technique and characterized. The composites were prepared using different fiber loadings and the fiber was treated with various concentrations of NaOH solution by soaking for 3 h. The compounding of composite were carried out at different fiber loadings (10%, 20%, 30%, 40%, 50%) using Brabender internal mixer at 130°C for 10 min. The composites were then pressed using compression molding to produce biodegradable kenaf/Ecoflex sheets. The effects of kenaf fiber loading and NaOH treatment of WSK fiber surface on mechanical properties was examined. The results showed that 40% fiber loading improved the tensile strength properties and WSK fiber treated with 4% NaOH was found to enhance tensile and flexural properties compared with untreated fiber. The FTIR characterization showed that alkali treatment removes hemicellulose and lignin from WSK kenaf fiber surface.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Publisher: Sage Publications
Keywords: Whole stem kenaf fiber; Ecoflex biodegradable composites; NaOH treatment; Mechanical properties
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 19 Jun 2015 02:35
Last Modified: 28 Sep 2015 01:56
URI: http://psasir.upm.edu.my/id/eprint/14241
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