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Chemical modification of oil palm mesocarp fiber by methacrylate silane: effects on morphology, mechanical, and dynamic mechanical properties of biodegradable hybrid composites


Citation

Chern, Chiet Eng and Ibrahim, Nor Azowa and Zainuddin, Norhazlin and Ariffin, Hidayah and Wan Yunus, Wan Md Zin (2016) Chemical modification of oil palm mesocarp fiber by methacrylate silane: effects on morphology, mechanical, and dynamic mechanical properties of biodegradable hybrid composites. BioResources, 11 (1). pp. 861-872. ISSN 1930-2126

Abstract

Effects of modifying oil palm mesocarp fibers (OPMF) by methacrylate silane on polylactic acid (PLA)/ polycaprolactone (PCL)/clay/OPMF hybrid composites were investigated. The composites were prepared by a melt blending technique and characterized by dynamic mechanical analysis (DMA) and scanning electron microscopy (SEM). The silane-treated OPMF hybrid composites showed better tensile strength, tensile modulus, and elongation at break than unmodified OPMF hybrid composites. DMA analysis showed an increase in storage modulus when silane-treated OPMF was added to a hybrid composite. The loss modulus curve showed that the incorporation of silane-treated OPMF into a hybrid composite shifted the two glass transition temperatures (Tg) of composites closer to each other. The low tan δ peak indicated good fiber/matrix adhesion for the silane-treated OPMF hybrid composites. SEM micrographs revealed that silane-treated OPMF hybrid composites showed better fiber/matrix adhesion than unmodified OPMF hybrid composites because of absence of gap between silane-treated OPMF and the matrix in the composite.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Faculty of Science
Publisher: North Carolina State University
Keywords: Oil palm mesocarp fiber; Chemical modification; Silane coupling agent; Hybrid composites
Depositing User: Mohd Hafiz Che Mahasan
Date Deposited: 15 Aug 2018 08:59
Last Modified: 15 Aug 2018 08:59
URI: http://psasir.upm.edu.my/id/eprint/55278
Statistic Details: View Download Statistic

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