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PLA/Kenaf/APP biocomposites: effect of alkali treatment and ammonium polyphosphate (APP) on dynamic mechanical and morphological properties


Citation

Shukor, Faseha and Hassan, Azman and Hasan, Mahbub and Islam, Md. Saiful and Mokhtar, Munirah (2014) PLA/Kenaf/APP biocomposites: effect of alkali treatment and ammonium polyphosphate (APP) on dynamic mechanical and morphological properties. Polymer-Plastics Technology and Engineering, 53 (8). pp. 760-766. ISSN 0360-2559; ESSN: 1525-6111

Abstract

Kenaf-filled polylactic acid (PLA) biocomposites were prepared using dry blending, twin screw extrusion and compression molding. PLA was blended with raw and alkali treated kenaf, polyethylene glycol and ammonium polyphosphate (APP). Dynamic mechanical properties of biocomposites were investigated by dynamic mechanical analysis. Storage modulus of composites decreased, while magnitude of damping peaks increased with increase in APP content. The T g of composites shifted to lower values with APP addition. Alkali treatment improved interfacial adhesion between PLA and kenaf. SEM analysis indicates good dispersion of APP in PLA matrix, however interfacial adhesion between PLA and matrix decreased with increasing APP content.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1080/03602559.2013.869827
Publisher: Taylor and Francis
Keywords: Biocomposite; DMA; Kenaf fiber; PLA; SEM
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 24 Dec 2015 04:32
Last Modified: 27 Jan 2016 02:37
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1080/03602559.2013.869827
URI: http://psasir.upm.edu.my/id/eprint/34944
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