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The effect of fiber milling on mechanical properties of polypropylene reinforced oil palm mesocarp fiber biocomposite


Citation

Ahamad Nordin, Noor Ida Amalina and Ariffin, Hidayah and Hassan, Mohd Ali and Andou, Yoshito and Shirai, Yoshihito and Nishida, Haruo (2012) The effect of fiber milling on mechanical properties of polypropylene reinforced oil palm mesocarp fiber biocomposite. In: International Conference on Agricultural and Food Engineering for Life (Cafei2012), 26-28 Nov. 2012, Palm Garden Hotel, Putrajaya. (pp. 456-463).

Abstract / Synopsis

Oil palm mesocarp fiber (OPMF) is biomass residue abundantly available at palm oil mill. Being a lignocellulose, it can be used as reinforce material in biocomposite. In this study, the effect of OPMF milling on the mechanical properties of polypropylene (PP)/OPMF biocomposite was studied. Two types of mills were used, i.e. Wiley mill (WM) and disc mill (DM). Ground OPMF from each milling process was examined for its surface morphology, particle size distribution and aspect ratio by microscopic analyses. Ground OPMF was later sieved and fiber with particle size less than 150 μm was separated and mixed with PP using Thermo Haake mixer at 20 and 50 % (w/w) of fiber loading. Results showed that PP/DM-OPMF biocomposite had higher tensile strength compared to PP/WM-OPMF, with almost two-fold. From the SEM and light microscopic analysis, it can be observed that DM-OPMF had smaller diameter of fiber with almost uniform size of particles. Small diameter and uniform size of fiber may improve stress transfer between the fiber and polymer matrix, improve surface contact between polymer matrix and fiber and cause the well-dispersion of filler throughout the polymer. This explains the better tensile strength of PP/DM-OPMF compared to PP/WM-OPMF biocomposite. Overall, it can be concluded that disc milling could serve as a simple and effective grinding method which is able to improve the mechanical properties of biocomposite.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Publisher: Faculty of Engineering, Universiti Putra Malaysia
Keywords: Oil palm mesocarp fiber (OPMF); Disc mill; Aspect ratio; Biocomposites; Mechanical properties
Depositing User: Nabilah Mustapa
Date Deposited: 02 Mar 2017 14:18
Last Modified: 02 Mar 2017 14:18
URI: http://psasir.upm.edu.my/id/eprint/50677
Statistic Details: View Download Statistic

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