Effect of kenaf and EFB fiber hybridization on physical and thermo-mechanical properties of PLA biocomposites |
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| Authors: | Md Saiful Islam Irmawati Binti Ramli M R Hasan Md Moynul Islam Kh Nurul Islam Mahbub Hasan Ahmad Saffian Harmaen |
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| Institution: | 1.Department of Chemistry, Faculty of Science & Humanities,Bangladesh Army University of Engineering and Technology (BAUET),Natore,Bangladesh;2.Department of Chemistry, Faculty of Science,Universiti Putra Malaysia,Serdang,Malaysia;3.Department of Civil Engineering,Bangladesh Army University of Engineering & Technology (BAUET),Natore,Bangladesh;4.Department of Anatomy and Histology, Faculty of Veterinary Medicine,Chittagong Veterinary and Animal Science University,Chittagong,Bangladesh;5.Department of Materials and Metallurgical Engineering,Bangladesh University of Engineering and Technology,Dhaka,Bangladesh;6.Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products (INTROP),Universiti Putra Malaysia,Serdang,Malaysia |
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| Abstract: | Kenaf/empty fruit bunch/polylactic acid (kenaf/EFB/PLA) hybrid biocomposites were prepared using hot press technique. The ratio of fiber to polylactic acid was set at 60:40 with 1:1 ratio between kenaf and empty fruit bunch fibers. Physical, mechanical and thermal properties of hybrid biocomposites were subsequently characterized using Fourier transform infrared spectroscopy, scanning electron microscope, X-ray diffraction, thermogravimetric analysis, differential scanning calorimetry, tensile and water absorption tests. Test results indicated that mechanically stronger fiber was able to support the weaker fiber. Hybrid fiber biocomposite had higher crystallinity as compared to single fiber biocomposite. Water absorption of hybrid composite was higher as compared to single fiber composite. Thermal result revealed that hybridization of fiber was not significantly influence the thermal properties of composites. However, the presence of two different fibers proposed good wettability properties, which could reduce the formation of voids at the fibers-polymer interface and produce composites with high stiffness and strength. |
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