Influence of Selected Treatment on Tensile Properties of Short Pineapple Leaf Fiber Reinforced Tapioca Resin Biopolymer Composites
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This work reports the influence of various treatments of pineapple leaf fibers (PALF) reinforced tapioca biopolymer (TBP) on the tensile properties. Three different treatments were selected, such as maleic anhydride polypropylene (MAPP) compatibility, maleic anhydride polyethylene (MAPE) compatibility and alkali treatment. Samples with 10% of PALF composition with different concentrations of MAPP and MAPE (1%, 3%, 5% and 7% by weight) and samples with three different treatments were prepared with different PALF compositions (10%, 20%, 30% and 40% by weight). Results revealed that PALF–TBP with 7% of MAPP showed the highest tensile strength and good interfacial adhesion with the matrix as evidenced by the Scanning electron microscopy analysis. Moreover, the chemical analysis by Fourier transforms infrared spectroscopy demonstrated that the MAPP had improved the PALF compatibility and matrix interfaces. Findings suggested that PALF–TBP composites have a great potential to be used for products in engineering applications.
KeywordsTapioca biopolymer Pineapple leaf fiber Coupling agent Alkali treatment Natural fiber composites
The authors wish to thanks the Malaysian Ministry of Higher Education (Grant No.: RDU140120) for funding the research through the Fundamental Research Grant Scheme (FRGS) with Grant Number FRGS/1/2014/TK04/UMP/02/4. The authors are also obliged to express their gratitude to Universiti Malaysia Pahang for generously providing essential laboratory facilities.
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