Abstract
Exploring new lignocellulosic fiber as a reinforcement for polymer composites will extend their use in potential applications. Lipstick palm (LP) fiber is one of the unexplored natural fibers, available in Malaysia, Indonesia and Thailand as a landscaping plant. The aim of this research is to investigate the effect of the sodium hydroxide treatment on the mechanical behavior of LP stalk fibers, as a fiber reinforcement. The fiber were treated with 1, 3 and 5 wt% NaOH concentration at 1 and 2 h periods. The treated fiber were tested for tensile strength, interfacial shear strength (IFSS) and morphology. The ideal properties of NaOH were found for fiber treated at 3% NaOH concentration at 1 h soaking time, with increment of 130% and 423% of tensile strength and interfacial shear stress respectively. Scanning electron microscopy (SEM) analysis revealed that lumen shrinkage to the NaOH treatment leads to strengthen the fiber, however, at 5 wt% of NaOH at 2 h lead to sodium deposit on the fiber surface hence, weakened the adhesion bonding. The ideal, 3% NaOH for 1 h soaking time, treated fiber is potential as reinforcement in phenolic composites for lightweight applications.
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Acknowledgements
The authors would like to thank Universiti Putra Malaysia for the financial support through the Geran Putra Berimpak, GPB 9668200. The authors would like to thank the Department of Aerospace Engineering, Faculty of Engineering, Universiti Putra Malaysia and Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Product (INTROP), Universiti Putra Malaysia (HICOE) for the close collaboration in this research.
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Moli, T. et al. (2021). Effect of NaOH Treatment of Cellulosic Lipstick Palm Fiber on Tensile and Fiber-Matrix Interfacial Strength with Phenolic Resin. In: Bahari, M.S., Harun, A., Zainal Abidin, Z., Hamidon, R., Zakaria, S. (eds) Intelligent Manufacturing and Mechatronics. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-0866-7_72
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DOI: https://doi.org/10.1007/978-981-16-0866-7_72
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