Investigation of Mechanical Properties of Luffa Cylindrica Particulates Reinforced Polylactic Acid Composite
Keywords:
Luffa cylindrica particulates (LCP), polylactic acid (PLA), surface treatment, mechanical properties, compression moldingAbstract
The motive of this study is to lessen the dependence on non-degradable plastic by developing alternative material; luffa cylindrica particulates (LCP) reinforced polylactic acid (PLA) composites using the available plastic processing machineries. For that reason, this study focuses on the development of PLA/LCP biocomposite using compression molding and also investigated the effect of varying the LCP weight fraction and surface treatment on the density and the mechanical properties of the developed composites. The LCP were treated with 5 wt% NaOH solution. Two batches of composites were produced using treated LCP and untreated LCP. Composites were fabricated with 10, 20, 30, 40 and 50 wt% LCP for both the treated and untreated LCP using compression molding. Characterization of the composite was made based on the evaluation of its density, tensile properties, flexural properties, impact strength and hardness. The results showed that the densities of the treated composites were slightly lower than those of the untreated. The composite with treated LCP showed desirable properties at 10, 30 and 40 wt% LCP while the composites with the untreated LCP gave better results at 20 wt% LCP. Though these properties compared favorably with some reported properties for the natural fiber reinforced polymer composites, the use of other types of surface treatment for the LCP should be studied and also the effect of varying the wt% of NaOH solution be further investigated.
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