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      • KCI등재

        Structural Characterization and Mechanical Behaviour of Sodium Hydroxide-Treated Urena lobata Fiber Reinforced Polypropylene Matrix Composites

        Chioma E. Njoku,Joseph A. Omotoyinbo,Kenneth K. Alaneme,Michael O. Daramola 한국섬유공학회 2020 Fibers and polymers Vol.21 No.12

        The present study is on the production and characterization of untreated and treated Urena lobata (U. lobata) fiberreinforced polypropylene (PP) composites. The untreated and treated U. lobata/PP composites were produced bycompression moulding at varying weight percents of the fibers (5, 10, 15, 20 25, 30, 35) wt%. The followingcharacterizations were carried out on the treated and untreated U. lobata/PP composites; X-ray diffraction (XRD), FourierTransform Infra-red spectroscopy (FTIR), and Scanning electron microscopy (SEM). Due to enhanced fiber-matrix adhesion,attributed to increased fiber roughness and crystallinity, the alkaline treated U. lobata composites showed enhancedmechanical, structural and morphological properties over the untreated U. lobata reinforced composites. Furthermore, the30 wt% fiber loading, gave the best combination of the mechanical properties, as improvement in tensile strength (2-22 %),percentage elongation (5-26 %), and impact strength (2-19 %) was observed for the treated fiber reinforced compositecompositions. Consequently, the 30 wt.% Urena lobata/PP composite is recommended for the development of PMC basedautomobile components.

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