A. Gunawan, H. Pasaribu, T. Lauzia, Y. Syamsuddin, L. Meiriza, S. Kamaruzaman, S. Aprilia
The use of materials in cars has changed significantly over the last few decades. Polypropylene is the top choice for automotive industry players because it has unparalleled flexibility, affordable cost and performance balance that successfully replace steel and other plastics as the material for the manufacture of motor vehicles. However, since the raw material of polypropylene is derived entirely from petroleum and natural gas which can be discharged at any time. Also, its use is not environmentally friendly which need an action to overcome one of them by developing composite technology. The purpose of this study was to know the relation of mass fraction of corncob fiber into polypropylene composites on tensile strength and composite morphology. Corncobs reinforce in polypropylene are 10, 20, 30 and 40% by weight. XRD analysis investigated at 2? the crystalline part of corncob at 21°. The functional group of Si-OH and Si-O-Si were analyzed at wavelength 1030 and 1100 cm-1. The fracture surface of composite shows the crack effect of particle loading. Polypropylene composites filled with corncob increased in tensile strength and decrease in elongation at break with the increase of corncob particle loading. © Published under licence by IOP Publishing Ltd.
Chemical Engineering Department, Engineering Faculty, Universitas Syiah Kuala, Jln. Tgk. Syech Abdul Rauh, Darussalam, Banda Aceh, 23111, Indonesia
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