Fabrication And Characterization Of Oil Palm Shell Powder Filled Polypropylene

Wan Mazuwan , Wan Azhal (2008) Fabrication And Characterization Of Oil Palm Shell Powder Filled Polypropylene. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of doing this project is to study the mechanical properties of oil palm shell powder (OPSP) filled polypropylene (PP) and effect OPSP weight fraction on OPSP/PP composites. OPSP is obtained by the pulverization process of oil palm shell. Pulverization process is conducted at Universiti Tun Hussein Onn (UTHM) by using variables speed rotor mill. The oil palm shell is supplied by Seri Intan Palm Oil Sdn Bhd, Teluk Intan, Perak. Meanwhile PP used in this experiment is available at Universiti Teknikal Malaysia Melaka (UTeM). PP is mixed with the OPSP using extrusion machine and using hot press process to fabricate the mixture into composite with Swt%, l Owt% and 15wt% OPSP. Plate of 3mm and 2mm were prepared for testing samples. A pure PP is also fabricated in purpose of comparing the mechanical properties between pure form of the polymer and filled polymer. In terms of tensile properties, Young's modulus shows an increase at lOwt% OPSP, whereas tensile strength decreased with the increase in OPSP weight fraction. Fle:":ural strength and flexural modulus increase with the increase in OPSP weight fraction. Impact strength of composite with 10wt% OPSP exhibits higher value compared to the other weight fraction. Furthermore, increasing of OPSP percentage results in increase of water absorption. Scanning electron microscopy (SEM) is used to study the microstructure of tensile fracture. As conclusion, it is found that adding OPSP bas improved the properties of PP composite and the better OPSP weight fract ion in PP composite is 10wt%. However, poor interfacial adhesion reflects the filler particle size and believed to has caused weakness in composite mechanics behaviors.

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