Study The Effect Of Different Process Of The Mechanical And Physical Properties On The Coconut Coir Fiber Reinforced LDPE Composite

Mohd Sukri Sazlan , Sapee (2010) Study The Effect Of Different Process Of The Mechanical And Physical Properties On The Coconut Coir Fiber Reinforced LDPE Composite. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research aims to study and analyze the effect of different process on the mechanical and physical properties of the coconut coir fiber reinforced LDPE composite. The main raw materials used in this project are Low Density Polyethylene (LDPE) resin as the matrix materials and coconut coir fiber as the reinforcement material for the composite fabrication. The composite was fabricated by using two processes which are extrusion molding and compression molding. The composite from both of the process were analyzed in terms of mechanical and physical properties. The composite specimens were cut into the specific dimension according to the American Society for Testing and Material (ASTM) standard for testing process. The specimens were primarily tested for the mechanical properties analyze which is Tensile Test. The proportions of the composite compounding in both processes were used at the variety weight percentage, wt % of 92, 87,82wt% LDPE as the matrix material and 5, 10, 15 wt% coconut coir fibers as the reinforcement. The composite specimens were also conducted with water absorption test in order to investigate physical properties reaction of the coconut coir fiber reinforced LDPE composites. The microstructures of the fabricated composites were observed under the Digital Microscope to understand the fracture behavior, the fiber distribution and the surface morphological. The introduction of 3wt% of Maleic anhydride-grafted polyethylene (MAH-g-LDPE) was done. It used to the best formulated composites which indicate the improvement of the interfacial adhesion between the fiber-matrix interphase through the morphology observation.

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