Mechanical properties of polyperties of polypropylene filled wood fiber composites

Arham Syafiq , Azmi (2013) Mechanical properties of polyperties of polypropylene filled wood fiber composites. Project Report. UTeM. (Submitted)

Text MECHANICAL PROPERTIES OF POLYPROPYLENE FILLED WOOD FIBER COMPOSITES 24PAGES.pdf Download (5MB)

Abstract

In this study, attempt has been made to combine the advantages of polymer and natural fiber. Polypropylene filled wood fibers (PP/WF) composites were prepared by using the Z-blade mixer at processing temperature l 80°C and a speed of 50rpm with different filler loading varying between 0% and 40% by weight. A titanate coupling agent, Acrylic Acid was added to improve the adhesion of matrix and filler material. PP/WF composites have been characterized from the point of view of mechanical properties. Generally, PP/WF composites have successfully increased several mechanical properties as compared to the pure PP polymer. The increase in filler loading has decreased the tensile strength and elongation at break while Young's modulus was increased. The incorporation of WF in PP increases the flexural strength and flexural modulus of the composites. Based on morphological investigation, the increasing of filler loading has transformed the failure mode from ductile to brittle manner. The water absorption test reveals that with the increasing of filler loading, swelling rate of PP/WF composites also increase due to hydrophilic nature of natural fiber which is tend to absorb water.

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