Optimization of Consolidation Temperature and Time for Self Reinforced High-density Polyethylene Composite

Authors

  • Martin Munene Riara Department of Physical Sciences,South Eastern Kenya University
  • Anthony Mwangi Wachira Department of Basic Sciences Tharaka University College

Keywords:

Self-reinforced, composite, glass fiber, density, polyethylene

Abstract

Demand for high-density polyethylene (HDPE) for industrial production of domestic and commercial commodities has made it necessary to find ways of improving its mechanical properties. A viable approach towards this is the addition of reinforcements such as glass fibers. However, glass fiber reinforced composites suffer limitations because of reduced recyclability, great weight and difficult to thermo-form. In order to improve properties such as specific strength, stiffness and thermoformability of the composite and maintain recyclability, self-reinforced HDPE composites are considered as an alternative to glass fiber reinforced HDPE. In this study, self-reinforced highdensity polyethylene composite was fabricated by film stacking HDPE films and HDPE fibers under carefully controlled temperatures (128–142ºC), pressure (2MPa) and time (100 seconds to 350 seconds). Test results indicated that an optimum temperature of 133⁰C and an optimum time of 300s showed effective self-reinforcement.

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Published

2021-06-21

Issue

Vol. 11 No. 1 (2021)

Section

Articles

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