Abstract
Natural fibre-reinforced polymer composites are seen as a possible substitute to synthetic fibre-based composites to face the environmental issues related to non-biodegradable nature of synthetic fibres. Due to their high specific strength and modulus, natural fibre-reinforced polymer composites are receiving widespread attention. In the present research initiative, natural fibre-reinforced thermoplastic composites have been developed with microwave curing technique. Two types of natural fibres namely sisal and grewia optiva, and two types of thermoplastic polymers (polypropylene and ethylene vinyl acetate) were used for fabrication of composites. Microwave wattage and exposure time were optimized for successful curing of thermoplastic composites. Results of tensile, flexural and impact strength of developed composites showed improvement in the properties as compared to neat polymers. The results suggest that microwave energy provides a feasible, environmental friendly option for curing of natural fibre-based thermoplastic composites.
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