PLA Coated Sisal Fibre Reinforced Polyester Composite: Static and Dynamic Mechanical Properties

Abstract

The aim of present study is to overcome the limitations of natural fibres and its polymer based composites. In present work, a new approach as PLA coating of sisal fibres has been used. Hand lay up technique was used to fabricate the polyester based composites using alkali treated and PLA coated sisal fibres. Static analysis in terms of tensile and flexural test, and dynamic mechanical analysis in terms of storage modulus (E’), loss modulus (E”), damping (Tanδ) and glass transition temperature (Tg) was carried out. In addition, morphological analysis of fractured surface of the composites was performed using scanning electron microscopy (SEM). The results revealed that composite with PLA coated sisal fibres showed better mechanical performance than alkali treated and untreated sisal composites.