Affiliation:
1. School of Chemical Sciences and Food Technology Faculty of Science and Technology, Universiti Kebangsaan Malaysia 43600 Bangi Selangor, Malaysia,
2. School of Chemical Sciences and Food Technology Faculty of Science and Technology, Universiti Kebangsaan Malaysia 43600 Bangi Selangor, Malaysia
Abstract
Mechanical behavior of short Twaron fiber thermoplastic natural rubber (TPNR) has been studied with respect to fiber loading and extrusion rates. The composites are prepared at two different compositions of NR/LLDPE matrixes i.e., 60/40 and 40/60. Twaron fibers are varied from 0 to 25% in the composites. The temperature profile for extrusion is 140, 145, 150, and 155°C for feeding zone, melting zone, mixing zone, and die respectively with the extrusion rate of 30, 50, 80, and 100 rpm. It has been found that the tensile strength, Young’s modulus, and impact strength increases with fiber loading, but the strain at break decreases. The optimum fiber loading in the system is found to be 20% in both blends. However, there is no effect of extrusion rate on the strength of composite observed.
Subject
Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites
Cited by
68 articles.
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