![]() ![]() EPP foams exhibit excellent impact resistance, insulation, energy absorption, dimensional stability, etc. However, kenaf fiber composites with waste expanded polypropylene (EPP) have been rarely found.ĮPP can be mainly manufactured by foaming process with PP beads, as described elsewhere. characterized the effect of alkali-treatment on the interfacial and mechanical properties of kenaf/recycled PP composites made by using extrusion and injection molding methods. investigated focusing on machinability and moldability of kenaf composites with PP, PLA, and epoxy for automotive components, which was produced by injection and compression molding processes. They also studied that morphology, thermal, and mechanical properties of extruded injection molded kenaf fiber reinforced PP composites. reported that composites with neat PP and 20 wt% kenaf fiber were fabricated by using extrusion injection molding and carried out experimental and numerical studies of the critical fiber length to affect the load transfer efficiency and stiffening of resulting composites. Several papers have dealt with PP and kenaf fiber to make the composite. It can often be produced via extrusion and injection molding processes not only with glass and carbon fibers, but also with natural fibers. Polypropylene (PP) is one of the most frequently used general-purpose thermoplastics in many industrial applications.
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