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The Influence of Fiber Content on Properties of Injection Molded Flax Fiber-HDPE Biocomposites

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:   No Citation available.
Authors:   X Li, L G Tabil, S Panigrahi, W J Crerar
Keywords:   Flax fiber-HDPE biocomposites, fiber content, tensile strength, flexural strength, water absorption, melt flow index, molding shrinkage, melting point

Oilseed flax fiber could be used as reinforcement for composites because it is readily available, environmentally friendly and possesses good mechanical properties. Flax fiber was mixed with high density polyethylene (HDPE) with fiber content from 10 to 30% by mass and processed by extrusion and injection molding to biocomposites. The mechanical properties, surface properties, and thermal properties of biocomposites were measured and analyzed to compare the effect of different flax fiber concentrations on the biocomposites. Results showed that increasing fiber content increased tensile and flexural strengths and modulus, increased water absorption, and decreased melt flow index, molding shrinkage and melting point of biocomposites.

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