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http://dx.doi.org/10.17702/jai.2016.17.3.96

Water Treatment Effect of Bamboo Fiber on the Mechanical Properties, Impact Strength, and Heat Deflection Temperature of Bamboo Fiber/PLA Biocomposites  

Cho, Yong Bum (Department of Polymer Science and Engineering, Kumoh National Institute of Technology)
Cho, Donghwan (Department of Polymer Science and Engineering, Kumoh National Institute of Technology)
Publication Information
Journal of Adhesion and Interface / v.17, no.3, 2016 , pp. 96-103 More about this Journal
Abstract
In this work, pellets consisting of cellulose-based natural fiber bamboo and poly(lactic acid) (PLA) was prepared by extrusion process and then bamboo fiber/PLA biocomposites with various fiber contents were produced by injection molding process. The water treatment effect of bamboo fibers on the flexural, tensile, and impact properties and heat deflection temperature of the biocomposites were investigated. The thermal stability of bamboo and the flexural properties, tensile modulus, and impact strength depended on the presence and absence of water treatment as well as on the fiber content, whereas the heat deflection temperature are influenced mainly by water treatment. The increase of the mechanical and impact properties of biocomposites is ascribed to the improvement of the interfacial adhesion between the bamboo fibers and the PLA matrix by the water treatment. The result suggests that the pre-treatment of natural fibers by using water, which is environment-friendly and labor-friendly, may contribute to enhancing the performance of biocomposites.
Keywords
bamboo fiber; PLA; biocomposite; water treatment; processing; properties;
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