期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 60, 期 -, 页码 144-150出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2014.06.010
关键词
Soy protein; PLA; Cornhusk fiber; Biocomposite
资金
- Asian Institute of Technology
- National Innovation Agency, Ministry of Science and Technology, Thailand
In this study, fibers were extracted from cornhusk by using alkali solution. Scanning electron microscopic observations on the morphological structure of cornhusk fiber showed that wax and other noncellulosic substances were removed after alkali treatment. The fibers were further surface modified with silane and used for the reinforcement of bioplastic made from defatted soy flour, soy protein, and polylactic acid (PLA). Mechanical properties including tensile strength, tensile modulus, flexural strength, flexural modulus, impact strength, and water absorption of PLA-soy protein based biocomposites containing surface modified cornhusk fiber were superior to the biocomposite reinforced with untreated fibers. Significant improvement of all mechanical properties were observed with the use of silane treated cornhusk fiber at 5 wt% fiber loading. The enhancement in mechanical properties of the composites was corresponding to better interfacial adhesion between the PLA-soy protein matrix and cornhusk fibers. (C) 2014 Elsevier B.V. All rights reserved.
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