Novel high-strength biocomposites based on microfibrillated cellulose having nano-order-unit web-like network structure |
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Authors: | AN Nakagaito H Yano |
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Institution: | (1) Wood Research Institute, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan |
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Abstract: | A completely new kind of high-strength composite was manufactured using microfibrillated cellulose (MFC) derived from kraft pulp. Because of the unique structure of nano-order-scale interconnected fibrils and microfibrils greatly expanded in the surface area that characterizes MFC, it was possible to produce composites that exploit the extremely high strength of microfibrils. The Young s modulus (E) and bending strength ( b) of composites using phenolic resin as binder achieved values up to 19 GPa and 370 MPa, respectively, with a density of 1.45 g/cm2, exhibiting outstanding mechanical properties for a plant-fiber-based composite. PACS 81.05.Lg; 81.05.Qk |
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