Effect of fiber loading on the properties of treated cellulose fiber-reinforced phenolic composites |
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| Affiliation: | 1. Composite Engineering, University of Kaiserslautern, 67663 Kaiserslautern, Germany;2. INM-Leibniz Institute for New Materials, 66123 Saarbrücken, Germany;3. Research Center for Optics and Materials Science, University of Kaiserslautern, 67663 Kaiserslautern, Germany;1. Key Laboratory of Green Processing and Functional Textiles of New Textile Materials, Ministry of Science and Technology, Wuhan Textile University, Wuhan 430073, PR China;2. Faculty of Materials Science and Engineering, Hubei University, Wuhan 430062, PR China;1. Department of Construction Engineering, University of Quebec, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada;2. Department of Construction Engineering, University of Quebec, École de Technologie Supérieure, 1100 Notre-Dame St. West, Montreal, QC H3C 1K3, Canada;1. M.C. Gill Composites Center, Department of Chemical Engineering and Materials Science, University of Southern California, CA 90089, USA;2. US Army Research Laboratory, Aberdeen Proving Ground, MD 21005, USA;3. Dept. of Mechanical Engineering, University of Delaware, DE 19716, USA;4. Center for Composite Materials, University of Delaware, DE 19716, USA;1. Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, via G. Di Biasio 43, 03043 Cassino (FR), Italy;2. Department of Structures for Engineering and Architecture, University of Naples Federico II, via Claudio 21, 80125 Naples, Italy |
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| Abstract: | The effect of fiber loading on the properties of treated cellulose fiber-reinforced phenolic composites was evaluated. Alkali treatment of the fibers and reaction with organosilanes as coupling agents were applied to improve fiber–matrix adhesion. Fiber loadings of 1, 3, 5, and 7 wt% were incorporated to the phenolic matrix and tensile, flexural, morphological and thermal properties of the resulting composites were studied. In general, mechanical properties of the composites showed a maximum at 3% of fiber loading and a uniform distribution of the fibers in such composites was observed. Silane treatment of the fibers provided derived composites with the best thermal and mechanical properties. Meanwhile, NaOH treatment improved thermal and flexural properties, but reduced tensile properties of the materials. Therefore, the phenolic composite containing 3% of silane treated cellulose fiber was selected as the material with optimal properties. |
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| Keywords: | A Polymer–matrix composites (PMCs) A Fibers B Mechanical properties B Thermal properties |
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