期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 77, 期 -, 页码 13-20出版社
ELSEVIER
DOI: 10.1016/j.indcrop.2015.08.016
关键词
Cellulose nanofibrils; Nanocomposite; Static and dynamic mechanical properties; Visible light transmittance; Wetting and water contact angle
资金
- Industry Research Special Funds for Public Welfare Project of China [201404604]
- Hunan Provincial Natural Science Foundation [2015JJ2203]
- Research Foundation of Education Bureau of Hunan Province [15K151]
- Hunan Provincial Innovation Foundation for Postgraduate from China [CX2014A013]
Cellulose nanoflbril (CNF) and epoxy nanocomposites with high visible light transmittance and low water sensitivity were manufactured by laminating thin layers of epoxy resin onto CNF films prepared through, pressurized filtration in combination with oven drying. Scanning Electron Microscopy (SEM) studies suggest that the resin component bonded to the CNF substrate well. Atomic Force Microscopy (AFM) observation reveals that the resin lamination led to smoother film surface, which helped enhance UV-vis transmittance. The addition of epoxy resin had little effect on the static and dynamic mechanical strength. However, crystalline and interconnected CNFs significantly reduced the loss factor and shifted the glass transition of composite to a high temperature. Compared to pure CNF films, the CNF/epoxy composites showed a 20% improved transparence in the visible light range. The CNF/epoxy composites demonstrated a sufficient water resistance. This composite film could be considered as a potential substrate material in the application of flexible electronics substrates. (C) 2015 Elsevier B.V. All rights reserved.
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