Fluorinated graphene reinforced polyimide films with the improved thermal and mechanical properties |
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| Affiliation: | 1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;2. University of Chinese Academy of Sciences, Beijing 100080, PR China;1. Department of Chemical Engineering, Feng Chia University, Taichung, 40724, Taiwan;2. Department of Chemical and Materials Engineering, National Chin-Yi University of Technology, Taichung, 41170, Taiwan;3. Department of Chemical Engineering, National Chung Hsing University, Taichung, 40227, Taiwan;4. Materials and Electro-Optics Research Division, National Chung-Shan Institute of Science & Technology, Taoyuan, 32546, Taiwan;1. Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;2. Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;3. Division of Functional Materials and Nanodevices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China;4. Research Institute & School of Systems Engineering, Kochi University of Technology, Kami City, Kochi 782-8502, Japan;1. School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China;2. Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China;3. Department of Mathematics, Ganzhou Teachers College, Ganzhou, 341000, China;4. Engineering Technology Research Center of Fluorocarbon Materials, Shandong Zhongshan Photoelectric Materials Co., Ltd. Zibo, 255138, China |
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| Abstract: | In order to explore the addition effect of fluorinated graphene (FG) on the mechanical and thermal performances of polyimide (PI) matrix, FG sheets are first prepared and employed as the nanofillers to construct PI/FG nanocomposite films. The prepared film is optically transparent at low content of FG and experimental results demonstrate that the addition of FG can effectively enhance the properties of PI matrix. Especially, compared with pure PI matrix, the addition of 0.5 wt% FG in PI can endow 30.4% increase in tensile stress and 115.2% increase in elongation at break. Experimental analyses considering the morphology and microstructure are also conducted, and the results indicate that the improved mechanical properties of the PI/FG nanocomposite films are mainly attributed to the good dispersibility of FG sheets in PI host, and the effective stress transfer between the polymer and the FG. |
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| Keywords: | A Polymer-matrix composites (PMCs) B Mechanical properties B Thermal properties |
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