Enhanced thermal resistance of phenolic resin composites at low loading of graphene oxide |
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| Affiliation: | 1. Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China;2. Xi’an Aerospace Composite Materials Research Institute, Xi’an 710025, People’s Republic of China;3. MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China;4. Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China;1. Department of Applied Chemistry, School of Science, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China;2. MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an, 710049, People’s Republic of China;1. College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China;2. School of Material Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China;1. School of Chemical Sciences, M G University, Kottayam 686560, Kerala, India;2. Post Graduate Department of Chemistry, Sree Sankara College, Kalady 683574, Kerala, India;3. Department of Chemistry, Amrita Vishwa Vidyapeetham, Amritapuri, 690525, Kerala, India;1. Department of Applied Chemistry, School of Science, Xi''an Jiaotong University, Xi''an 710049, China;2. MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi''an, 710049, China;1. Department of Chemical Engineering, School of Chemical Engineering and Technology, Xi''an Jiaotong University, Xi''an, 710049, Shaanxi, China;2. Xi''an Aerospace Composite Materials Research Institute, Xi''an, 710025, Shaanxi, China;3. Department of Applied Chemistry, School of Science, Xi''an Jiaotong University, Xi''an, 710049, Shaanxi, China;1. Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P.O. Box 87317-51167, Islamic Republic of Iran;2. Department of NanoTechnology, Space Transportation Research Institute, Tehran, Islamic Republic of Iran |
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| Abstract: | By incorporating graphene oxide (GO) into phenolic resin (PR), GO/PR composites were prepared, and the effects of the content and reduction degree of GO on thermal resistance of GO/PR composites were studied. The peak degradation temperature of the PR was increased by about 14 °C with GO which was heat treated. The char yield of GO/PR composite at a GO weight fraction of 0.5% was about 11% greater than that of PR. The interactions such as covalent bonds and π–π stacking between GO and PR were regarded as the main reason for the enhancement. Located at the GO–PR interface, GO effectively anchored and structured PR molecular near the surfaces of GO sheets, and thus facilitated the formation of char. The superiority of GO/PR composites over PR in terms of thermal properties enhancement should also be related to the promoting graphitization by the addition of GO. |
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| Keywords: | A Polymer–matrix composites (PMCs) B Thermal properties D Thermal analysis E Thermosetting resin |
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