Effects of functional group of carbon nanotubes on mechanical properties of carbon fibers |
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| Affiliation: | 1. Carbon Composites Materials Research Center, Institute of Advanced Composite Materials, Korea Institute of Science and Technology, Eunha-ri san 101, Bondong-eup, Wanju-gun, Jeollabuk-do, 565-905, Republic of Korea;2. University of Science and Technology, Gajeong-ro, Yuseong-gu, Daejeon, 305-350, Republic of Korea;3. Hyosung R&DB Labs, 183-2, Hoge-Dong, Dongan-Ku, Anyang-Si, Gyeonggi-do, 431-080, Republic of Korea;4. Department of Mechanical Engineering, University of New Orleans, New Orleans, LA, 70148, USA;5. Advanced Materials Research Institute for BIN Fusion Technology & Dept of BIN Fusion Technology, Chonbuk National University, Duckjin-dong 1Ga 664-14, Jeonju, Jeollabuk-do, 561-756, Republic of Korea;1. Departamento de Física, Universidade Federal do Ceará, CEP 60455-900, P.O. Box 6030, Fortaleza, Ceará, Brazil;2. Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, NY, USA;3. Departamento de Física, Universidade Federal do Piauí, CEP 64049-550, Teresina, Piauí, Brazil;1. Carbon Nexus, Institute for Frontier Materials, Deakin University, Geelong, Australia;2. Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Cochin, India;3. Factory of the Future, Swinburne University of Technology, Hawthorn, Australia;1. Department of Chemical Engineering, Faculty of Engineering and Science, Curtin University, 98009, Sarawak, Malaysia;2. Graphene & Advanced 2D Materials Research Group (GAMRG), Research Centre for Nano-Materials and Energy Technology (RCNMET), School of Science and Technology, Sunway University, No. 5, Jalan University, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia;3. Department of Chemical Process Engineering, Malaysia-Japan International Institute of Technology (MJIIT) Universiti Teknologi Malaysia (UTM), Jalan Sultan Yahya Petra, 54100 Kuala Lumpur, Malaysia |
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| Abstract: | The effects of surface functionalization of carbon nanotubes (CNTs) on the mechanical properties of carbon fibers (CFs) have been investigated. The surface functionalization of CNTs was carried out with a diazonium reagent. Compared to pure PAN, only the fluoro phenyl functionalized CNTs (F-Ph-CNT) incorporated PAN composites showed a significant increase up to 22 °C of Tg and displayed the second peak due to the interfacial interaction between F-Ph-CNT and PAN. Among the samples, 0.5wt% of F-Ph-CNT reinforced CFs exhibited a 46% increase in tensile strength (4.1 GPa) and a 37% increase in modulus (302 GPa), respectively compared to that of pure CFs. |
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| Keywords: | A Carbon fibre B Mechanical properties E Surface treatments |
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