Enhancement of Conductivity for Poly(ethylene terephthalate) Matrix Reinforced with Carbon Nanotubes
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概要
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The carbon nanotubes (CNTs) were reinforced with poly(ethylene terephthalate) (PET) matrix resins to improve the electrical, thermal and mechanical properties of CNTs/PET composites in different contents of 0.25, 0.5, 0.75, 1.0, 1.25, and 1.5 wt %. The powder material of PET and CNTs were first blended and then hot-pressed to form film specimen. The organizations and microstructures of the composites were studied with scanning electron microscope (SEM), the atomic force microscope (AFM). The electrical resistivity of the composites was measured and was found to reduce rapidly when the contents of CNTs increase from 0 to 0.75%. The rate of reduction decreases as the contents of CNTs is greater than 0.75%. Temperature effect on the resistivity experiments indicates that the resistivity of the composites is not governed by CNTs, but the polymer materials between neighboring multi-wall carbon nanotubes (MWCNTs). That is, PET-MWCNTs exhibits the nature of conducting polymer.
- 2007-09-30
著者
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Kuo Cheng-Yung
Institute of Aeronautics and Astronautics, and Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan 701, Taiwan
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Liu Chien-Wei
National Nano Device Laboratories, Southern Region Center, Tainan 701, Taiwan
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Shiau Shiuan-Hua
Institute of Aeronautics and Astronautics, and Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan 701, Taiwan
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Gau Chie
Institute of Aeronautics and Astronautics, and Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan 701, Taiwan
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Lin Chung-Hung
Taiwan Texture Research Institute, Taipei 23674, Taiwan
関連論文
- Enhancement of Conductivity for Poly(ethylene terephthalate) Matrix Reinforced with Carbon Nanotubes
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