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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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The synergistic effects of multi-walled carbon nanotubes (MWNT) and graphite on the structural features and mechanical and electrical properties of polyurethane (PU) nanocomposites were investigated as functions of filler content. SEM images of the PU/hybrid nanocomposite exhibit that the MWNTs and graphite are dispersed well in the PU matrix and form an interconnected network structure. Accordingly, the tensile strength and strain-at-break of the PU/hybrid nanocomposites were much higher than those of the PU/MWNT and PU/graphite nanocomposites at the same filler content. In addition, it is found that the PU/hybrid nanocomposite containing 1.25 wt% MWNTs and 1.25 wt% graphite shows the electrical conductivity of $1.2{\times}10^{-4}S/cm$, which is higher by three orders than that of PU/graphite nanocomposite containing 20.0 wt% graphite. The highly improved mechanical and electrical properties of the PU/hybrid nanocomposite are thought to be due to the interconnected network structure of MWNTs and graphite in the PU matrix.
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참고문헌 (27)
참고문헌 신청
D. W. Chung / 2000 / The Study on the Electrically Conductive Properties of Graphite-Nylon 6 Composite / J Korean Ind Eng Chem 11(2):239~242
F. He / 1995 / Preparation of Polypyrrole-Polyurethane Composite Foam by Vapor Phase Oxidative Polymerization / J Appl Polym Sci 55(2):283~287
G. Shi / 2004 / A Novel Electrically Conductive and Biodegradable Composite Made of Polypyrrole Nanoparticles and Polylactide / Biomaterials 25(13):2477~2488
D. H. Baik / 1999 / Electrical Conductivity of Anion-Containing Copolyestersand Polypyrrole Composite Films / Mol Cryst Liq Cryst 327(1):229~232
M. H. Jee / 2010 / Poly(ethylene 2,6-naphthalate)/MWNT NanocompositesPrepared by in situ Polymerization : Rheological andMechanical Properties / Fiber Polym 11(1):1~7
F. He / 1995 / Preparation of Polypyrrole-Polyurethane Composite Foam by Vapor Phase Oxidative Polymerization / J Appl Polym Sci 55(2):283~287
G. Shi / 2004 / A Novel Electrically Conductive and Biodegradable Composite Made of Polypyrrole Nanoparticles and Polylactide / Biomaterials 25(13):2477~2488
D. H. Baik / 1999 / Electrical Conductivity of Anion-Containing Copolyestersand Polypyrrole Composite Films / Mol Cryst Liq Cryst 327(1):229~232
M. H. Jee / 2010 / Poly(ethylene 2,6-naphthalate)/MWNT NanocompositesPrepared by in situ Polymerization : Rheological andMechanical Properties / Fiber Polym 11(1):1~7
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