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Properties of polypropylene composites containing aluminum/multi-walled carbon nanotubes
Authors:Chang Heon Kang  Kwan Han Yoon  Young-Bin Park  Dae-Yeol Lee  Sung-Sil Jeong
Affiliation:1. Department of Polymer Science and Engineering, Kumoh National Institute of Technology, 1 Yangho-dong, Gumi, Gyeongbuk 730-701, Republic of Korea;2. School of Mechanical and Advanced Materials Engineering, Ulsan National Institute of Science and Technology, San 194, Banyeon-ri, Eonyang-eup, Ulju-gun, Ulsan 689-805, Republic of Korea;3. 2P/P Rist BIC, San32, Hyoja-dong, Nam-gu, Pohang 790-330, Republic of Korea;1. School of Material Science and Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China;2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi''an, Shaanxi 710016, China;1. Laboratoire de Chimie Inorganique, UR-11-ES-73, université de Sfax, B.P. 1171, 3000 Sfax, Tunisia;2. Dep. de Fisica, Universitat de Girona, Campus Montilivi, Girona 17071, Spain;3. LUNAM Université, Institut des Molécules et Matériaux du Mans, IMMM UMR CNRS 6283, Université du Maine, Avenue Olivier Messiaen, 72085 Le Mans Cedex 9, France;1. Insa-Lyon, Mateis CNRS UMR5510, F-69621 Villeurbanne, France;2. CNRS, LMT ENS Cachan, F-94230 Cachan, France;1. INSA-Lyon, MATEIS CNRS UMR5510, F-69621 Villeurbanne, France;2. CNRS, LMT ENS Cachan, F-94230 Cachan, France;1. Laboratoire des Composites Thermostructuraux, (CNRS-CEA-SAFRAN), University of Bordeaux, 3 allée de la Boétie, 33600 Pessac, France;2. SAFRAN Ceramics, Rue Toussaint Catros, 33187 Le Haillan, France;1. Japan Atomic Energy Agency, Rokkasho, Aomori, Japan;2. Muroran Institute of Technology, Muroran, Hokkaido, Japan
Abstract:Polypropylene/aluminum–multi-walled carbon nanotube (PP/Al–CNT) composites were prepared by a twin-screw extruder. The morphology indicates that the CNTs are well embedded or implanted within Al-flakes rather than attached on the surface. During preparation of composites, the CNTs came apart from Al–CNT so that free CNTs as well as Al–CNT were observed in PP/Al–CNT composite. The crystallization temperatures of PP/CNT and PP/Al–CNT composites were increased from 111 °C for PP to 127 °C for the composites. The decomposition temperature increased by 55 °C for PP/CNT composite and 75 °C for PP/Al–CNT composite. The PP/Al–CNT composite showed higher thermal conductivity than PP/CNT and PP/Al-flake composites with increasing filler content. PP/Al–CNT composites showed the viscosity values between PP/CNT and PP/Al-flake composites. PP/Al–CNT composite showed higher tensile modulus and lower tensile strength with increasing filler content compared to PP/CNT and PP/Al-flake composites.
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