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Park, Young-Bin
Functional Intelligent Materials Lab (FIMLab)
Research Interests
  • Composites

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Properties of polypropylene composites containing aluminum/multi-walled carbon nanotubes

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Title
Properties of polypropylene composites containing aluminum/multi-walled carbon nanotubes
Author
Kang, Chang HeonYoon, Kwan HanPark, Young-BinLee, Dae-YeolJeong, Sung-Sil
Keywords
A. Polymer-matrix composites (PMCs); Crystallization temperature; Decomposition temperature; E. Extrusion; Filler contents; Polypropylene composite; Tensile moduli; Thermal properties; Twin screw extruders; Viscosity value
Issue Date
201007
Publisher
ELSEVIER SCI LTD
Citation
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, v.41, no.7, pp.919 - 926
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 degrees C for PP to 127 degrees C for the composites. The decomposition temperature increased by 55 degrees C for PP/CNT composite and 75 degrees 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.
URI
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DOI
http://dx.doi.org/10.1016/j.compositesa.2010.03.011
ISSN
1359-835X
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