화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.23, No.8, 713-718, August, 2015
DOI10.1007/s13233-015-3096-z  Export Citation
Electrical and mechanical properties of polyethylene/MWCNT composites produced by polymerization using Cp2 ZrCl2 supported on MWCNTs
Seung Woong Yoon1, 2, Seungjun Lee3, Insung S. Choi1, 4, Youngkyu Do1, 4, and Sungjin Park3, †
  • 1Department of Chemistry, KAIST, Daejeon, 305-701, Korea
  • 2Daedeok Research Institute, Honam Petrochemical Corporation, Daejeon, 305-726, Korea
  • 3Department of Chemistry and Chemical Engineering, Inha University, Incheon, 402-751, Korea
  • 4, Korea
E-mail:
Pristine multiwalled carbon nanotube (MWCNT)/polyethylene (PE) composites produced by in situ polymerization using a metallocene (Cp2ZrCl2) immobilized onto MWCNT are used for measurement of electrical, thermo- and dynamic mechanical properties. As the content of MWCNT in the composites increased, electrical resistivity decreased and heat distortion temperature (HDT) and storage modulus increased due to well-dispersed CNT strands in the PE matrix. The lowest average electrical surface and volume resistivities were 1.0×1010 Ω and 4.1×109 Ω·cm, respectively and this result was supported by electrostatic force microscopy (EFM). In practical point of view, decrease of electrical resistivity of the composites is highly important in fabrication of antistatic polyolefin products including PEs in this study.
Keywords:carbon nanotubes;polymer composites;electrical properties;thermomechanical properties;metallocene catalyst
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