Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Preparation of Norbornene-functionalized MWNT and Its Nanocomposite with DCPD

Norbornene 기능화 MWNT 제조 및 DCPD와의 나노복합재료

  • No, Heun Hyo (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Yang, Guang (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Cho, Donghwan (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Lee, Jong Keun (Department of Polymer Science and Engineering, Kumoh National Institute of Technology)
  • 노흔효 (금오공과대학교 고분자공학과) ;
  • 양광 (금오공과대학교 고분자공학과) ;
  • 조동환 (금오공과대학교 고분자공학과) ;
  • 이종근 (금오공과대학교 고분자공학과)
  • Received : 2016.05.17
  • Accepted : 2016.06.11
  • Published : 2016.06.30
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Abstract

Multi-walled carbon nanotubes (MWNT) were grafted with norbornene groups (MWNT-g-Norbornene) and incorporated into dicyclopentadiene (DCPD) to produce a nanocomposite cured by ring-opening metathesis polymerization (ROMP). The functionalization of the MWNT surfaces during the modification procedure was confirmed by means of FT-IR spectroscopy. Tensile test results showed that the toughness of the DCPD/MWNT-g-Norbornene nanocomposites was considerably increased by about 220%, compared to that of neat DCPD. The enhanced toughness could be a result of increased dispersion of MWNT-g-Norbornene and increased interfacial adhesion between the functionalized MWNT and DCPD, as revealed by FE-SEM images of the fractured surfaces.

Keywords

References

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