Epoxy resin nanocomposites reinforced with ionized liquid stabilized carbon nanotubes

Zhe Wang, Xiongtao Yang, Qiang Wang, H. Thomas Hahn, Sang Gi Lee, Kun Hong Lee, Zhanhu Guo

Research output: Contribution to journalArticlepeer-review

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Epoxy resin nanocomposites reinforced with three different ionic liquid functionalized carbon nanotubes (f-CNTs) were fabricated by an in situ polymerization method. The influence of the anions on the curing process was studied through differential scanning calorimetry (DSC) and normalized Fourier transform infrared (FTIR) spectroscopy. The composition of the nanocomposites was analyzed by X-ray photoelectron spectroscopy. Two different mechanisms are proposed to explain the curing process of the neat epoxy and its composites. The electric conductivity and mechanical properties of the nanocomposites are also reported. The tensile strength was increased dramatically due to the insertion of f-CNTs. Scanning electron microsopy fracture surface analysis indicates a strong interfacial bonding between the carbon nanotubes and the polymer matrix.

Original languageEnglish
Pages (from-to)176-193
Number of pages18
JournalInternational Journal of Smart and Nano Materials
Issue number3
StatePublished - Sep 2011

Bibliographical note

Funding Information:
This paper is based on work supported by the NBIT Program funded jointly by the Ministry of Science and Technology of Korea and the US Air Force Office of Scientific Research. Dr. Z. Guo appreciates the support from the National Science Foundation - Nanoscale Interdisciplinary Research Team (NIRT) and Materials Processing and Manufacturing (CMMI 10-30755). Thanks for NSF IGERT: Materials Creation Training Program (MCTP) -DGE-0654431 and the California Nano Systems Institute.


  • Carbon nanotube
  • Epoxy resin
  • Ionic liquid functionalization
  • Nanocomposite


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