Effective functionalization of carbon nanotubes for bisphenol F epoxy matrix composites

Zhe Wang, Henry A. Colorado, Zhan Hu Guo, Hansang Kim, Cho Long Park, H. Tomas Hahn, Sang Gi Lee, Kun Hong Lee, Yu Qin Shang

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

A brand-new type of multifunctional nanocomposites with high DC conductivity and enhanced mechanical strength was fabricated. Ionic liquid functionalized Carbon Nanotubes (CNTs-IL) were embedded into epoxy matrix with covalent bonding by the attached epoxy groups. The highest DC conductivity was 8.38 × 10 -3 S.m -1 with 1.0 wt. (%) loading of CNTs-IL and the tensile strength was increased by 36.4% only at a 0.5 wt. (%) concentration. A mixing solvent was used to disperse CNTs-IL in the epoxy monomer. The dispersion and distribution of CNTs-IL in the polymer matrix were measured by utilizing both optical microscopy and scanning electron microscopy, respectively.

Original languageEnglish
Pages (from-to)510-516
Number of pages7
JournalMaterials Research
Volume15
Issue number4
DOIs
StatePublished - Jul 2012

Keywords

  • Carbon nanotubes
  • Carbon-carbon composites
  • Mechanical properties
  • Polymer-matrix composites

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