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Materials Research

Print version ISSN 1516-1439


WANG, Zhe et al. Effective functionalization of carbon nanotubes for bisphenol F epoxy matrix composites. Mat. Res. [online]. 2012, vol.15, n.4, pp.510-516.  Epub Aug 07, 2012. ISSN 1516-1439.

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 x 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.

Keywords : carbon-carbon composites; mechanical properties; polymer-matrix composites; carbon nanotubes.

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