期刊
INTERNATIONAL JOURNAL OF SMART AND NANO MATERIALS
卷 2, 期 3, 页码 176-193出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19475411.2011.594104
关键词
epoxy resin; nanocomposite; carbon nanotube; ionic liquid functionalization
资金
- NBIT Program - Ministry of Science and Technology of Korea
- US Air Force Office of Scientific Research
- National Science Foundation - Nanoscale Interdisciplinary Research Team (NIRT)
- Materials Processing and Manufacturing [CMMI 10-30755]
- NSF IGERT: Materials Creation Training Program [(MCTP) -DGE-0654431]
- California Nano Systems Institute
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.
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