Wang, SR and Liang, ZY and Liu, T and Wang, B and Zhang, C (2006) Effective amino-functionalization of carbon nanotubes for reinforcing epoxy polymer composites. NANOTECHNOLOGY, 17 (6). pp. 1551-1557.
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Official URL: http://dx.doi.org/10.1088/0957-4484/17/6/003
An effective functionalization method was investigated to take full advantage of the exceptional performance of both carbon nanotubes and epoxy polymer for composite application. Epoxy polymer curing agent, EPI-W, was grafted to the single-walled carbon nanotubes through diazotization. Fourier transformed infrared spectroscopy, Raman spectroscopy, differential scanning calorimetry, dynamical mechanical analysis and thermo-gravimetric analysis were performed to characterize the functionalization effect. The degree of functionalization was estimated to be 1 in 50 carbons in the nanotube framework. The elastic modulus of the nanocomposite was enhanced 24.6% with only 0.5 wt% loading of functionalized carbon nanotubes, in contrast to the 3.2% increase of un-functionalized carbon nanotube reinforced composite. This significant improvement suggested an effective way to realize an industrial application of nanotubes reinforcing epoxy composite.
|Subjects:||Material Science > Functional and hybrid materials|
Engineering > Nanotechnology applications in mechanical engineering
|Deposited By:||Farnush Anwar|
|Deposited On:||22 Jan 2009 14:56|
|Last Modified:||29 Jan 2009 14:13|
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