2007 NSTI Nanotechnology Conference and Trade Show - Nanotech 2007 - 10th Annual

Nanostructured Polymeric Composites for High Performance Applications

M. Calhoun, L. Allie, A. Allie, H. Aglan and P. Dennig
Tuskegee University, US

fracture toughness, hybrid composite and multi-walled carbon nanotubes (MWCNT)

Nanostructured polymeric systems can mitigate some of the severe limitations of conventional polymeric composites. In the present research, nanocomposites of epoxy resins have been synthesized and evaluated. Organically modified layered silicate (OLS) particles and multiwalled carbon nanotubes (MWNT) were used as Nanoreinforcements. Microstructure versus thermal and mechanical performance relationships of these nanocomposites were studied. The microstructure variables included: surface modification of the nanoparticles, the type of resin, the type of reinforcement and the percent loading of the reinforcement. Processing conditions versus thermal and mechanical performance relationships were also studied. The processing condition variables included: methods of dispersion of the nanoparticles in the matrices, and curing time and temperature. Thermal, viscoelastic, tensile, and fracture toughness tests were conducted on the developed nanocomposites to evaluate performance. Fracture surface analysis revealed the various mechanisms by which the OLS and MWNT-reinforced polymer nanocomposites acquired their strength and toughness in comparison with the neat resins. Industries such as adhesives, coatings, textiles, repairs, ultra-light durables and structural components can considerably benefit from the high-performance characteristics of such Nanoreinforcements.

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Nanotech 2007 Conference Program Abstract


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