Effect of Preparation Method of Multi-Walled Carbon Nanotube/Poly(methyl methacrylate) Nanocomposite on Its Characteristics

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Abstract:

Multi-walled carbon nanotube (MWNTs)/poly(methyl methacrylate) (PMMA) nanocomposites were prepared by both coagulation and solvent casting methods in this study. Dispersibility of the MWNTs in the PMMA matrix was compared with each other using both scanning electron microscopy (SEM) and photograph. MWNTs from the solvent casting method were found to be dispersed better in the matrix, indicating that the dispersion state of the MWNTs depends on the preparation procedure. Moreover, using a stress-controlled rotational rheometer we investigated their rheological properties under small amplitude oscillation in their melt state. Well dispersed MWNTs in the PMMA matrix prepared by the solvent casting method efficiently blocked energy dissipation and relaxation of the PMMA chains, resulting in a lower tan with increased solid-like property.

Keywords: CARBON NANOTUBES; COAGULATION METHOD; PMMA; SOLVENT CASTING METHOD

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.1564

Publication date: October 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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