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Carboxylic Acid Functionalized Multi-Walled Carbon Nanotube-Adsorption onto Poly(methyl methacrylate) Microspheres

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Abstract:

We prepared multi-walled carbon nanotube (MWNT) coated polymeric microspheres i.e., carboxylic acid functionalized MWNT (c-MWNT) adsorbed onto poly(methyl methacrylate) (PMMA) microspheres. Initially, the MWNT was functionalized with carboxylic acid functional group and PMMA microspheres were synthesized via a dispersion polymerization method separately. The c-MWNT/PMMA microspheres were then fabricated by blending technique i.e., simple mixing of c-MWNT and PMMA microspheres dispersed solutions under ultrasonication. Surface morphologies of the c-MWNT-adsorbed PMMA microspheres were observed using scanning electron microscopy (SEM). In addition, c-MWNT/PMMA microsphere suspension dispersed in silicone oil showed typical electrorheological characteristics of fibril structure under an applied electric field.

Keywords: ELECTRORHEOLOGICAL FLUID; MWNT; PMMA micROSPHERE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.C087

Publication date: February 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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