Summary: A facile and organic‐solvent‐free method for preparing thermoprocessable multiwalled carbon nanotube (MWCNT)‐filled thermoplastics is presented. MWCNTs are oxidized, neutralized, and then assembled with cationic soap‐free poly(methyl methacrylate) (PMMA) particles directly in water. The spontaneous electrostatic coupling between the negatively charged MWCNTs and positively charged PMMA particles, and the viscoelastic and thermomechanical behavior of the nanocomposites, are investigated. The electrostatic coupling interactions improve the dispersion of nanotubes and facilitate the formation of filler networks in the polymer matrix. Preparation of nanocomposites of oxidized MWCNTs and positively charged PMMA particles through electrostatic assembly. image Preparation of nanocomposites of oxidized MWCNTs and positively charged PMMA particles through electrostatic assembly.
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Peng et al. (2006) studied this question.
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