Exfoliated Poly(Methyl Methacrylate) and Polystyrene/ Nanocomposites Occur when the Clay Cation Contains a Vinyl Monomer

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Journal of Polymer Science Part A: Polymer Chemistry


The bulk polymerization of methyl methacrylate and styrene in the presence of an organically modified clay containing a vinyl group that can be involved in the polymerization produces exfoliated nanocomposites. These nanocomposites have been characterized by X-ray diffraction, transmission electron microscopy, thermogravimetric analysis, mechanical properties, and cone calorimetry. The onset temperature of thermal degradation increases with the mechanical properties. The peak heat release rate is significantly reduced for nanocomposites containing 3 or 5% clay. © 2003 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 41: 1124–1135, 2003


Journal of Polymer Science Part A: Polymer Chemistry, Volume 41, Issue 8, pp 1124–1135 (April, 2003). DOI: 10.1002/pola.10659