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Keywords:

  • nanocomposites;
  • fire retardancy;
  • polystyrene;
  • graphite;
  • blending

Abstract

Graphite-polymer nanocomposites were prepared by melt blending of various graphites (virgin graphite, expandable graphites, and expanded graphite) with polystyrene and its copolymers (acrylonitrile-butadiene-styrene (ABS) and high-impact polystyrene (HIPS)). Nanocomposites were characterized by X-ray diffraction, cone calorimetry, thermogravimetric analysis and evaluation of mechanical properties. Nanocomposite formation occurs at higher loadings (3–5%) of expandable graphites but not for virgin or expanded graphite. Copyright © 2005 John Wiley & Sons, Ltd.