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Nanocomposite means a composite into which the filler exhibits one dimension in the “nanonometer” (10−9 m) scale. Composites of polymers and nanofillers have attracted increased attention recent years because of some superior engineering properties compared to neat polymer. Nanosized additives, used as low loadings, can significantly affect the properties of polymeric materials [1; 2; 3]. The formation of polymer nanocomposite consists on intercalation of a polymer chain in between layer clay or polymerization of intercalated in layer monomer. Two main types of polymer/clay nanocomposites showing different morphology may be distinguished. In the first case, polymer chains are inserted into the clay structure and contribute to the expansion of layers while the latter retain their stack-like arrangement. This type of morphology is called intercalated.
