This book compiles articles from the Journal of Characterization and Development of Novel Materials. Topics discussed include the perspectives of polymer nanocomposites applications as engineering materials; polymeric nanocomposites based on the organomodified layered silicates; structural analysis of nanocomposites polymer/organoclay microhardness and kinetics and mechanism of emulsion copolymerization of methyl acrylate with hydrophilic monomers.