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Abstract
Electrophoretic titania-coated polymer nanoparticles, hollow titania nanoparticles and colored polymeric nanospheres were prepared. The charged polymeric nanospheres were manufactured by emulsifier-free emulsion polymerization of methyl methacrylate, ethylene glycol dimethacrylate,butyl acrylate, [2-(methacryloxy)ethyl] trimethyl ammonium chloride. TiO2 coated polymeric nanoparticles were successfully synthesized by the use of the charged polymeric nanoparticles in various reaction media. Colored polymeric nanoparticles based on the positively-charged polymeric nanoparticles were also prepared by disperse dyeing process. The morphology and properties of the colored particles were characterized by using scanning electron microscopy (SEM), UV/visible (UV/Vis) and photoluminescence spectra (PL). The electrophoretic characteristics and mobility of these colored polymeric nanoparticles were also characterized.