Abstract

Polystyrene/TiO 2 nanocomposite particles were synthesized in high yield by in situ polymerizing styrene in the presence of 3-(trimethoxysilyl)propylmethacrylate (MPS) modified nano TiO 2 in ethanol media. Polystyrene/TiO 2 nanocomposite particles were characterized by means of FTIR spectroscopy, elemental analysis, gel permeation chromatography (GPC), and thermogravimetric analysis (TGA). FTIR investigation provided direct and clear evidence for the presence of polystyrene shell on nano TiO 2 core particles, and TGA showed quantitative evidence of the presence of polystyrene shell on nano TiO 2 core particles. It was demonstrated that polystyrene shell was chemically bonded to nano TiO 2 core surface with a high coating efficiency.

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