Abstract
A new method is presented for grafting poly(2-hydroxyethyl methacrylate-co-methyl methacrylate) (P(HEMA-co-MMA)) chains from the surface of TiO2 nanoparticles via atom transfer radical polymerization (ATRP). First, the ATRP initiators were immobilized onto the TiO2 surface by using 3-aminopropyltriethoxysilane coupling agent and 2-bromoisobutyryl bromide. Then the copolymerization of 2-hydroxyethyl methacrylate with methyl methacrylate was initiated and propagated on the TiO2 surface by ATRP. The resulting composite nanoparticles were characterized by means of XPS, FT-IR, 1H NMR, GPC and TGA. The results indicated that the grafting of copolymer chains from the TiO2 surface was successful. This method opens up new avenues for the preparation of TiO2-polymer nanocomposites.
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Acknowledgement
This work was supported by Youth Foundation of Jiangxi Educational Committee (No. GJJ10180), Foundation of Key Laboratory of Jiangxi Educational Committee (No. 09679) and Natural Science Foundation of Jiangxi (No. 2009GQC0099).
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Xiong, L., Liang, H., Wang, R. et al. A novel route for the synthesis of poly(2-hydroxyethyl methacrylate-co-methyl methacrylate) grafted titania nanoparticles via ATRP. J Polym Res 18, 1017–1021 (2011). https://doi.org/10.1007/s10965-010-9502-5
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DOI: https://doi.org/10.1007/s10965-010-9502-5