Journal
JOURNAL OF POLYMER RESEARCH
Volume 18, Issue 5, Pages 1017-1021Publisher
SPRINGER
DOI: 10.1007/s10965-010-9502-5
Keywords
TiO(2); Atom transfer radical polymerization (ATRP); Graft; Nanoparticles; Copolymer
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Funding
- Youth Foundation of Jiangxi Educational Committee [GJJ10180]
- Foundation of Key Laboratory of Jiangxi Educational Committee [09679]
- Natural Science Foundation of Jiangxi [2009GQC0099]
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A new method is presented for grafting poly(2-hydroxyethyl methacrylate-co-methyl methacrylate) (P(HEMA-co-MMA)) chains from the surface of TiO(2) nanoparticles via atom transfer radical polymerization (ATRP). First, the ATRP initiators were immobilized onto the TiO(2) 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 TiO(2) surface by ATRP. The resulting composite nanoparticles were characterized by means of XPS, FT-IR, (1)H NMR, GPC and TGA. The results indicated that the grafting of copolymer chains from the TiO(2) surface was successful. This method opens up new avenues for the preparation of TiO(2)-polymer nanocomposites.
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