Abstract
A novel synthetic route to prepare polystyrene/SiO2 composite microparticles in supercritical carbon dioxide (scCO2) is presented. Silica particles with the size of 130 nm which were surface-modified with 3-(trimethoxysilyl) propyl methacrylate were used as seeds in the dispersion polymerization of styrene in the presence of a polymeric stabilizer, poly(1,1-dihydroheptafluorobutyl methacrylate-co-diisopropylaminoethyl methacrylate) to produce dry composite particles. The transmission electron microscopy analysis revealed that the composite microspheres contained several silica particles.
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This work is supported by the “The Eco-technopia 21 Project” of the Ministry of Environment and the second stage of the BK21 program.
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Do, K.M., Yuvaraj, H., Woo, M.H. et al. Synthesis of polystyrene/SiO2 composite microparticles by dispersion polymerization in supercritical fluid. Colloid Polym Sci 286, 1343–1348 (2008). https://doi.org/10.1007/s00396-008-1892-0
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DOI: https://doi.org/10.1007/s00396-008-1892-0