Abstract
Well-defined POSS/PS copolymers based on polyhedral oligomeric silsesquioxane (POSS) were synthesized by atom transfer radical polymerization (ATRP) using POSS-Br as the initiator and CuBr/PMDETA as catalyst system. A POSS with two terminal hydroxyl groups (POSS-OH) was synthesized via the reaction of POSS-Cl with diethanolamine in N, N-dimethylformamide. Then the POSS-Br was achieved by the reaction of POSS-OH with 2-bromoisobutyrylbromide in dry THF. The structures of POSS and POSS/PS composite were characterized by FTIR、NMR and GPC, which all agreed well with the theoretical values. Additionally,we investigated the POSS/PS composites thermal properties by TGA technology.
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This research was financially supported by National Natural Science Foundation of China [NO.50673023]
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Wang, W., Ding, W., Yu, J. et al. Synthesis and characterization of a novel POSS/PS composite via ATRP of branched functionalized POSS. J Polym Res 19, 9948 (2012). https://doi.org/10.1007/s10965-012-9948-8
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DOI: https://doi.org/10.1007/s10965-012-9948-8