The structure of polypropylene-TiO2 organoinorganic nanocomposites prepared via solvent crazing |
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| Authors: | A V Volkov V V Polyanskaya M A Moskvina A A Tunyan S B Zezin A I Dement’ev A L Volynskii N F Bakeev |
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| Institution: | 1. Department of Chemistry, Moscow State University, Moscow, 119991, Russia
2. Moscow State Pedagogical University, Nesvizhskii per. 3, Moscow, 119882, Russia
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| Abstract: | A method is developed for crazing-based production of mechanically strong hybrid polypropylene film composites containing amorphous titanium dioxide nanophase (up to ～30 wt %). As a whole, the morphology of the composite represents an interpenetrating network in which the inorganic component (TiO2) is distributed in the nanoporous structure of a polypropylene matrix. The structure and composition of amorphous titanium dioxide present an ensemble of TiO2 nanoparticles with a size of ～1 nm (20 wt %) included in a loose network of titanium oxopolymers (80 wt %) containing ～30 wt % side OC3H7 and OH groups bonded to titanium atoms. |
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