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@article{1300517, author = {Škoda, David and Stýskalík, Aleš and Moravec, Zdeněk and Bezdička, Petr and Barnes, Craig E. and Pinkas, Jiří}, article_location = {Dordrecht (Netherlands)}, article_number = {3}, doi = {http://dx.doi.org/10.1007/s10971-015-3666-8}, keywords = {Non-hydrolytic sol-gel; Templating; Acetamide elimination; Mesoporous; Epoxidation Catalysis}, language = {eng}, issn = {0928-0707}, journal = {Journal of Sol-Gel Science and Technology}, title = {Mesoporous titanosilicates by templated non-hydrolytic sol–gel reactions}, url = {http://link.springer.com/article/10.1007%2Fs10971-015-3666-8#}, volume = {74}, year = {2015} }
TY - JOUR ID - 1300517 AU - Škoda, David - Stýskalík, Aleš - Moravec, Zdeněk - Bezdička, Petr - Barnes, Craig E. - Pinkas, Jiří PY - 2015 TI - Mesoporous titanosilicates by templated non-hydrolytic sol–gel reactions JF - Journal of Sol-Gel Science and Technology VL - 74 IS - 3 SP - 810 - 822 EP - 810 - 822 PB - Springer SN - 09280707 KW - Non-hydrolytic sol-gel KW - Templating KW - Acetamide elimination KW - Mesoporous KW - Epoxidation Catalysis UR - http://link.springer.com/article/10.1007%2Fs10971-015-3666-8# L2 - http://link.springer.com/article/10.1007%2Fs10971-015-3666-8# N2 - A novel templated non-hydrolytic sol–gel synthesis of titanosilicate xerogels is reported. Acetamide elimination from silicon acetate and titanium diethylamide allows obtaining titanosilicates with a high content of Si-O-Ti bonds but low surface areas. These xerogels lose porosity on calcination. However, with addition of Pluronic P123 as a structure-directing agent, we synthesized mesoporous titanosilicate materials with large surface areas (up to 615 m2 g-1) and well dispersed tetrahedral Ti that are stable at temperatures up to 500 °C. These potential catalysts were characterized by variety of physico-chemical methods (IR, GC–MS, XRD, 29Si and 13C CPMAS NMR, DRUV-Vis, and N2 porosimetry) and tested in cyclohexene epoxidation with cumyl hydroperoxide in toluene. They display catalytic activity with the 100 % selectivity to cyclohexene oxide and high catalytic yields up to 96 % which is comparable to previously reported titanosilicate catalysts. ER -
ŠKODA, David, Aleš STÝSKALÍK, Zdeněk MORAVEC, Petr BEZDIČKA, Craig E. BARNES and Jiří PINKAS. Mesoporous titanosilicates by templated non-hydrolytic sol–gel reactions. \textit{Journal of Sol-Gel Science and Technology}. Dordrecht (Netherlands): Springer, 2015, vol.~74, No~3, p.~810 - 822. ISSN~0928-0707. Available from: https://dx.doi.org/10.1007/s10971-015-3666-8.
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