Metallosilicates prepared by non-hydrolytic condensation reactions

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Authors	ŠKODA David STÝSKALÍK Aleš MORAVEC Zdeněk PINKAS Jiří BARNES Craig
Year of publication	2013
Type	Conference abstract
MU Faculty or unit	Faculty of Science
Citation
Description	Non-hydrolytic sol-gel reactions are efficient alternatives to classical aqueous techniques for synthesis of multimetallic oxides and inorganic-organic hybrid materials. We developed non-hydrolytic sol-gel routes to several groups of metallosilicate hybrid inorganic-organic materials based on polycondensation reactions. Titanosilicate xerogels were prepared by reactions between Ti(NEt2)4 or Ti(OR)4 , R = OiPr,OtBu and Si(OAc)4. These non-hydrolytic condensation reactions lead to form Si–O–Ti bonds and to release acetic acid ester and diethylacetamide as byproducts, respectively. Then the catalytic activity for epoxidation of cyclohexene was studied.
Related projects:	Nehydrolytické sol-gelové reakce pro přípravu křemičitanů a fosforečnanů s řízenou porozitou a funkčními skupinami na povrchu