About: Metallosilicates prepared by non-hydrolytic condensation reactions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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 polycondensation reactions led to the formation of Si-O-Ti bonds and to release of acetic acid ester and diethylacetamide as byproducts, respectively. Then the catalytic activity of xerogels in epoxidation of cyclohexene was studied. Alumosilicates were prepared by reactions between Al(NMe2)3 or Al(OiPr)3 and acetoxysilanes R4-nSi(OAc)n, n = 1-4 and R = Me, Ph, H, OtBu. In this case these non-hydrolytic condensation reactions proceeded with the formation of Si-O-Al networks and dimethylacetamide or acetic acid ester and as byproducts as well. 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 polycondensation reactions led to the formation of Si-O-Ti bonds and to release of acetic acid ester and diethylacetamide as byproducts, respectively. Then the catalytic activity of xerogels in epoxidation of cyclohexene was studied. Alumosilicates were prepared by reactions between Al(NMe2)3 or Al(OiPr)3 and acetoxysilanes R4-nSi(OAc)n, n = 1-4 and R = Me, Ph, H, OtBu. In this case these non-hydrolytic condensation reactions proceeded with the formation of Si-O-Al networks and dimethylacetamide or acetic acid ester and as byproducts as well. (en)
Title	Metallosilicates prepared by non-hydrolytic condensation reactions Metallosilicates prepared by non-hydrolytic condensation reactions (en)
skos:prefLabel	Metallosilicates prepared by non-hydrolytic condensation reactions Metallosilicates prepared by non-hydrolytic condensation reactions (en)
skos:notation	RIV/00216224:14740/13:00069406!RIV14-MSM-14740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(LH11028)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pinkas, Jiří Moravec, Zdeněk Stýskalík, Aleš Škoda, David
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	87497
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/13:00069406
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	non-hydrolytic; inorganic-organic; metallosilicates (en)
http://linked.open.../riv/klicoveSlovo	inorganic-organic metallosilicates non-hydrolytic
http://linked.open...ontrolniKodProRIV	[7D2C09F3E4C6]
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Nonhydrolytic Sol-Gel Reactions for the Synthesis of Silicates and Phosphates with Controlled Porosity and Surface Functionality
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Moravec, Zdeněk Pinkas, Jiří Škoda, David Stýskalík, Aleš Barnes, Craig
http://localhost/t...ganizacniJednotka	14740

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