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Title Sol-gel Synthesis of β-Cyclodextrin-containing Silicas with 3-(chloropropyl)triethoxysilane as Precursor
Authors Trofymchuk, I.M.
Belyakova, L.A.
ORCID
Keywords Sol-gel synthesis
Silica
Incorporation
β-Cyclodextrine
Tetraethylorthosilicate
3-(chloropropyl)triethoxysilane
Type Conference Papers
Date of Issue 2013
URI http://essuir.sumdu.edu.ua/handle/123456789/35233
Publisher Sumy State University
License
Citation Trofymchuk, I.M. Sol-gel Synthesis of â-Cyclodextrin-containing Silicas with 3-(chloropropyl)triethoxysilane as Precursor [Текст] / I.M. Trofymchuk, L.A. Belyakova // Nanomaterials: Applications & Properties (NAP-2013): 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy: Sumy State University, 2013. - V.2, No3. - 03NCNN10
Abstract The sol-gel synthesis of β-cyclodextrin-containing silica materials is reported. Organosilicas were pre-pared in tetraethylorthosilicate–3-(chloropropyl)triethoxysilane–β-cyclodextrin–ethanol–water system. These materials were characterized by IR spectroscopy and thermogravimetric analysis. Porosity of orga-nosilicas was characterized on nitrogen adsorption/desorption isotherms. The porosity analysis demon-strates that cyclodextrin-silica based materials are an isotherm Type I substance. The surface areas of the organosilicas with incorporated β-cyclodextrin are in the range 430–580 m2 g1; materials containing up to 0.005 mmol g1of β-cyclodextrin moieties have been successfully prepared. Synthesized organosilicas are stable in aqueous medium and could be used in processes of pollutants removal. The present study demon-strates a simple time-saving method of cyclodextrin-containing silicas obtaining via one-pot synthesis in mild condition without using toxic solvents, costly templates or cyclodextrin derivatives. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35233
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