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SiO2 gel-glasses prepared from alkoxide, colloidal and amine-silicate solutions, a comparison |
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| Authors: | M. Guglielmi G. Scarinci N. Maliavski A. Bertoluzza C. Fagnano M.A. Morelli |
| Affiliation: | Istituto di Chimica Industriale, Università di Padova, Italy Department of General Chemistry, Institute of Building Engineering, Moscow, USSR ** Istituto “G. Ciamician”, Università di Bologna, Italy * Istituto di Scienze Chimiche, Università di Bologna, Italy |
| Abstract: | Silica gels were prepared by the alkoxide, collidal and amine-silicate methods. The obtained gels and glasses were characterized by density and Vickers microhardness measurements, thermal analysis and Raman spectroscopy. Differences in physical properties and in the behavior during thermal treatment are discussed and related to the process chemistry and the structure of the products. |
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