Brusatin, Giovanna and Innocenzi, Plinio and Guglielmi, Massimo and Babonneau, Florence (2003) Basic catalyzed synthesis of hybrid sol-gel materials based on 3-glycidoxypropyltrimethoxysilane. Journal of Sol-Gel Science and Technology, Vol. 26 (1-3), p. 303-306. eISSN 1573-4846. Article.
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Hybrid organic-inorganic materials derived from 3-glycidoxypropyltrimethoxysilane have been synthesised using 3-aminoethylaminopropyltriethoxysilane as basic catalyst of epoxy polymerisation and modifier of the structure. Different amounts of aminoethylaminopropyltriethoxysilane have been used to prepare films and bulk samples, from 17 to 48 mol% with respect to the alkoxide content. The materials have been characterised by Fourier Transform Infrared, Raman and multinuclear solid-state Nuclear Magnetic Resonance spectroscopy. Complete opening of epoxy rings in 3-glycidoxypropyltrimethoxysilane has been obtained and the different amounts of catalysts employed directly affected the degree of inorganic cross-linking.
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