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Hydrolysis study of bis-1, 2-(triethoxysilyl) ethane silane by NMR

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https://doi.org/10.1016/j.colsurfa.2010.07.036

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2010

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Elsevier
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https://hdl.handle.net/20.500.14352/99881

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Díaz-Benito B, Velasco F, Martínez FJ, Encinas N. Hydrolysis study of bis-1,2-(triethoxysilyl)ethane silane by NMR. Colloids Surf A. 2010 Oct 20;369(1-3):53-56

Abstract

The hydrolysis process of bis-1,2-(triethoxysilyl)ethane (BTSE) was studied in aqueous and methanol solutions at pH 4. Nuclear magnetic resonance (NMR) evaluation of different solutions was carried out for 7 days. Unlike other researches, methanol-rich solutions are proven inadequate to reach a complete hydrolysis process. In water-rich solutions, hydrolysis takes place for 3 days, 85% of the silane molecules being transformed into silanols; this amount continues increasing up to the seventh day of hydrolysis.

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Authors wish to acknowledge the Ministry of the Environment (through project 136/PC08/3-11.2) for their financial support in this research.

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Materiales, Ingeniería química

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33 Ciencias Tecnológicas

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