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

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URI: https://hdl.handle.net/10016/22994
ISSN: 0927-7757
DOI: 10.1016/j.colsurfa.2010.07.036
UXXI: AR/0000007349
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hydrolysis_CSA_2010_ps.pdf (692.76 KB)
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2010-10-20
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Elsevier B.V.
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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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Colloids and surfaces. A, physicochemical and engineering aspects
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