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

被引：27
|
作者：
Diaz-Benito, B. [1 ]
Velasco, F. [1 ]
Martinez, F. J. [1 ]
Encinas, N. [1 ]
机构：
[1] Univ Carlos III Madrid, Mat Sci & Engn & Chem Engn Dept, Madrid 28911, Spain
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2010年 / 369卷 / 1-3期
关键词：
Nuclear magnetic resonance; Hydrolysis; BTSE silane; ALUMINUM CORROSION; STABILITY; CONDENSATION; PRETREATMENTS; DEPOSITION; COATINGS; SURFACES; TIME;
D O I：
10.1016/j.colsurfa.2010.07.036
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：53 / 56
页数：4
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