NMR study of the hydrolysis and polycondensation of TEOS submitted to the action of ultrasounds

Citation
Ap. Moreno et al., NMR study of the hydrolysis and polycondensation of TEOS submitted to the action of ultrasounds, B S ESP CER, 37(1), 1998, pp. 13-17
Citations number
15
Categorie Soggetti
Material Science & Engineering
Journal title
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO
ISSN journal
03663175 → ACNP
Volume
37
Issue
1
Year of publication
1998
Pages
13 - 17
Database
ISI
SICI code
0366-3175(199801/02)37:1<13:NSOTHA>2.0.ZU;2-1
Abstract
In the present work a study of the gel formation kinetic has been carried o ut by NMR. We show that applying ultrasounds to the mixture TEOS+H2O multip lies concentration of condensed species with regards to the classic obtaine d in alcoholic solution. This difference increases with increasing pH of th e hydrolysis water.