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Synthesis and characterization of the organic surface modifications of monodisperse colloidal silica

 
: Gellermann, C.; Storch, W.; Wolter, H.

:

Journal of Sol-Gel Science and Technology (1997), No.8, pp.173-176
ISSN: 0928-0707
ISSN: 1573-4846
English
Journal Article
Fraunhofer ISC ()

Abstract
Monodisperse colloidal silica spheres were prepared from tetraethylorthosilicate in mixtures of water, ammonia and ethanol. The surfacees of the spheres were successfully modified by chemical reaction with silane coupling agents. Several qualitative and quantitative methods were employed to analyse the organic surface modifications. As a result, the surface coverage of silica spheres with silane coupling agents could be calculated using different characterization mehtods.

: http://publica.fraunhofer.de/documents/PX-35506.html