silica; sol-gel; phase separation; small angle X-ray scattering
Abstract :
[en] Time-resolved small angle X-ray scattering data are collected during the formation of silica gels from the base catalyzed polymerization of tetraethoxysilane in ethanol with 3-(2-aminoethylamino)propyltrimethoxysilane and 3-aminopropyltriethoxysilane as additives. It is shown that a polymerization-induced spinodal demixing occurs during the gel formation. (c) 2005 Elsevier B.V. All rights reserved.
Disciplines :
Materials science & engineering Engineering, computing & technology: Multidisciplinary, general & others Energy Chemical engineering
Author, co-author :
Gommes, Cédric ; Université de Liège - ULiège > Département de Chimie appliquée > Génie chimique - Chimie physique appliquée
Blacher, Silvia ; Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
Goderis, Bart
Pirard, Jean-Paul ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée
Language :
English
Title :
Phase separation during silica gel formation followed by time-resolved SAXS
Publication date :
August 2005
Journal title :
Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
