Phase separation during silica gel formation followed by time-resolved SAXS

被引：8
|
作者：
Gommes, CJ
Blacher, S
Goderis, B
Pirard, JP
机构：
[1] Univ Liege, Lab Genie Chim, B-4000 Liege, Belgium
[2] Katholieke Univ Leuven, Lab Macromol Structuurchem, B-3001 Heverlee, Belgium
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2005年 / 238卷 / 1-4期
关键词：
silica; sol-gel; phase separation; small angle X-ray scattering;
D O I：
10.1016/j.nimb.2005.06.035
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
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.
引用
收藏
页码：141 / 145
页数：5
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