SOL-GEL PROCESSING OF SILICA. II. THE ROLE OF THE CATALYST

被引：0

作者：

Pope, E.J.A. ^{[1
]}

Mackenzie, J.D. ^{[1
]}

机构：

[1] Univ of California, Los Angeles, CA,, USA, Univ of California, Los Angeles, CA, USA

来源：

Journal of Non-Crystalline Solids | 1986年 / 87卷 / 1 & 2期

关键词：

CATALYSTS - GLASS - SILICA GEL;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the sol-gel synthesis of silica, a silicon-containing raw material, a solvent, water, and a catalyst are utilized. By varying the catalyst, dramatic effects on gelation time, porosity, bulk and apparent density, and volume shrinkage on drying were observed. For example, porosities ranging from two to sixty-eight per cent can be obtained for dried and fired gels. Mechanisms for catalysis have been proposed for the catalysts considered.

引用

页码：185 / 198

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