气泡
材料科学
凝点
粒子(生态学)
化学工程
溶胶凝胶
成核
硅胶
盐酸
混合(物理)
毛细管作用
起泡点
催化作用
纳米技术
复合材料
化学
有机化学
冶金
聚合物
海洋学
物理
量子力学
并行计算
计算机科学
工程类
地质学
作者
Yong Sheng Han,Yoshie Tarutani,Masayoshi Fuji,Minoru Takahashi
出处
期刊:Advanced Materials Research
日期:2006-02-01
卷期号:11-12: 673-676
被引量:9
标识
DOI:10.4028/www.scientific.net/amr.11-12.673
摘要
The feasibility of bubble templating method to prepare hollow particles was tested in this paper by passing a bubble into a silica sol. The silica sol was prepared by mixing TEOS, water, alcohol and hydrochloric acid. To control the gel point, the reactants and their concentrations were varied in each experiment. After the sol was prepared, an ammonia bubble was introduced into the prepared sol through a capillary tube. With the catalysis of ammonia, the silica sol gelled on the surface of bubble and formed a hollow gel particle. The nucleation of silica gel on the surface of bubble was discussed in this paper.
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