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1. 发明授权

US06656527B1 Method and device for producing aerogels 失效
标题翻译：生产气凝胶的方法和装置
公开(公告)号：US06656527B1
公开(公告)日：2003-12-02
申请号：US09762003
申请日：2002-07-03
申请人： Thomas Gessner , E. Stefan Schulz , Thoralf Winkler
发明人： Thomas Gessner , E. Stefan Schulz , Thoralf Winkler
IPC分类号： B05D302
CPC分类号： H01L21/02126 , C01B33/1585 , H01L21/02203 , H01L21/02216 , H01L21/02282 , H01L21/31695
摘要： A method of producing an aerogel layer on a substrate is described. A precursor mixture is provided by mixing at least one material selected from the group consisting of silicates, metal alcolates, aluminates and borates with a solvent. The precursor mixture is used to form a lyosol. The precursor mixture or the lyosol formed therefrom is then applied to the substrate wherein a layer of the lyosol is formed on the substrate. A gel is formed from the lyosol by chemical conversion at a temperature at which the solvent is present in a liquid state. At a pressure between 0.5-2.0 torr the ambient temperature is reduced by about 3-70k below the point at which the solvent is converted into a solid state. The solvent is then converted into a gaseous state in a drying chamber while reducing the pressure of the solvent below the triple point and removing solvent from the gel layer.
摘要翻译：描述了在基板上制造气凝胶层的方法。通过将选自硅酸盐，金属醇酸盐，铝酸盐和硼酸盐的至少一种材料与溶剂混合来提供前体混合物。前体混合物用于形成溶胶。然后将前体混合物或由其形成的溶菌液施加到基底上，其中在基底上形成溶胶液层。在溶剂以液态存在的温度下通过化学转化从溶胶中形成凝胶。在0.5-2.0托之间的压力下，环境温度比溶剂转化成固态的点低约3-70k。然后将溶剂在干燥室中转化为气态，同时将溶剂的压力降低到三重点以下，并从凝胶层除去溶剂。

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