发明授权
US07931940B2 Production method of silica aerogel film, anti-reflection coating and optical element
有权
二氧化硅气凝胶膜，防反射涂层和光学元件的生产方法
- 专利标题： Production method of silica aerogel film, anti-reflection coating and optical element
- 专利标题（中）： 二氧化硅气凝胶膜，防反射涂层和光学元件的生产方法
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申请号： US12199097申请日： 2008-08-27
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公开(公告)号： US07931940B2公开(公告)日： 2011-04-26
- 发明人: Mineta Suzuki , Takanobu Shiokawa , Kazuhiro Yamada , Hiroyuki Nakayama , Hideki Yamaguchi , Ayako Maruta
- 申请人： Mineta Suzuki , Takanobu Shiokawa , Kazuhiro Yamada , Hiroyuki Nakayama , Hideki Yamaguchi , Ayako Maruta
- 申请人地址： JP Tokyo
- 专利权人： Hoya Corporation
- 当前专利权人： Hoya Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Greenblum & Bernstein, P.L.C.
- 优先权： JP2007-221212 20070828
- 主分类号： B05D3/04
- IPC分类号： B05D3/04
摘要：
A method for producing a silica aerogel film by hydrolyzing and polymerizing alkoxysilane in the presence of a base catalyst to prepare an alkaline sol, adding an acid catalyst to the alkaline sol to carry out further hydrolysis and polymerization to prepare a first acidic sol, hydrolyzing and polymerizing alkoxysilane in the presence of an acid catalyst to prepare a second acidic sol, applying a mixture of the first and second acidic sols to a substrate, and drying it.
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