发明名称 |
Sol-gel process for producing synthetic silica glass |
摘要 |
An improved sol-gel process is disclosed for producing a synthetic silica glass article, in which a sol is formed having a silica loading as high as 34 to 40%. This high loading is achieved by introducing an aqueous colloidal silica suspension into a silicon alkoxide solution and slowly stirring the mixture together, during which time the mixture hydrolyzes and the colloidal suspension is broken down by chemical reaction. This produces a hydrolyzed sol incorporating a suspension of very fine aggregates of colloidal particles, having particle sizes less than about 10 microns. The need for a stabilizing agent and/or continuous ultra-sonicating or violently stirring the sol is eliminated.
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申请公布号 |
US2002157419(A1) |
申请公布日期 |
2002.10.31 |
申请号 |
US20020137098 |
申请日期 |
2002.05.01 |
申请人 |
GANGULI RAHUL;WESTENBERG ENRICO C.J. |
发明人 |
GANGULI RAHUL;WESTENBERG ENRICO C.J. |
分类号 |
C03B8/02;C03B19/12;C03C3/06;(IPC1-7):C03B8/02 |
主分类号 |
C03B8/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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