Title:
無機エーロゲルの未臨界製法
Document Type and Number:
Japanese Patent JP4107395
Kind Code:
B2
Abstract:
PCT No. PCT/EP96/04250 Sec. 371 Date Apr. 14, 1998 Sec. 102(e) Date Apr. 14, 1998 PCT Filed Sep. 30, 1996 PCT Pub. No. WO97/13721 PCT Pub. Date Apr. 17, 1997Preparation of inorganic aerogels based on oxides of the metals magnesium, aluminum, silicon, tin, lanthanum, titanium, zirconium, chromium and/or thorium by producing a hydrogel in a sol/gel process, replacing the water in the hydrogel by an organic solvent, and drying the solvent-moist gel, takes place by conducting the drying step by exposing the solvent-moist gel to an ambient temperature which is above the boiling temperature of the solvent and at a pressure which is below the supercritical pressure of the solvent in such a way that the solvent within the gel is heated up very rapidly and evaporates.
Inventors:
Bernd Ziegler
Thomas Gerber
Thomas Gerber
Application Number:
JP51467797A
Publication Date:
June 25, 2008
Filing Date:
September 30, 1996
Export Citation:
Assignee:
BASF SE
International Classes:
B01J2/04; C01B33/158; B01J13/00; C01B13/32; C01G19/02; C01G23/047; C01G25/02; C01G37/02
Domestic Patent References:
| JP61232204A |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Reinhard Einsel
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