Method for making monolithic metal oxide aerogels
Patent
·
OSTI ID:872537
- Livermore, CA
Transparent, monolithic metal oxide aerogels of varying densities are produced using a method in which a metal alkoxide solution and a catalyst solution are prepared separately and reacted. The resulting hydrolyzed-condensed colloidal solution is gelled, and the wet gel is contained within a sealed, but gas permeable, containment vessel during supercritical extraction of the solvent. The containment vessel is enclosed within an aqueous atmosphere that is above the supercritical temperature and pressure of the solvent of the metal alkoxide solution.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Number(s):
- US 5958363
- OSTI ID:
- 872537
- Country of Publication:
- United States
- Language:
- English
Aerogel Synthesis Using Extractive Drying
|
journal | January 1996 |
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Related Subjects
method
monolithic
metal
oxide
aerogels
transparent
varying
densities
produced
alkoxide
solution
catalyst
prepared
separately
reacted
resulting
hydrolyzed-condensed
colloidal
gelled
wet
contained
sealed
gas
permeable
containment
vessel
supercritical
extraction
solvent
enclosed
aqueous
atmosphere
temperature
pressure
oxide aerogels
metal alkoxide
supercritical extraction
critical temperature
containment vessel
metal oxide
gas permeable
varying densities
colloidal solution
monolithic metal
supercritical temperature
alkoxide solution
catalyst solution
oxide solution
prepared separately
/423/501/
monolithic
metal
oxide
aerogels
transparent
varying
densities
produced
alkoxide
solution
catalyst
prepared
separately
reacted
resulting
hydrolyzed-condensed
colloidal
gelled
wet
contained
sealed
gas
permeable
containment
vessel
supercritical
extraction
solvent
enclosed
aqueous
atmosphere
temperature
pressure
oxide aerogels
metal alkoxide
supercritical extraction
critical temperature
containment vessel
metal oxide
gas permeable
varying densities
colloidal solution
monolithic metal
supercritical temperature
alkoxide solution
catalyst solution
oxide solution
prepared separately
/423/501/