Method for making monolithic metal oxide aerogels
Abstract
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.
- Inventors:
-
- Livermore, CA
- Issue Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 872537
- Patent Number(s):
- 5958363
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Classifications (CPCs):
-
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 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/
Citation Formats
Coronado, Paul R. Method for making monolithic metal oxide aerogels. United States: N. p., 1999.
Web.
Coronado, Paul R. Method for making monolithic metal oxide aerogels. United States.
Coronado, Paul R. Fri .
"Method for making monolithic metal oxide aerogels". United States. https://www.osti.gov/servlets/purl/872537.
@article{osti_872537,
title = {Method for making monolithic metal oxide aerogels},
author = {Coronado, Paul R},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {1}
}
Works referenced in this record:
Aerogel Synthesis Using Extractive Drying
journal, January 1996
- Smith, D. M.; Ackerman, W. C.; Roth, R.
- MRS Proceedings, Vol. 431