Method of casting aerogels
Abstract
The invention describes a method for making monolithic castings of transparent silica aerogel with densities in the range from 0.001 g/cm.sup.3 to 0.6 g/cm.sup.3. Various shapes of aerogels are cast in flexible polymer molds which facilitate removal and eliminate irregular surfaces. Mold dimensions are preselected to account for shrinkage of alcogel which occurs during the drying step of supercritical extraction of solvent.
- Inventors:
-
- Livermore, CA
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- OSTI Identifier:
- 868910
- Patent Number(s):
- 5242647
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
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; casting; aerogels; describes; monolithic; castings; transparent; silica; aerogel; densities; range; 001; cm; various; shapes; cast; flexible; polymer; molds; facilitate; removal; eliminate; irregular; surfaces; mold; dimensions; preselected; account; shrinkage; alcogel; occurs; drying; step; supercritical; extraction; solvent; supercritical extraction; various shapes; irregular surfaces; flexible polymer; facilitate removal; silica aerogel; drying step; transparent silica; regular surface; /264/65/423/
Citation Formats
Poco, John F. Method of casting aerogels. United States: N. p., 1993.
Web.
Poco, John F. Method of casting aerogels. United States.
Poco, John F. Fri .
"Method of casting aerogels". United States. https://www.osti.gov/servlets/purl/868910.
@article{osti_868910,
title = {Method of casting aerogels},
author = {Poco, John F},
abstractNote = {The invention describes a method for making monolithic castings of transparent silica aerogel with densities in the range from 0.001 g/cm.sup.3 to 0.6 g/cm.sup.3. Various shapes of aerogels are cast in flexible polymer molds which facilitate removal and eliminate irregular surfaces. Mold dimensions are preselected to account for shrinkage of alcogel which occurs during the drying step of supercritical extraction of solvent.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1993},
month = {Fri Jan 01 00:00:00 EST 1993}
}
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