Method of casting aerogels
Patent
·
OSTI ID:868910
- Livermore, CA
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.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Regents of University of California (Oakland, CA)
- Patent Number(s):
- US 5242647
- OSTI ID:
- 868910
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/264/65/423/
001
account
aerogel
aerogels
alcogel
cast
casting
castings
cm
densities
describes
dimensions
drying
drying step
eliminate
extraction
facilitate
facilitate removal
flexible
flexible polymer
irregular
irregular surfaces
method
mold
molds
monolithic
occurs
polymer
preselected
range
regular surface
removal
shapes
shrinkage
silica
silica aerogel
solvent
step
supercritical
supercritical extraction
surfaces
transparent
transparent silica
various
various shapes
001
account
aerogel
aerogels
alcogel
cast
casting
castings
cm
densities
describes
dimensions
drying
drying step
eliminate
extraction
facilitate
facilitate removal
flexible
flexible polymer
irregular
irregular surfaces
method
mold
molds
monolithic
occurs
polymer
preselected
range
regular surface
removal
shapes
shrinkage
silica
silica aerogel
solvent
step
supercritical
supercritical extraction
surfaces
transparent
transparent silica
various
various shapes