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US 12,605,688 B2Granted
Aerogel foams and methods of preparing the same
AssigneeBoard of Regents, The University of Texas System
InventorsSadeq Malakooti, Hongbing Lu
Life of this patent
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Abstract
Provided by the inventive concept are aerogel foams as solid materials including hierarchical porosity created by a foam-like structure embedded in the skeletal framework of a regular aerogel, methods of preparing the same without the presence and/or use of added chemical foaming agents, prefabricated templates, supercritical fluids and/or sacrificial chemicals, and methods of using the same.
Claims12
A method of preparing an aerogel foam comprising:
- subjecting a sol formulation suitable for forming an aerogel to pressure;
- and
- gradually depressurizing the sol formulation over time,
- to provide an aerogel foam comprising a hierarchical porosity.
1 more element
Dependencies are inferred from the claim text.