Fabrication of nanoporous aerogels via freeze substitution of nanowire suspensions
US10391466B2 · kind B2 · utility
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6References
13Claims
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Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Oct 21, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/0091
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of making a nanoporous aerogel includes the steps of providing nanowire suspensions, freeze casting the nanowire suspensions to produce freeze-cast gels, extracting the frozen medium from the freeze-cast gels by freeze-substitution with a solvent to produce wet gels, modifying or functionalizing the wet gels as needed, and drying the wet gels to produce a nanoporous aerogel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.