Mesoporous composite gels an aerogels
US6492014B1 · kind B1 · utility
59Cited by
16References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Mar 31, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249986
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composite gel or aerogel is formed by commingling a particulate guest (such as a colloidal or dispersed (i.e., non-colloidal) solid or a powder) with a sol which is either about to gel or in which gelation has just started. After addition of the particulate, the mixture is then permitted to gel into a solid, gelled composite with open pores. This solid, gelled composite is then dried in a manner that prevents the collapse of open pores within the solid, gelled composite in which the gel acts as a “nanoglue” that holds the particles together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.