Composite material for air purification, preparation method therefor and application thereof
US10780379B2 · kind B2 · utility
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2References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2017 |
| Grant date | Sep 22, 2020 |
| Priority date | — |
| Expiry date | Aug 18, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composite material for purifying air includes a porous foam material which is an open-cell polyurethane foam net; and a mixture sprayed on the interior and/or the surface of the porous foam material, the mixture including an absorbent material, a treating agent and an adhesive; wherein the adsorptive material is diatomite, and the treating agent is alkali solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.