Carbon dioxide separation membrane comprising porous hollow titanium dioxide nanoparticle and manufacturing method thereof
US9233343B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2015 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a carbon dioxide separation membrane. The carbon dioxide separation membrane includes porous hollow titanium dioxide nanoparticles whose surfaces are modified with aminosilane having high affinity with carbon dioxide and a crosslinkable functional group. The carbon dioxide separation membrane provides both improved selectivity and improved permeability. In addition, the carbon dioxide separation membrane includes a copolymer matrix having excellent mechanical properties. Thus, it is possible to provide a carbon dioxide separation membrane having excellent selectivity and permeability as well as improved physical strength, chemical stability and temperature resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.