Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same
US7491262B2 · kind B2 · utility
6Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2005 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Apr 10, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C7/144
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is provided a nanocomposite membrane comprising an Ag-nanoparticle/polymer nanocomposite, in which the Ag-particles are uniformly dispersed in the polymer matrix, and a support membrane for supporting the nanocomposite, as well as a process of preparing said membrane. The nanocomposite membrane of the present invention comprising a neutral Ag-nanoparticle as an olefin carrier, which is chemically stable, has excellent long-term operation performance characteristics as well as high selectivity and permeability. Thus, it can be advantageously used for the separation of olefin from an olefin/paraffin mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.