Organo-amine acid gas adsorption-desorption polymers, processes for preparing same, and uses thereof
US9115260B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jun 10, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An adsorption-desorption material, in particular, crosslinked organo-amine polymeric materials having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material, and linear organo-amine polymeric materials having an Mw from about 160 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0 cc/g, and an adsorption capacity of at least about 0.2 millimoles adsorbed CO2 per gram of adsorption-desorption material. This disclosure also relates to processes for preparing the crosslinked and linear organo-amine materials, as well as to selective removal of CO2 and/or other acid gases from a gaseous stream using the adsorption-desorption materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.