TETRAZOLE FUNCTIONALIZED POLYMER MEMBRANES

The present invention discloses a new type of high selectivity UV-cross-linked tetrazole group functionalized polymer nanosieve (TZPIM) membranes, their preparation, as well as their use for gas and liquid separations. The UV-cross-linked TZPIM membrane showed more than 50% improvement in CO2/CH4 se...

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Bibliographische Detailangaben
Hauptverfasser:	BOWEN TRAVIS C, SCHOTT MARK E, LIU CHUNQING
Format:	Patent
Sprache:	eng
Schlagworte:	CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG] CHEMISTRY COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention discloses a new type of high selectivity UV-cross-linked tetrazole group functionalized polymer nanosieve (TZPIM) membranes, their preparation, as well as their use for gas and liquid separations. The UV-cross-linked TZPIM membrane showed more than 50% improvement in CO2/CH4 selectivity and more than 30% improvement in CO2/N2 selectivity compared to the uncross-linked TZPIM membrane for CO2/CH4 and CO2/N2 separations, respectively.