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[EN] Novel selective polymeric thin-film composite membranes (TFCMs) for applications at elevated temperatures were developed. Thin selective layers of the polyimides Matrimid 5218((R)) and 6FDA-6FpDA were cast on a developed polybenzimidazole (PBI) porous support prepared by a phase inversion process. The TFCM properties were investigated with different gases in a wide temperature range, including temperatures up to 270 degrees C. The membranes showed very high thermal stability and performed well at the elevated temperatures. The development of highly thermally resistant polymeric membranes such as these TFCMs opens opportunities for application in high-temperature integrated processes, such as catalytic membrane reactors for the water-gas shift reaction in order to maximize H-2 yield. This work was financially supported by the project "New reactor technologies for chemical and biochemical synthesis processes" ("Neue Reaktortechnologien fur Chemische und Biochemische Syntheseverfahren", FKZ: LFF FV 43), funded by the City of Hamburg (Freie und Hansestadt Hamburg, Behorde furWissenschaft, Forschung und Gleichstellung), Germany, the Spanish Government (SEV-2016-0683, SVP-2014-068356, Project ENE2014-57651-R and IJCI-2016-28330 grants), and Generalitat Valenciana (PROMETEO/2018/006 grant). Weigelt, F.; Escorihuela-Roca, S.; Descalzo, A.; Tena, A.; Escolástico Rozalén, S.; Shishatskiy, S.; Serra Alfaro, JM.... (2019). Novel Polymeric Thin-Film Composite Membranes for High-Temperature Gas Separations. Membranes. 9(4):1-12. https://doi.org/10.3390/membranes9040051 Schuldt, K., Pohlmann, J., Shishatskiy, S., & Brinkmann, T. (2018). 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Novel Polymeric Thin-Film Composite Membranes for High-Temperature Gas Separations

Abstract