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Novel Polymeric Thin-Film Composite Membranes for High-Temperature Gas Separations

Helmholtz-Zentrum Geesthacht, Institute of Polymer Research, Max-Planck-Str.1, 21502 Geesthacht, Germany
Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones, Científicas, Avda. Los Naranjos, s/n, 46022 Valencia, Spain
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Membranes 2019, 9(4), 51;
Received: 13 March 2019 / Revised: 3 April 2019 / Accepted: 8 April 2019 / Published: 10 April 2019
(This article belongs to the Special Issue Polymeric Membranes for Gas Separation)
PDF [2986 KB, uploaded 21 April 2019]


Novel selective polymeric thin-film composite membranes (TFCMs) for applications at elevated temperatures were developed. Thin selective layers of the polyimides Matrimid 5218® 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 °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 H2 yield. View Full-Text
Keywords: thin-film composite membranes; high-temperature applications; high thermal stability; hydrogen; carbon dioxide thin-film composite membranes; high-temperature applications; high thermal stability; hydrogen; carbon dioxide

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Weigelt, F.; Escorihuela, S.; Descalzo, A.; Tena, A.; Escolástico, S.; Shishatskiy, S.; Serra, J.M.; Brinkmann, T. Novel Polymeric Thin-Film Composite Membranes for High-Temperature Gas Separations. Membranes 2019, 9, 51.

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