A highly permeable polyimide with enhanced selectivity for membrane gas separations

By Y. Rogan, R. Malpass‐Evans, M. Carta, Michael Lee, Johannes Carolus Jansen, P. Bernardo, G. Clarizia, E. Tocci, K. Friess, M. Lanč and 1 more. 2014

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A highly gas permeable polyimide with improved molecular sieving properties is produced by using a bisanhydride monomer based on the rigid ethanoanthracene unit. The polymer (PIM-PI-EA) demonstrates enhanced selectivity for gas separations so that its gas permeability data lie above the 2008 Robeson upper bounds for the important O2–N2, H2–N2, CO2–CH4 and CO2–N2 gas pairs.

Subfields: Materials Chemistry, Mechanical Engineering, Polymers and Plastics

View Paper: https://www.semanticscholar.org/paper/ba976029e35ff3a9ca2204a149a7d7a70834cf22