TY - RPRT TI - Spirobisindane-Containing Imidazolium Polyimide Ionene: Structural Design and Gas Separation Performance of “Ionic PIMs” AU - Kammakakam, Irshad AU - O’Harra, Kathryn E. AU - Bara, Jason E. AU - Jackson, Enrique M. PY - 2022 DO - 10.1021/acs.macromol.1c02317 UR - https://www.osti.gov/biblio/1978150 ID - 1978150 ER -