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CO 2 Separation by Imide/Imine Organic Cages
Author(s) -
La Cognata Sonia,
Mobili Riccardo,
Milanese Chiara,
Boiocchi Massimo,
Gaboardi Mattia,
Armentano Donatella,
Jansen Johannes C.,
Monteleone Marcello,
Antonangelo Ariana R.,
Carta Mariolino,
Amendola Valeria
Publication year - 2022
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202201631
Subject(s) - imide , membrane , selectivity , imine , gas separation , adsorption , polymer , chemical engineering , materials science , polyimide , polymer chemistry , selective adsorption , chemistry , organic chemistry , catalysis , biochemistry , layer (electronics) , engineering
Two novel imide/imine‐based organic cages have been prepared and studied as materials for the selective separation of CO 2 from N 2 and CH 4 under vacuum swing adsorption conditions. Gas adsorption on the new compounds showed selectivity for CO 2 over N 2 and CH 4 . The cages were also tested as fillers in mixed‐matrix membranes for gas separation. Dense and robust membranes were obtained by loading the cages in either Matrimid® or PEEK‐WC polymers. Improved gas‐transport properties and selectivity for CO 2 were achieved compared to the neat polymer membranes.
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