Pyridinium Containing Amide Based Polymeric Ionic Liquids for CO2/CH4 Separation

Sonia Zulfiqar, Daniele Mantione, Omar El Tall, Fernando Ruipérez, Muhammad Ilyas Sarwar, Alexander Rothenberger, David Mecerreyes

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


Herein, we describe the design and synthesis of novel pyridinium containing amide based poly(ionic liquid)s (PAPILs) for CO2 capture and separation. Additionally, a new and unique crystal structure of pyridinium containing diamine monomer [MDAP][TFSI] is also presented. PAPILs reveal potential for CO2/CH4 separation and isosteric heat of adsorption in the physisorption range.
Original languageEnglish (US)
Pages (from-to)10241-10247
Number of pages7
JournalACS Sustainable Chemistry and Engineering
Issue number12
StatePublished - Jun 4 2019

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: Dr. Sonia Zulfiqar is highly grateful for the financial support provided by Marie Curie IIF grant “NABPIL” (No. 629050) from the European Commission under the seventh Framework Programme (FP7-PEOPLE-2013-IIF). Dr. Fernando Ruipérez thanks the technical and human support provided by IZO-SGI, SGIker (UPV/EHU, MICINN, GV/EJ, ERDF, and ESF) for generous allocation of computational resources. Dr. Daniele Mantione is highly thankful for the support provided through EU project FP7-PEOPLE-212-ITN 316832-OLIMPIA. CCDC 1402084 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via, by e-mailing, or by contacting The Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; Fax: (+44) 1223-336033.


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