{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["57(19)"],"submitter":["Martinez-Lopez JC"],"pubmed_abstract":["Boosting the transport and selectivity properties of membranes based on polymers of intrinsic microporosity (PIMs) toward one specific working analyte of interest is challenging. In this work, a novel family of PIM membranes, prepared by casting and exhibiting optima mechanical properties and high thermal stability, was synthesized from 4,4'-(2,2,2-trifluoro-1-phenylethane-1,1-diyl) bis(benzene-1,2-diol) and two tetrafluoro-nitrile derivatives. Gas permeability measurements evidenced a CO<sub>2</sub>/CH<sub>4</sub> selectivity up to 170% relative to the reference polymer, PIM-1, in agreement with their calculated fractional free volume and the analysis of the textural properties by N<sub>2</sub> and CO<sub>2</sub> gas adsorption. Besides, the chemical modification by acid hydrolysis of the"],"journal":["Macromolecules"],"pagination":["9442-9456"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11468783"],"repository":["biostudies-literature"],"pubmed_title":["Dibenzodioxin-Based Polymers of Intrinsic Microporosity with Enhanced Transport Properties for Lithium Ions in Aqueous Media."],"pmcid":["PMC11468783"],"pubmed_authors":["Zhao EW","van Eck E","Silva Testa G","Oliver Cuenca V","Lozano AE","Carretero-Gonzalez J","Santos Rodriguez M","Martinez-Lopez JC","Alvarez C"],"additional_accession":[]},"is_claimable":false,"name":"Dibenzodioxin-Based Polymers of Intrinsic Microporosity with Enhanced Transport Properties for Lithium Ions in Aqueous Media.","description":"Boosting the transport and selectivity properties of membranes based on polymers of intrinsic microporosity (PIMs) toward one specific working analyte of interest is challenging. In this work, a novel family of PIM membranes, prepared by casting and exhibiting optima mechanical properties and high thermal stability, was synthesized from 4,4'-(2,2,2-trifluoro-1-phenylethane-1,1-diyl) bis(benzene-1,2-diol) and two tetrafluoro-nitrile derivatives. Gas permeability measurements evidenced a CO<sub>2</sub>/CH<sub>4</sub> selectivity up to 170% relative to the reference polymer, PIM-1, in agreement with their calculated fractional free volume and the analysis of the textural properties by N<sub>2</sub> and CO<sub>2</sub> gas adsorption. Besides, the chemical modification by acid hydrolysis of the","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Oct","modification":"2026-06-07T07:43:54.318Z","creation":"2025-04-04T08:17:00.18Z"},"accession":"S-EPMC11468783","cross_references":{"pubmed":["39399831"],"doi":["10.1021/acs.macromol.4c01243"]}}