{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T02:47:07Z","timestamp":1791686827827,"version":"4.3.4"},"reference-count":47,"publisher":"Wiley","issue":"35","license":[{"start":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T00:00:00Z","timestamp":1592784000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"published-print":{"date-parts":[[2020,8,24]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Glassy polyimide membranes are attractive for industrial applications in sour natural gas purification. Unfortunately, the lack of fundamental understanding of relationships between polyimide chemical structures and their gas transport properties in the presence of H\n                    <jats:sub>2<\/jats:sub>\n                    S constrains the design and engineering of advanced membranes for such challenging applications. Herein, 6FDA\u2010based polyimide membranes with engineered structures were synthesized to tune their CO\n                    <jats:sub>2<\/jats:sub>\n                    \/CH\n                    <jats:sub>4<\/jats:sub>\n                    and H\n                    <jats:sub>2<\/jats:sub>\n                    S\/CH\n                    <jats:sub>4<\/jats:sub>\n                    separation performances and plasticization properties. Under ternary mixed sour gas feeds, controlling polymer chain packing and plasticization tendency of such polyimide membranes via tuning the chemical structures were found to offer better combined H\n                    <jats:sub>2<\/jats:sub>\n                    S and CO\n                    <jats:sub>2<\/jats:sub>\n                    removal efficiency compared to conventional polymers. Fundamental insights into structure\u2013property relationships of 6FDA\u2010based polyimide membranes observed in this study offer guidance for next generation membranes for sour natural gas separation.\n                  <\/jats:p>","DOI":"10.1002\/anie.202003910","type":"journal-article","created":{"date-parts":[[2020,5,4]],"date-time":"2020-05-04T15:23:56Z","timestamp":1588605836000},"page":"14877-14883","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":152,"title":["Molecularly Engineered 6FDA\u2010Based Polyimide Membranes for Sour Natural Gas Separation"],"prefix":"10.1002","volume":"59","author":[{"given":"Zhongyun","family":"Liu","sequence":"first","affiliation":[{"name":"School of Chemical &amp; Biomolecular Engineering Georgia Institute of Technology  311 Ferst Dr. NW Atlanta GA 30332 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