Preparation of Polyimide/Ionic Liquid Hybrid Membrane for CO[sub.2]/CH[sub.4] Separation
Imidazole ionic liquids (IL[sub.s] ) have good affinity and good solubility for carbon dioxide (CO[sub.2] ). Such ionic liquids, combined with polyimide membrane materials, can solve the problem that, today, CO[sub.2] is difficult to separate and recover. In this study, the ionic liquid (IL) of 1-et...
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| Veröffentlicht in: | Polymers 2024-01, Vol.16 (3) |
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| creator | Du, Xiaoyu Zhao, Shijun Qu, Yanqing Jia, Hongge Xu, Shuangping Zhang, Mingyu Geng, Guoliang |
| description | Imidazole ionic liquids (IL[sub.s] ) have good affinity and good solubility for carbon dioxide (CO[sub.2] ). Such ionic liquids, combined with polyimide membrane materials, can solve the problem that, today, CO[sub.2] is difficult to separate and recover. In this study, the ionic liquid (IL) of 1-ethyl-3-methylimidazolium tetrafluoroborate (IL[sub.1] ), 1-pentyl-3-methylimidazolium tetrafluoroborate (IL[sub.2] ), 1-octyl-3-methylimidazolium tetrafluoroborate (IL[sub.3] ), and 1-dodecylimidazolium tetrafluoroborate (IL[sub.4] ) with different contents were added to a polyimide matrix, and a series of polyimide membranes blended with ionic liquid were prepared using a high-speed mixer. The mechanical properties and gas separation permeability of the membranes were investigated. Among them, the selectivity of the PI/IL[sub.3] membrane for CO[sub.2] /CH[sub.4] was 180.55, which was 2.5 times higher than the PI membrane, and its CO[sub.2] permeability was 16.25 Barrer, which exceeded the Robeson curve in 2008; the separation performance of the membrane was the best in this work. |
| doi_str_mv | 10.3390/polym16030393 |
| format | Article |
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Such ionic liquids, combined with polyimide membrane materials, can solve the problem that, today, CO[sub.2] is difficult to separate and recover. In this study, the ionic liquid (IL) of 1-ethyl-3-methylimidazolium tetrafluoroborate (IL[sub.1] ), 1-pentyl-3-methylimidazolium tetrafluoroborate (IL[sub.2] ), 1-octyl-3-methylimidazolium tetrafluoroborate (IL[sub.3] ), and 1-dodecylimidazolium tetrafluoroborate (IL[sub.4] ) with different contents were added to a polyimide matrix, and a series of polyimide membranes blended with ionic liquid were prepared using a high-speed mixer. The mechanical properties and gas separation permeability of the membranes were investigated. Among them, the selectivity of the PI/IL[sub.3] membrane for CO[sub.2] /CH[sub.4] was 180.55, which was 2.5 times higher than the PI membrane, and its CO[sub.2] permeability was 16.25 Barrer, which exceeded the Robeson curve in 2008; the separation performance of the membrane was the best in this work.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym16030393</identifier><language>eng</language><publisher>MDPI AG</publisher><subject>Analysis ; Carbon dioxide ; Ionic liquids ; Mechanical properties ; Methane ; Methods ; Polyimides ; Separation (Technology)</subject><ispartof>Polymers, 2024-01, Vol.16 (3)</ispartof><rights>COPYRIGHT 2024 MDPI AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Du, Xiaoyu</creatorcontrib><creatorcontrib>Zhao, Shijun</creatorcontrib><creatorcontrib>Qu, Yanqing</creatorcontrib><creatorcontrib>Jia, Hongge</creatorcontrib><creatorcontrib>Xu, Shuangping</creatorcontrib><creatorcontrib>Zhang, Mingyu</creatorcontrib><creatorcontrib>Geng, Guoliang</creatorcontrib><title>Preparation of Polyimide/Ionic Liquid Hybrid Membrane for CO[sub.2]/CH[sub.4] Separation</title><title>Polymers</title><description>Imidazole ionic liquids (IL[sub.s] ) have good affinity and good solubility for carbon dioxide (CO[sub.2] ). Such ionic liquids, combined with polyimide membrane materials, can solve the problem that, today, CO[sub.2] is difficult to separate and recover. In this study, the ionic liquid (IL) of 1-ethyl-3-methylimidazolium tetrafluoroborate (IL[sub.1] ), 1-pentyl-3-methylimidazolium tetrafluoroborate (IL[sub.2] ), 1-octyl-3-methylimidazolium tetrafluoroborate (IL[sub.3] ), and 1-dodecylimidazolium tetrafluoroborate (IL[sub.4] ) with different contents were added to a polyimide matrix, and a series of polyimide membranes blended with ionic liquid were prepared using a high-speed mixer. The mechanical properties and gas separation permeability of the membranes were investigated. Among them, the selectivity of the PI/IL[sub.3] membrane for CO[sub.2] /CH[sub.4] was 180.55, which was 2.5 times higher than the PI membrane, and its CO[sub.2] permeability was 16.25 Barrer, which exceeded the Robeson curve in 2008; the separation performance of the membrane was the best in this work.</description><subject>Analysis</subject><subject>Carbon dioxide</subject><subject>Ionic liquids</subject><subject>Mechanical properties</subject><subject>Methane</subject><subject>Methods</subject><subject>Polyimides</subject><subject>Separation (Technology)</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqVjLEKwjAYhIMoKOronhewTZuY2lGKUkGxoIMgImmbyC9toqkOvr1BRFy9G-7j4A6hUUA8SmPiX031rANOKKExbaFeSCI6ZpST9g930bBpLsSJTTgPoh7aZ1ZehRV3MBobhTN3AzWU0l8aDQVewe0BJU6fuXWxlnVuhZZYGYuTzaF55F549JP0TeyIt9-zAeooUTVy-Mk-8hbzXZKOz6KSJ9DK3K0onEtZQ2G0VOD6WTQNSRwyxunfgxdawFA8</recordid><startdate>20240101</startdate><enddate>20240101</enddate><creator>Du, Xiaoyu</creator><creator>Zhao, Shijun</creator><creator>Qu, Yanqing</creator><creator>Jia, Hongge</creator><creator>Xu, Shuangping</creator><creator>Zhang, Mingyu</creator><creator>Geng, Guoliang</creator><general>MDPI AG</general><scope/></search><sort><creationdate>20240101</creationdate><title>Preparation of Polyimide/Ionic Liquid Hybrid Membrane for CO[sub.2]/CH[sub.4] Separation</title><author>Du, Xiaoyu ; Zhao, Shijun ; Qu, Yanqing ; Jia, Hongge ; Xu, Shuangping ; Zhang, Mingyu ; Geng, Guoliang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-gale_infotracacademiconefile_A7820924463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Analysis</topic><topic>Carbon dioxide</topic><topic>Ionic liquids</topic><topic>Mechanical properties</topic><topic>Methane</topic><topic>Methods</topic><topic>Polyimides</topic><topic>Separation (Technology)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Xiaoyu</creatorcontrib><creatorcontrib>Zhao, Shijun</creatorcontrib><creatorcontrib>Qu, Yanqing</creatorcontrib><creatorcontrib>Jia, Hongge</creatorcontrib><creatorcontrib>Xu, Shuangping</creatorcontrib><creatorcontrib>Zhang, Mingyu</creatorcontrib><creatorcontrib>Geng, Guoliang</creatorcontrib><jtitle>Polymers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Xiaoyu</au><au>Zhao, Shijun</au><au>Qu, Yanqing</au><au>Jia, Hongge</au><au>Xu, Shuangping</au><au>Zhang, Mingyu</au><au>Geng, Guoliang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of Polyimide/Ionic Liquid Hybrid Membrane for CO[sub.2]/CH[sub.4] Separation</atitle><jtitle>Polymers</jtitle><date>2024-01-01</date><risdate>2024</risdate><volume>16</volume><issue>3</issue><issn>2073-4360</issn><eissn>2073-4360</eissn><abstract>Imidazole ionic liquids (IL[sub.s] ) have good affinity and good solubility for carbon dioxide (CO[sub.2] ). Such ionic liquids, combined with polyimide membrane materials, can solve the problem that, today, CO[sub.2] is difficult to separate and recover. In this study, the ionic liquid (IL) of 1-ethyl-3-methylimidazolium tetrafluoroborate (IL[sub.1] ), 1-pentyl-3-methylimidazolium tetrafluoroborate (IL[sub.2] ), 1-octyl-3-methylimidazolium tetrafluoroborate (IL[sub.3] ), and 1-dodecylimidazolium tetrafluoroborate (IL[sub.4] ) with different contents were added to a polyimide matrix, and a series of polyimide membranes blended with ionic liquid were prepared using a high-speed mixer. The mechanical properties and gas separation permeability of the membranes were investigated. Among them, the selectivity of the PI/IL[sub.3] membrane for CO[sub.2] /CH[sub.4] was 180.55, which was 2.5 times higher than the PI membrane, and its CO[sub.2] permeability was 16.25 Barrer, which exceeded the Robeson curve in 2008; the separation performance of the membrane was the best in this work.</abstract><pub>MDPI AG</pub><doi>10.3390/polym16030393</doi></addata></record> |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access |
| subjects | Analysis Carbon dioxide Ionic liquids Mechanical properties Methane Methods Polyimides Separation (Technology) |
| title | Preparation of Polyimide/Ionic Liquid Hybrid Membrane for CO[sub.2]/CH[sub.4] Separation |
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