Tailoring molecular interactions between microporous polymers in high performance mixed matrix membranes for gas separations
Membranes are crucial to lowering the huge energy costs of chemical separations. Whilst some promising polymers demonstrate excellent transport properties, problems of plasticisation and physical aging due to mobile polymer chains, amongst others, prevent their exploitation in membranes for industri...
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| Veröffentlicht in: | Nanoscale 2020-09, Vol.12 (33), p.1745-1741 |
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| creator | Lau, Cher Hon Konstas, Kristina Doherty, Cara M Smith, Stefan J. D Hou, Rujing Wang, Huanting Carta, Mariolino Yoon, Heewook Park, Jaesung Freeman, Benny D Malpass-Evans, Richard Lasseuguette, Elsa Ferrari, Maria-Chiara McKeown, Neil B Hill, Matthew R |
| description | Membranes are crucial to lowering the huge energy costs of chemical separations. Whilst some promising polymers demonstrate excellent transport properties, problems of plasticisation and physical aging due to mobile polymer chains, amongst others, prevent their exploitation in membranes for industrial separations. Here we reveal that molecular interactions between a polymer of intrinsic microporosity (PIM) matrix and a porous aromatic framework additive (PAF-1) can simultaneously address plasticisation and physical aging whilst also increasing gas transport selectivity. Extensive spectroscopic characterisation and control experiments involving two near-identical PIMs, one with methyl groups (PIM-EA(Me
2
)-TB) and one without (PIM-EA(H
2
)-TB), directly confirm the key molecular interaction as the adsoprtion of methyl groups from the PIM matrix into the nanopores of the PAF. This interaction reduced physical aging by 50%, suppressed polymer chain mobilities at high pressure and increased H
2
selectivity over larger gases such as CH
4
and N
2
.
Membranes are crucial to lowering the huge energy costs of chemical separations. |
| doi_str_mv | 10.1039/d0nr04801a |
| format | Article |
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2
)-TB) and one without (PIM-EA(H
2
)-TB), directly confirm the key molecular interaction as the adsoprtion of methyl groups from the PIM matrix into the nanopores of the PAF. This interaction reduced physical aging by 50%, suppressed polymer chain mobilities at high pressure and increased H
2
selectivity over larger gases such as CH
4
and N
2
.
Membranes are crucial to lowering the huge energy costs of chemical separations.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/d0nr04801a</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Aging ; Chain mobility ; Chains (polymeric) ; Chemical separation ; Energy costs ; Gas transport ; Membranes ; Microporosity ; Molecular interactions ; Polymers ; Porosity ; Porous media ; Selectivity ; Transport properties</subject><ispartof>Nanoscale, 2020-09, Vol.12 (33), p.1745-1741</ispartof><rights>Copyright Royal Society of Chemistry 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-f5b160abac8ff17c66792ed91c52f67a11451c287f35529e23cc3340ff7e22ce3</citedby><cites>FETCH-LOGICAL-c380t-f5b160abac8ff17c66792ed91c52f67a11451c287f35529e23cc3340ff7e22ce3</cites><orcidid>0000-0001-7677-3374 ; 0000-0002-6027-261X ; 0000-0003-0718-6971 ; 0000-0003-3407-2873 ; 0000-0003-1368-1506 ; 0000-0001-7465-0565 ; 0000-0002-9887-5555 ; 0000-0001-6362-1160 ; 0000-0002-8921-4966</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids></links><search><creatorcontrib>Lau, Cher Hon</creatorcontrib><creatorcontrib>Konstas, Kristina</creatorcontrib><creatorcontrib>Doherty, Cara M</creatorcontrib><creatorcontrib>Smith, Stefan J. D</creatorcontrib><creatorcontrib>Hou, Rujing</creatorcontrib><creatorcontrib>Wang, Huanting</creatorcontrib><creatorcontrib>Carta, Mariolino</creatorcontrib><creatorcontrib>Yoon, Heewook</creatorcontrib><creatorcontrib>Park, Jaesung</creatorcontrib><creatorcontrib>Freeman, Benny D</creatorcontrib><creatorcontrib>Malpass-Evans, Richard</creatorcontrib><creatorcontrib>Lasseuguette, Elsa</creatorcontrib><creatorcontrib>Ferrari, Maria-Chiara</creatorcontrib><creatorcontrib>McKeown, Neil B</creatorcontrib><creatorcontrib>Hill, Matthew R</creatorcontrib><title>Tailoring molecular interactions between microporous polymers in high performance mixed matrix membranes for gas separations</title><title>Nanoscale</title><description>Membranes are crucial to lowering the huge energy costs of chemical separations. Whilst some promising polymers demonstrate excellent transport properties, problems of plasticisation and physical aging due to mobile polymer chains, amongst others, prevent their exploitation in membranes for industrial separations. Here we reveal that molecular interactions between a polymer of intrinsic microporosity (PIM) matrix and a porous aromatic framework additive (PAF-1) can simultaneously address plasticisation and physical aging whilst also increasing gas transport selectivity. Extensive spectroscopic characterisation and control experiments involving two near-identical PIMs, one with methyl groups (PIM-EA(Me
2
)-TB) and one without (PIM-EA(H
2
)-TB), directly confirm the key molecular interaction as the adsoprtion of methyl groups from the PIM matrix into the nanopores of the PAF. This interaction reduced physical aging by 50%, suppressed polymer chain mobilities at high pressure and increased H
2
selectivity over larger gases such as CH
4
and N
2
.
Membranes are crucial to lowering the huge energy costs of chemical separations.</description><subject>Aging</subject><subject>Chain mobility</subject><subject>Chains (polymeric)</subject><subject>Chemical separation</subject><subject>Energy costs</subject><subject>Gas transport</subject><subject>Membranes</subject><subject>Microporosity</subject><subject>Molecular interactions</subject><subject>Polymers</subject><subject>Porosity</subject><subject>Porous media</subject><subject>Selectivity</subject><subject>Transport properties</subject><issn>2040-3364</issn><issn>2040-3372</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhoMoWKsX78KKNyG6H8kmOZb6CUVB6jlsNrNtSpKNswm24I93baXePM3A-_AO8wTBOaM3jIrstqQt0iilTB0EI04jGgqR8MP9LqPj4MS5FaUyE1KMgq-5qmqLVbsgja1BD7VCUrU9oNJ9ZVtHCug_AVrSVBptZ9EOjnS23jSAzpNkWS2WpAM0FhvVavDgGkrSqB6rNWmgKVC14IjPyUI54qBTqLbdp8GRUbWDs985Dt4f7ufTp3D2-vg8ncxCLVLahyYumKSqUDo1hiVayiTjUGZMx9zIRDEWxUzzNDEijnkGXGgtRESNSYBzDWIcXO16O7QfA7g-X9kBW38y55FIEi5jEXvqekf5P51DMHmHVaNwkzOa_9jN7-jL29buxMMXOxid3nN_9n1--V-ed6UR31o_hWE</recordid><startdate>20200907</startdate><enddate>20200907</enddate><creator>Lau, Cher Hon</creator><creator>Konstas, Kristina</creator><creator>Doherty, Cara M</creator><creator>Smith, Stefan J. 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D ; Hou, Rujing ; Wang, Huanting ; Carta, Mariolino ; Yoon, Heewook ; Park, Jaesung ; Freeman, Benny D ; Malpass-Evans, Richard ; Lasseuguette, Elsa ; Ferrari, Maria-Chiara ; McKeown, Neil B ; Hill, Matthew R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-f5b160abac8ff17c66792ed91c52f67a11451c287f35529e23cc3340ff7e22ce3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aging</topic><topic>Chain mobility</topic><topic>Chains (polymeric)</topic><topic>Chemical separation</topic><topic>Energy costs</topic><topic>Gas transport</topic><topic>Membranes</topic><topic>Microporosity</topic><topic>Molecular interactions</topic><topic>Polymers</topic><topic>Porosity</topic><topic>Porous media</topic><topic>Selectivity</topic><topic>Transport properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lau, Cher Hon</creatorcontrib><creatorcontrib>Konstas, Kristina</creatorcontrib><creatorcontrib>Doherty, Cara M</creatorcontrib><creatorcontrib>Smith, Stefan J. 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D</au><au>Hou, Rujing</au><au>Wang, Huanting</au><au>Carta, Mariolino</au><au>Yoon, Heewook</au><au>Park, Jaesung</au><au>Freeman, Benny D</au><au>Malpass-Evans, Richard</au><au>Lasseuguette, Elsa</au><au>Ferrari, Maria-Chiara</au><au>McKeown, Neil B</au><au>Hill, Matthew R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tailoring molecular interactions between microporous polymers in high performance mixed matrix membranes for gas separations</atitle><jtitle>Nanoscale</jtitle><date>2020-09-07</date><risdate>2020</risdate><volume>12</volume><issue>33</issue><spage>1745</spage><epage>1741</epage><pages>1745-1741</pages><issn>2040-3364</issn><eissn>2040-3372</eissn><abstract>Membranes are crucial to lowering the huge energy costs of chemical separations. Whilst some promising polymers demonstrate excellent transport properties, problems of plasticisation and physical aging due to mobile polymer chains, amongst others, prevent their exploitation in membranes for industrial separations. Here we reveal that molecular interactions between a polymer of intrinsic microporosity (PIM) matrix and a porous aromatic framework additive (PAF-1) can simultaneously address plasticisation and physical aging whilst also increasing gas transport selectivity. Extensive spectroscopic characterisation and control experiments involving two near-identical PIMs, one with methyl groups (PIM-EA(Me
2
)-TB) and one without (PIM-EA(H
2
)-TB), directly confirm the key molecular interaction as the adsoprtion of methyl groups from the PIM matrix into the nanopores of the PAF. This interaction reduced physical aging by 50%, suppressed polymer chain mobilities at high pressure and increased H
2
selectivity over larger gases such as CH
4
and N
2
.
Membranes are crucial to lowering the huge energy costs of chemical separations.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d0nr04801a</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-7677-3374</orcidid><orcidid>https://orcid.org/0000-0002-6027-261X</orcidid><orcidid>https://orcid.org/0000-0003-0718-6971</orcidid><orcidid>https://orcid.org/0000-0003-3407-2873</orcidid><orcidid>https://orcid.org/0000-0003-1368-1506</orcidid><orcidid>https://orcid.org/0000-0001-7465-0565</orcidid><orcidid>https://orcid.org/0000-0002-9887-5555</orcidid><orcidid>https://orcid.org/0000-0001-6362-1160</orcidid><orcidid>https://orcid.org/0000-0002-8921-4966</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2040-3364 |
| ispartof | Nanoscale, 2020-09, Vol.12 (33), p.1745-1741 |
| issn | 2040-3364 2040-3372 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_D0NR04801A |
| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Aging Chain mobility Chains (polymeric) Chemical separation Energy costs Gas transport Membranes Microporosity Molecular interactions Polymers Porosity Porous media Selectivity Transport properties |
| title | Tailoring molecular interactions between microporous polymers in high performance mixed matrix membranes for gas separations |
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