Polymer nanofilms with enhanced microporosity by interfacial polymerization
Highly permeable and selective membranes are desirable for energy-efficient gas and liquid separations. Microporous organic polymers have attracted significant attention in this respect owing to their high porosity, permeability and molecular selectivity. However, it remains challenging to fabricate...
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| Veröffentlicht in: | Nature materials 2016-07, Vol.15 (7), p.760-767 |
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| creator | Jimenez-Solomon, Maria F. Song, Qilei Jelfs, Kim E. Munoz-Ibanez, Marta Livingston, Andrew G. |
| description | Highly permeable and selective membranes are desirable for energy-efficient gas and liquid separations. Microporous organic polymers have attracted significant attention in this respect owing to their high porosity, permeability and molecular selectivity. However, it remains challenging to fabricate selective polymer membranes with controlled microporosity that are stable in solvents. Here we report a new approach to designing crosslinked, rigid polymer nanofilms with enhanced microporosity by manipulating the molecular structure. Ultrathin polyarylate nanofilms with thickness down to 20 nm are formed
in situ
by interfacial polymerization. Enhanced microporosity and higher interconnectivity of intermolecular network voids, as rationalized by molecular simulations, are achieved by using contorted monomers for the interfacial polymerization. Composite membranes comprising polyarylate nanofilms with enhanced microporosity fabricated
in situ
on crosslinked polyimide ultrafiltration membranes show outstanding separation performance in organic solvents, with up to two orders of magnitude higher solvent permeance than membranes fabricated with nanofilms made from non-contorted planar monomers.
Here it is shown how ultrathin and microporous polymer membranes, fabricated using sterically contorted monomers, can achieve enhanced performance for solvent-based separations. |
| doi_str_mv | 10.1038/nmat4638 |
| format | Article |
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in situ
by interfacial polymerization. Enhanced microporosity and higher interconnectivity of intermolecular network voids, as rationalized by molecular simulations, are achieved by using contorted monomers for the interfacial polymerization. Composite membranes comprising polyarylate nanofilms with enhanced microporosity fabricated
in situ
on crosslinked polyimide ultrafiltration membranes show outstanding separation performance in organic solvents, with up to two orders of magnitude higher solvent permeance than membranes fabricated with nanofilms made from non-contorted planar monomers.
Here it is shown how ultrathin and microporous polymer membranes, fabricated using sterically contorted monomers, can achieve enhanced performance for solvent-based separations.</description><identifier>ISSN: 1476-1122</identifier><identifier>EISSN: 1476-4660</identifier><identifier>DOI: 10.1038/nmat4638</identifier><identifier>PMID: 27135857</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>119/118 ; 639/301/299/1013 ; 639/638/298/923 ; 639/638/455/941 ; 639/638/563/981 ; 639/925/357/551 ; Biomaterials ; Condensed Matter Physics ; Crosslinking ; Energy efficiency ; Materials Science ; Membranes ; Microporosity ; Monomers ; Nanostructure ; Nanostructured materials ; Nanotechnology ; Optical and Electronic Materials ; Organic solvents ; Particulate composites ; Permeability ; Polymerization ; Polymers ; Porosity ; Solvents ; Ultrafiltration</subject><ispartof>Nature materials, 2016-07, Vol.15 (7), p.760-767</ispartof><rights>Springer Nature Limited 2016</rights><rights>Copyright Nature Publishing Group Jul 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c449t-3eaf185359244cf4453fc684aeee091d2f1b2df96fc31938860612a086f435723</citedby><cites>FETCH-LOGICAL-c449t-3eaf185359244cf4453fc684aeee091d2f1b2df96fc31938860612a086f435723</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27135857$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jimenez-Solomon, Maria F.</creatorcontrib><creatorcontrib>Song, Qilei</creatorcontrib><creatorcontrib>Jelfs, Kim E.</creatorcontrib><creatorcontrib>Munoz-Ibanez, Marta</creatorcontrib><creatorcontrib>Livingston, Andrew G.</creatorcontrib><title>Polymer nanofilms with enhanced microporosity by interfacial polymerization</title><title>Nature materials</title><addtitle>Nature Mater</addtitle><addtitle>Nat Mater</addtitle><description>Highly permeable and selective membranes are desirable for energy-efficient gas and liquid separations. Microporous organic polymers have attracted significant attention in this respect owing to their high porosity, permeability and molecular selectivity. However, it remains challenging to fabricate selective polymer membranes with controlled microporosity that are stable in solvents. Here we report a new approach to designing crosslinked, rigid polymer nanofilms with enhanced microporosity by manipulating the molecular structure. Ultrathin polyarylate nanofilms with thickness down to 20 nm are formed
in situ
by interfacial polymerization. Enhanced microporosity and higher interconnectivity of intermolecular network voids, as rationalized by molecular simulations, are achieved by using contorted monomers for the interfacial polymerization. Composite membranes comprising polyarylate nanofilms with enhanced microporosity fabricated
in situ
on crosslinked polyimide ultrafiltration membranes show outstanding separation performance in organic solvents, with up to two orders of magnitude higher solvent permeance than membranes fabricated with nanofilms made from non-contorted planar monomers.
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in situ
by interfacial polymerization. Enhanced microporosity and higher interconnectivity of intermolecular network voids, as rationalized by molecular simulations, are achieved by using contorted monomers for the interfacial polymerization. Composite membranes comprising polyarylate nanofilms with enhanced microporosity fabricated
in situ
on crosslinked polyimide ultrafiltration membranes show outstanding separation performance in organic solvents, with up to two orders of magnitude higher solvent permeance than membranes fabricated with nanofilms made from non-contorted planar monomers.
Here it is shown how ultrathin and microporous polymer membranes, fabricated using sterically contorted monomers, can achieve enhanced performance for solvent-based separations.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>27135857</pmid><doi>10.1038/nmat4638</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 119/118 639/301/299/1013 639/638/298/923 639/638/455/941 639/638/563/981 639/925/357/551 Biomaterials Condensed Matter Physics Crosslinking Energy efficiency Materials Science Membranes Microporosity Monomers Nanostructure Nanostructured materials Nanotechnology Optical and Electronic Materials Organic solvents Particulate composites Permeability Polymerization Polymers Porosity Solvents Ultrafiltration |
| title | Polymer nanofilms with enhanced microporosity by interfacial polymerization |
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