Moldable Strong Cation Exchange Polymer and Microchannel Fabrication
We characterize a high-capacity cation exchange membrane (CEM) synthesized from an aqueous poly(vinyl alcohol) (PVA) solution and varying amounts of a water-soluble ionic monomer, sodium styrenesulfonate. Highly hydrophilic but water-insoluble transparent polymers with a range of ion exchange capac...
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| Veröffentlicht in: | Analytical chemistry (Washington) 2020-10, Vol.92 (19), p.13378-13386 |
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| creator | Maleki, Fereshteh Dasgupta, Purnendu K |
| description | We characterize a high-capacity cation exchange membrane (CEM) synthesized from an aqueous poly(vinyl alcohol) (PVA) solution and varying amounts of a water-soluble ionic monomer, sodium styrenesulfonate. Highly hydrophilic but water-insoluble transparent polymers with a range of ion exchange capacities (IECs) can be made; at the high end, the ion exchange capacities (IEC) is >2× that of the benchmark CEM, Nafion. The water uptake of the polymer (as moles of water/mole H+) is 5–10× greater than that of Nafion. Except at the highest IECs (where steeply increasing water sorption and resultant swelling outpaces IEC increase), the specific conductance increases with increasing IEC while the conductance anisotropy decreases. The material withstands repeated regeneration cycles and hour-long boiling in water or alcohols. The aqueous prepolymer mixture can be cast around a fine wire acting as a mandrel. Fabrication of an ion exchanger microchannel, capable of withstanding at least 300 psi, is demonstrated. We also discuss entirely novel considerations on ab initio limits of conductance of ion exchange membranes. |
| doi_str_mv | 10.1021/acs.analchem.0c02754 |
| format | Article |
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Highly hydrophilic but water-insoluble transparent polymers with a range of ion exchange capacities (IECs) can be made; at the high end, the ion exchange capacities (IEC) is >2× that of the benchmark CEM, Nafion. The water uptake of the polymer (as moles of water/mole H+) is 5–10× greater than that of Nafion. Except at the highest IECs (where steeply increasing water sorption and resultant swelling outpaces IEC increase), the specific conductance increases with increasing IEC while the conductance anisotropy decreases. The material withstands repeated regeneration cycles and hour-long boiling in water or alcohols. The aqueous prepolymer mixture can be cast around a fine wire acting as a mandrel. Fabrication of an ion exchanger microchannel, capable of withstanding at least 300 psi, is demonstrated. We also discuss entirely novel considerations on ab initio limits of conductance of ion exchange membranes.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/acs.analchem.0c02754</identifier><language>eng</language><publisher>Washington: American Chemical Society</publisher><subject>Analytical chemistry ; Anisotropy ; Cation exchange ; Cation exchanging ; Cationic polymerization ; Chemistry ; Conductance ; Fabrication ; Ion exchange ; Ion exchangers ; Membranes ; Microchannels ; Polymers ; Polyvinyl alcohol ; Prepolymers ; Regeneration ; Resistance ; Water uptake</subject><ispartof>Analytical chemistry (Washington), 2020-10, Vol.92 (19), p.13378-13386</ispartof><rights>Copyright American Chemical Society Oct 6, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a353t-3d2929bdf1d01de812a8dbbbfc94cc99540331114edc14c4945aa65a324961b33</citedby><cites>FETCH-LOGICAL-a353t-3d2929bdf1d01de812a8dbbbfc94cc99540331114edc14c4945aa65a324961b33</cites><orcidid>0000-0002-8831-7920</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acs.analchem.0c02754$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.analchem.0c02754$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,777,781,2752,27057,27905,27906,56719,56769</link.rule.ids></links><search><creatorcontrib>Maleki, Fereshteh</creatorcontrib><creatorcontrib>Dasgupta, Purnendu K</creatorcontrib><title>Moldable Strong Cation Exchange Polymer and Microchannel Fabrication</title><title>Analytical chemistry (Washington)</title><addtitle>Anal. Chem</addtitle><description>We characterize a high-capacity cation exchange membrane (CEM) synthesized from an aqueous poly(vinyl alcohol) (PVA) solution and varying amounts of a water-soluble ionic monomer, sodium styrenesulfonate. Highly hydrophilic but water-insoluble transparent polymers with a range of ion exchange capacities (IECs) can be made; at the high end, the ion exchange capacities (IEC) is >2× that of the benchmark CEM, Nafion. The water uptake of the polymer (as moles of water/mole H+) is 5–10× greater than that of Nafion. Except at the highest IECs (where steeply increasing water sorption and resultant swelling outpaces IEC increase), the specific conductance increases with increasing IEC while the conductance anisotropy decreases. The material withstands repeated regeneration cycles and hour-long boiling in water or alcohols. The aqueous prepolymer mixture can be cast around a fine wire acting as a mandrel. Fabrication of an ion exchanger microchannel, capable of withstanding at least 300 psi, is demonstrated. We also discuss entirely novel considerations on ab initio limits of conductance of ion exchange membranes.</description><subject>Analytical chemistry</subject><subject>Anisotropy</subject><subject>Cation exchange</subject><subject>Cation exchanging</subject><subject>Cationic polymerization</subject><subject>Chemistry</subject><subject>Conductance</subject><subject>Fabrication</subject><subject>Ion exchange</subject><subject>Ion exchangers</subject><subject>Membranes</subject><subject>Microchannels</subject><subject>Polymers</subject><subject>Polyvinyl alcohol</subject><subject>Prepolymers</subject><subject>Regeneration</subject><subject>Resistance</subject><subject>Water uptake</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsFb_gYeAFy-pM_uRZo9SrQotCup52Ww2bco2W3dTsP_exFYPHjwNzDzvC_MQcokwQqB4o00c6UY7s7TrERigY8GPyAAFhTTLc3pMBgDAUjoGOCVnMa4AEAGzAbmbe1fqwtnktQ2-WSQT3da-Se4_zVI3C5u8eLdb25DopkzmtQm-3zfWJVNdhNp80-fkpNIu2ovDHJL36f3b5DGdPT88TW5nqWaCtSkrqaSyKCssAUubI9V5WRRFZSQ3RkrBgTFE5LY0yA2XXGidCc0olxkWjA3J9b53E_zH1sZWretorHO6sX4bFeUsl5JykXXo1R905behc9RTAnEMOfaFfE91f8UYbKU2oV7rsFMIqlerOrXqR606qO1isI_119_efyNfc2J-3w</recordid><startdate>20201006</startdate><enddate>20201006</enddate><creator>Maleki, Fereshteh</creator><creator>Dasgupta, Purnendu K</creator><general>American Chemical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7TM</scope><scope>7U5</scope><scope>7U7</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-8831-7920</orcidid></search><sort><creationdate>20201006</creationdate><title>Moldable Strong Cation Exchange Polymer and Microchannel Fabrication</title><author>Maleki, Fereshteh ; Dasgupta, Purnendu K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a353t-3d2929bdf1d01de812a8dbbbfc94cc99540331114edc14c4945aa65a324961b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Analytical chemistry</topic><topic>Anisotropy</topic><topic>Cation exchange</topic><topic>Cation exchanging</topic><topic>Cationic polymerization</topic><topic>Chemistry</topic><topic>Conductance</topic><topic>Fabrication</topic><topic>Ion exchange</topic><topic>Ion exchangers</topic><topic>Membranes</topic><topic>Microchannels</topic><topic>Polymers</topic><topic>Polyvinyl alcohol</topic><topic>Prepolymers</topic><topic>Regeneration</topic><topic>Resistance</topic><topic>Water uptake</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maleki, Fereshteh</creatorcontrib><creatorcontrib>Dasgupta, Purnendu K</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Analytical chemistry (Washington)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maleki, Fereshteh</au><au>Dasgupta, Purnendu K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Moldable Strong Cation Exchange Polymer and Microchannel Fabrication</atitle><jtitle>Analytical chemistry (Washington)</jtitle><addtitle>Anal. 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The material withstands repeated regeneration cycles and hour-long boiling in water or alcohols. The aqueous prepolymer mixture can be cast around a fine wire acting as a mandrel. Fabrication of an ion exchanger microchannel, capable of withstanding at least 300 psi, is demonstrated. We also discuss entirely novel considerations on ab initio limits of conductance of ion exchange membranes.</abstract><cop>Washington</cop><pub>American Chemical Society</pub><doi>10.1021/acs.analchem.0c02754</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-8831-7920</orcidid></addata></record> |
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| source | ACS Publications |
| subjects | Analytical chemistry Anisotropy Cation exchange Cation exchanging Cationic polymerization Chemistry Conductance Fabrication Ion exchange Ion exchangers Membranes Microchannels Polymers Polyvinyl alcohol Prepolymers Regeneration Resistance Water uptake |
| title | Moldable Strong Cation Exchange Polymer and Microchannel Fabrication |
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