Effect of Cross-Linking on Polyimide Ionomer Membranes
In order to improve the stability and the proton conductivity of sulfonated polyimide ionomer membranes, effect of cross-linking has been investigated. The cross-linking moieties have been introduced into the ionomer structure by applying 2 mol% of trifunctional monomer in the polymerization reactio...
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| Veröffentlicht in: | Denki kagaku oyobi kōgyō butsuri kagaku 2007/02/05, Vol.75(2), pp.122-125 |
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| container_title | Denki kagaku oyobi kōgyō butsuri kagaku |
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| creator | MIYATAKE, Kenji ASANO, Naoki TOMBE, Takahiro WATANABE, Masahiro |
| description | In order to improve the stability and the proton conductivity of sulfonated polyimide ionomer membranes, effect of cross-linking has been investigated. The cross-linking moieties have been introduced into the ionomer structure by applying 2 mol% of trifunctional monomer in the polymerization reaction. Tough, flexible, and processable membranes were obtained by solution casting. Among the three cross-linking agents investigated, tris(aminoethyl)amine (TE) was the most effective to improve the membrane properties. Having high ion exchange capacity (2.33 meq/g), the cross-linked SPI-5TE showed good stability to the oxidative and hydrolytic degradation, superior mechanical strength, and high proton conductivity at low humidity conditions. Low methanol permeation of the cross-linked SPI-5TE membrane than the uncross-linked SPI-5 and Nafion 112 membranes has been confirmed. |
| doi_str_mv | 10.5796/electrochemistry.75.122 |
| format | Article |
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The cross-linking moieties have been introduced into the ionomer structure by applying 2 mol% of trifunctional monomer in the polymerization reaction. Tough, flexible, and processable membranes were obtained by solution casting. Among the three cross-linking agents investigated, tris(aminoethyl)amine (TE) was the most effective to improve the membrane properties. Having high ion exchange capacity (2.33 meq/g), the cross-linked SPI-5TE showed good stability to the oxidative and hydrolytic degradation, superior mechanical strength, and high proton conductivity at low humidity conditions. Low methanol permeation of the cross-linked SPI-5TE membrane than the uncross-linked SPI-5 and Nafion 112 membranes has been confirmed.</description><identifier>ISSN: 1344-3542</identifier><identifier>EISSN: 2186-2451</identifier><identifier>DOI: 10.5796/electrochemistry.75.122</identifier><language>eng</language><publisher>Tokyo: The Electrochemical Society of Japan</publisher><subject>Fuel Cells ; Ionomers ; Membranes ; Proton Conduction ; Sulfonated Polyimides</subject><ispartof>Electrochemistry, 2007/02/05, Vol.75(2), pp.122-125</ispartof><rights>2007 The Electrochemical Society of Japan</rights><rights>Copyright Japan Science and Technology Agency 2007</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c551t-43c481e823fcc3f90fa8d335688efdfecf9442fe15ebe0c9ebcb7fa62cf391bc3</citedby><cites>FETCH-LOGICAL-c551t-43c481e823fcc3f90fa8d335688efdfecf9442fe15ebe0c9ebcb7fa62cf391bc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,4010,27900,27901,27902</link.rule.ids></links><search><creatorcontrib>MIYATAKE, Kenji</creatorcontrib><creatorcontrib>ASANO, Naoki</creatorcontrib><creatorcontrib>TOMBE, Takahiro</creatorcontrib><creatorcontrib>WATANABE, Masahiro</creatorcontrib><title>Effect of Cross-Linking on Polyimide Ionomer Membranes</title><title>Denki kagaku oyobi kōgyō butsuri kagaku</title><addtitle>Electrochemistry</addtitle><description>In order to improve the stability and the proton conductivity of sulfonated polyimide ionomer membranes, effect of cross-linking has been investigated. The cross-linking moieties have been introduced into the ionomer structure by applying 2 mol% of trifunctional monomer in the polymerization reaction. Tough, flexible, and processable membranes were obtained by solution casting. Among the three cross-linking agents investigated, tris(aminoethyl)amine (TE) was the most effective to improve the membrane properties. Having high ion exchange capacity (2.33 meq/g), the cross-linked SPI-5TE showed good stability to the oxidative and hydrolytic degradation, superior mechanical strength, and high proton conductivity at low humidity conditions. Low methanol permeation of the cross-linked SPI-5TE membrane than the uncross-linked SPI-5 and Nafion 112 membranes has been confirmed.</description><subject>Fuel Cells</subject><subject>Ionomers</subject><subject>Membranes</subject><subject>Proton Conduction</subject><subject>Sulfonated Polyimides</subject><issn>1344-3542</issn><issn>2186-2451</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNptkD1PwzAQhi0EElXpbyASc4q_E4-oKlApCAaYLcc9tylJXOx06L_HVaoOiOVueZ73dC9C9wTPRaHkI7Rgh-DtFromDuE4L8ScUHqFJpSUMqdckGs0IYzznAlOb9Esxh3GmGAlFVUTJJfOpYjMu2wRfIx51fTfTb_JfJ99-PbYdM0aspXvfQche4OuDqaHeIdunGkjzM57ir6el5-L17x6f1ktnqrcCkGGnDPLSwIlZc5a5hR2plwzJmRZglunw05xTh0QATVgq6C2deGMpNYxRWrLpuhhzN0H_3OAOOidP4Q-ndSEF0WCJMOJKkbKnl4I4PQ-NJ0JR02wPvWk__akC6FTT8msRnMXB7OBi2fC0NgW_vXoOJJ-wezWBA09-wWE6347</recordid><startdate>2007</startdate><enddate>2007</enddate><creator>MIYATAKE, Kenji</creator><creator>ASANO, Naoki</creator><creator>TOMBE, Takahiro</creator><creator>WATANABE, Masahiro</creator><general>The Electrochemical Society of Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QL</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>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope></search><sort><creationdate>2007</creationdate><title>Effect of Cross-Linking on Polyimide Ionomer Membranes</title><author>MIYATAKE, Kenji ; ASANO, Naoki ; TOMBE, Takahiro ; WATANABE, Masahiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c551t-43c481e823fcc3f90fa8d335688efdfecf9442fe15ebe0c9ebcb7fa62cf391bc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Fuel Cells</topic><topic>Ionomers</topic><topic>Membranes</topic><topic>Proton Conduction</topic><topic>Sulfonated Polyimides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MIYATAKE, Kenji</creatorcontrib><creatorcontrib>ASANO, Naoki</creatorcontrib><creatorcontrib>TOMBE, Takahiro</creatorcontrib><creatorcontrib>WATANABE, Masahiro</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</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>Solid State and Superconductivity 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>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><jtitle>Denki kagaku oyobi kōgyō butsuri kagaku</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MIYATAKE, Kenji</au><au>ASANO, Naoki</au><au>TOMBE, Takahiro</au><au>WATANABE, Masahiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Cross-Linking on Polyimide Ionomer Membranes</atitle><jtitle>Denki kagaku oyobi kōgyō butsuri kagaku</jtitle><addtitle>Electrochemistry</addtitle><date>2007</date><risdate>2007</risdate><volume>75</volume><issue>2</issue><spage>122</spage><epage>125</epage><pages>122-125</pages><issn>1344-3542</issn><eissn>2186-2451</eissn><abstract>In order to improve the stability and the proton conductivity of sulfonated polyimide ionomer membranes, effect of cross-linking has been investigated. The cross-linking moieties have been introduced into the ionomer structure by applying 2 mol% of trifunctional monomer in the polymerization reaction. Tough, flexible, and processable membranes were obtained by solution casting. Among the three cross-linking agents investigated, tris(aminoethyl)amine (TE) was the most effective to improve the membrane properties. Having high ion exchange capacity (2.33 meq/g), the cross-linked SPI-5TE showed good stability to the oxidative and hydrolytic degradation, superior mechanical strength, and high proton conductivity at low humidity conditions. Low methanol permeation of the cross-linked SPI-5TE membrane than the uncross-linked SPI-5 and Nafion 112 membranes has been confirmed.</abstract><cop>Tokyo</cop><pub>The Electrochemical Society of Japan</pub><doi>10.5796/electrochemistry.75.122</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1344-3542 |
| ispartof | Electrochemistry, 2007/02/05, Vol.75(2), pp.122-125 |
| issn | 1344-3542 2186-2451 |
| language | eng |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals |
| subjects | Fuel Cells Ionomers Membranes Proton Conduction Sulfonated Polyimides |
| title | Effect of Cross-Linking on Polyimide Ionomer Membranes |
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