Nanofibers and thin films as a selective membrane for sensors and microTAS
A composite material of PAN (polyacrylonitrile), starch granules and dimethylformamide as solvent was used as a selective membrane for volatile organic compounds (VOCs) in gaseous phase. This composite was produced as a thin film obtained by spin-casting and as a fiber mat produced by electrospinnin...
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| Veröffentlicht in: | Journal of physics. Conference series 2013-01, Vol.421 (1), p.12013-7, Article 012013 |
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| creator | Silva, A N R da Silva, M L P da Fachini, E R |
| description | A composite material of PAN (polyacrylonitrile), starch granules and dimethylformamide as solvent was used as a selective membrane for volatile organic compounds (VOCs) in gaseous phase. This composite was produced as a thin film obtained by spin-casting and as a fiber mat produced by electrospinning. The fiber mat was tested for adsorption of VOCs and water. Characterization used microscopy (electron scanning and optical) in order to evaluate the fiber morphology and the starch incorporation in the PAN matrix. Infrared spectroscopy was intended to determine the starch presence. Relative viscosity of the starch/PAN suspensions was measured in order to provide a model of composite fiber formation. Quartz crystal microbalance experiments determined VOCs and water adsorption. Fibers incorporated the starch granules, making the composite sensible to water; but VOCs were not detected. Therefore, the composite was found to be a good choice as selective barrier on sensors or microTAS protection purposes. |
| doi_str_mv | 10.1088/1742-6596/421/1/012013 |
| format | Article |
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Conference series</title><description>A composite material of PAN (polyacrylonitrile), starch granules and dimethylformamide as solvent was used as a selective membrane for volatile organic compounds (VOCs) in gaseous phase. This composite was produced as a thin film obtained by spin-casting and as a fiber mat produced by electrospinning. The fiber mat was tested for adsorption of VOCs and water. Characterization used microscopy (electron scanning and optical) in order to evaluate the fiber morphology and the starch incorporation in the PAN matrix. Infrared spectroscopy was intended to determine the starch presence. Relative viscosity of the starch/PAN suspensions was measured in order to provide a model of composite fiber formation. Quartz crystal microbalance experiments determined VOCs and water adsorption. Fibers incorporated the starch granules, making the composite sensible to water; but VOCs were not detected. Therefore, the composite was found to be a good choice as selective barrier on sensors or microTAS protection purposes.</description><subject>Adsorbed water</subject><subject>Adsorption</subject><subject>Composite materials</subject><subject>Dimethylformamide</subject><subject>Fibers</subject><subject>Granular materials</subject><subject>Membranes</subject><subject>Microbalances</subject><subject>Morphology</subject><subject>Nanofibers</subject><subject>Physics</subject><subject>Polyacrylonitrile</subject><subject>Polymer matrix composites</subject><subject>Quartz crystals</subject><subject>Sensors</subject><subject>Starches</subject><subject>Thin films</subject><subject>VOCs</subject><subject>Volatile organic compounds</subject><issn>1742-6596</issn><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkE1LAzEQhoMoWKt_QRa8eFk3k-wmWfBSip8UPVjPIZtNMGV3U5Ot4L83pUWkF4fATGbeN0wehC4B3wAWogBekpxVNStKAgUUGAgGeoQmv4PjP_UpOotxhTFNwSfo-UUN3rrGhJipoc3GDzdk1nV9uqaTRdMZPbovk_Wmb4IaTGZ9SO0h-r2ldzr45eztHJ1Y1UVzsc9T9H5_t5w_5ovXh6f5bJFrysox11yLmkHV1oxxi0GDEorUtqk4xYTxqhSaiIbytq2bSrQcGgMWt43VVuOS0Sm63r27Dv5zY-Ioexe16bq0nN9ECRxEXQrCaZJeHUhXfhOGtJ0kFecUqsQqqdhOlf4RYzBWroPrVfiWgOUWsdzSk1t6MiGWIHeIk_H2wKjdqEbnhzEo1_1n_wELS4Af</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Silva, A N R da</creator><creator>Silva, M L P da</creator><creator>Fachini, E R</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7U5</scope><scope>8BQ</scope><scope>JG9</scope></search><sort><creationdate>20130101</creationdate><title>Nanofibers and thin films as a selective membrane for sensors and microTAS</title><author>Silva, A N R da ; Silva, M L P da ; Fachini, E R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-c7c89615d9667f01c1a8a29fb5730267548c28b37dd9b58d71be1f0dbfcfc0463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Adsorbed water</topic><topic>Adsorption</topic><topic>Composite materials</topic><topic>Dimethylformamide</topic><topic>Fibers</topic><topic>Granular materials</topic><topic>Membranes</topic><topic>Microbalances</topic><topic>Morphology</topic><topic>Nanofibers</topic><topic>Physics</topic><topic>Polyacrylonitrile</topic><topic>Polymer matrix composites</topic><topic>Quartz crystals</topic><topic>Sensors</topic><topic>Starches</topic><topic>Thin films</topic><topic>VOCs</topic><topic>Volatile organic compounds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Silva, A N R da</creatorcontrib><creatorcontrib>Silva, M L P da</creatorcontrib><creatorcontrib>Fachini, E R</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Materials Research Database</collection><jtitle>Journal of physics. Conference series</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Silva, A N R da</au><au>Silva, M L P da</au><au>Fachini, E R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nanofibers and thin films as a selective membrane for sensors and microTAS</atitle><jtitle>Journal of physics. Conference series</jtitle><date>2013-01-01</date><risdate>2013</risdate><volume>421</volume><issue>1</issue><spage>12013</spage><epage>7</epage><pages>12013-7</pages><artnum>012013</artnum><issn>1742-6596</issn><issn>1742-6588</issn><eissn>1742-6596</eissn><abstract>A composite material of PAN (polyacrylonitrile), starch granules and dimethylformamide as solvent was used as a selective membrane for volatile organic compounds (VOCs) in gaseous phase. This composite was produced as a thin film obtained by spin-casting and as a fiber mat produced by electrospinning. The fiber mat was tested for adsorption of VOCs and water. Characterization used microscopy (electron scanning and optical) in order to evaluate the fiber morphology and the starch incorporation in the PAN matrix. Infrared spectroscopy was intended to determine the starch presence. Relative viscosity of the starch/PAN suspensions was measured in order to provide a model of composite fiber formation. Quartz crystal microbalance experiments determined VOCs and water adsorption. Fibers incorporated the starch granules, making the composite sensible to water; but VOCs were not detected. Therefore, the composite was found to be a good choice as selective barrier on sensors or microTAS protection purposes.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1742-6596/421/1/012013</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | Institute of Physics Open Access Journal Titles; EZB-FREE-00999 freely available EZB journals; IOPscience extra; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Adsorbed water Adsorption Composite materials Dimethylformamide Fibers Granular materials Membranes Microbalances Morphology Nanofibers Physics Polyacrylonitrile Polymer matrix composites Quartz crystals Sensors Starches Thin films VOCs Volatile organic compounds |
| title | Nanofibers and thin films as a selective membrane for sensors and microTAS |
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