Green Electrospinning and Crosslinking of Polyvinyl Alcohol/Citric Acid
The present study reports green electrospinning of polyvinyl alcohol (PVA) / citric acid nanofiber membranes, and the membranes were then crosslinked by heat treatment. The electric conductivity of the PVA aqueous solution increases rapidly and the growth slows down along with the increase of citric...
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| Veröffentlicht in: | Journal of nano research 2015-05, Vol.32, p.32-42 |
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| creator | Shi, Jing Jing Yang, En Long |
| description | The present study reports green electrospinning of polyvinyl alcohol (PVA) / citric acid nanofiber membranes, and the membranes were then crosslinked by heat treatment. The electric conductivity of the PVA aqueous solution increases rapidly and the growth slows down along with the increase of citric acid content. The viscosity of 13 wt% PVA aqueous solutions with citric acid had a small increase and remained stable in one week, which was suitable for electrospinning fibers. Porous, interconnected nonwoven nanofiber membranes were electrospun from a thoroughly mixing of PVA/ citric acid aqueous solution. The membranes were then heat treated at 140 °C for 2 h. The postelectrospinning crosslinked nanofiber membranes were insoluble in water, while the non-crosslinked electrospun nanofiber membranes dissolved instantaneously. FT-IR spectrum, X-ray diffraction, and DSC thermograms reveal that crosslinking of PVA nanofiber membranes occurred through esterfication reaction during heat treatment. |
| doi_str_mv | 10.4028/www.scientific.net/JNanoR.32.32 |
| format | Article |
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The electric conductivity of the PVA aqueous solution increases rapidly and the growth slows down along with the increase of citric acid content. The viscosity of 13 wt% PVA aqueous solutions with citric acid had a small increase and remained stable in one week, which was suitable for electrospinning fibers. Porous, interconnected nonwoven nanofiber membranes were electrospun from a thoroughly mixing of PVA/ citric acid aqueous solution. The membranes were then heat treated at 140 °C for 2 h. The postelectrospinning crosslinked nanofiber membranes were insoluble in water, while the non-crosslinked electrospun nanofiber membranes dissolved instantaneously. FT-IR spectrum, X-ray diffraction, and DSC thermograms reveal that crosslinking of PVA nanofiber membranes occurred through esterfication reaction during heat treatment.</description><identifier>ISSN: 1662-5250</identifier><identifier>ISSN: 1661-9897</identifier><identifier>EISSN: 1661-9897</identifier><identifier>DOI: 10.4028/www.scientific.net/JNanoR.32.32</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Aqueous solutions ; Citric acid ; Crosslinking ; Electrospinning ; Heat treatment ; Membranes ; Nanostructure ; Polyvinyl alcohols</subject><ispartof>Journal of nano research, 2015-05, Vol.32, p.32-42</ispartof><rights>2015 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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FT-IR spectrum, X-ray diffraction, and DSC thermograms reveal that crosslinking of PVA nanofiber membranes occurred through esterfication reaction during heat treatment.</description><subject>Aqueous solutions</subject><subject>Citric acid</subject><subject>Crosslinking</subject><subject>Electrospinning</subject><subject>Heat treatment</subject><subject>Membranes</subject><subject>Nanostructure</subject><subject>Polyvinyl alcohols</subject><issn>1662-5250</issn><issn>1661-9897</issn><issn>1661-9897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkNtKAzEQhhdRsFbfYcELvdltjnu4krLUqhQV0euQZrM2NU1qklr69qauoHglDMyBn39mviS5gCAnAFWj7Xabe6GkCapTIjcyjO7uubFPOUYxDpIBLAqY1VVdHn7VKKOIguPkxPslAAWFRT1IplMnpUknWorgrF8rY5R5Tblp0yb2Xivzth_YLn20evehzE6nYy3swupRo4JTIh0L1Z4mRx3XXp5952Hycj15bm6y2cP0thnPMoFrFDJUteUcYFBSJGgJSYsqQusOkALPBZRUSE44hwTQsmolhLRr4wOEtgBgAuccD5PL3nft7PtG-sBWygupNTfSbjyDFaggAqimUXr-R7q0G2fidQwWZR1XVriMqqteJfbvOtmxtVMr7nYMArYHzSJo9gOaRdCsB80wihEdxr1DcNz4IMXi16J_enwCK4aQeA</recordid><startdate>20150501</startdate><enddate>20150501</enddate><creator>Shi, Jing Jing</creator><creator>Yang, En Long</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L7M</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20150501</creationdate><title>Green Electrospinning and Crosslinking of Polyvinyl Alcohol/Citric Acid</title><author>Shi, Jing Jing ; Yang, En Long</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-28d7b030752c5714d28459f0463bc1e5cea4aa140578de115fd98945d00341ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Aqueous solutions</topic><topic>Citric acid</topic><topic>Crosslinking</topic><topic>Electrospinning</topic><topic>Heat treatment</topic><topic>Membranes</topic><topic>Nanostructure</topic><topic>Polyvinyl alcohols</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shi, Jing Jing</creatorcontrib><creatorcontrib>Yang, En Long</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Continental Europe Database</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Materials Science Collection</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><jtitle>Journal of nano research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shi, Jing Jing</au><au>Yang, En Long</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Green Electrospinning and Crosslinking of Polyvinyl Alcohol/Citric Acid</atitle><jtitle>Journal of nano research</jtitle><date>2015-05-01</date><risdate>2015</risdate><volume>32</volume><spage>32</spage><epage>42</epage><pages>32-42</pages><issn>1662-5250</issn><issn>1661-9897</issn><eissn>1661-9897</eissn><abstract>The present study reports green electrospinning of polyvinyl alcohol (PVA) / citric acid nanofiber membranes, and the membranes were then crosslinked by heat treatment. The electric conductivity of the PVA aqueous solution increases rapidly and the growth slows down along with the increase of citric acid content. The viscosity of 13 wt% PVA aqueous solutions with citric acid had a small increase and remained stable in one week, which was suitable for electrospinning fibers. Porous, interconnected nonwoven nanofiber membranes were electrospun from a thoroughly mixing of PVA/ citric acid aqueous solution. The membranes were then heat treated at 140 °C for 2 h. The postelectrospinning crosslinked nanofiber membranes were insoluble in water, while the non-crosslinked electrospun nanofiber membranes dissolved instantaneously. FT-IR spectrum, X-ray diffraction, and DSC thermograms reveal that crosslinking of PVA nanofiber membranes occurred through esterfication reaction during heat treatment.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/JNanoR.32.32</doi><tpages>11</tpages></addata></record> |
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| source | Scientific.net Journals |
| subjects | Aqueous solutions Citric acid Crosslinking Electrospinning Heat treatment Membranes Nanostructure Polyvinyl alcohols |
| title | Green Electrospinning and Crosslinking of Polyvinyl Alcohol/Citric Acid |
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