Facile Method to Prepare Superhydrophobic and Water Repellent Cellulosic Paper
Silica nanoparticles (7 nm) were dispersed in solutions of a silane/siloxane mixture. The dispersions were applied, by brush, on four types of paper: (i) modern, unprinted (blank) paper, (ii) modern paper where a text was printed using a common laser jet printer, (iii) a handmade paper sheet detache...
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| Veröffentlicht in: | Journal of nanomaterials 2015-01, Vol.2015 (2015), p.1-9 |
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| container_title | Journal of nanomaterials |
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| creator | Aifantis, Katerina E. Aslanidou, Dimitra Grosu, Diana Karapanagiotis, Ioannis |
| description | Silica nanoparticles (7 nm) were dispersed in solutions of a silane/siloxane mixture. The dispersions were applied, by brush, on four types of paper: (i) modern, unprinted (blank) paper, (ii) modern paper where a text was printed using a common laser jet printer, (iii) a handmade paper sheet detached from an old book, and (iv) Japanese tissue paper. It is shown that superhydrophobicity and water repellency were achieved on the surface of the deposited films, when high particle concentrations were used (≥1% w/v), corresponding to high static (θS ≈ 162°) and low tilt (θt < 3°) contact angles. To interpret these results, scanning electron microscopy (SEM) was employed to observe the surface morphologies of the siloxane-nanoparticle films. Static contact angles, measured on surfaces that were prepared from dilute dispersions (particle concentration |
| doi_str_mv | 10.1155/2015/219013 |
| format | Article |
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The dispersions were applied, by brush, on four types of paper: (i) modern, unprinted (blank) paper, (ii) modern paper where a text was printed using a common laser jet printer, (iii) a handmade paper sheet detached from an old book, and (iv) Japanese tissue paper. It is shown that superhydrophobicity and water repellency were achieved on the surface of the deposited films, when high particle concentrations were used (≥1% w/v), corresponding to high static (θS ≈ 162°) and low tilt (θt < 3°) contact angles. To interpret these results, scanning electron microscopy (SEM) was employed to observe the surface morphologies of the siloxane-nanoparticle films. Static contact angles, measured on surfaces that were prepared from dilute dispersions (particle concentration <1% w/v), increased with particle concentration and attained a maximum value (162°) which corresponds to superhydrophobicity. Increasing further the particle concentration did not have any effect on θS. Colourimetric measurements showed that the superhydrophobic films had negligible effects on the aesthetic appearance of the treated papers. Furthermore, it is shown that the superhydrophobic character of the siloxane-nanoparticle films was stable over a wide range of pH.</description><identifier>ISSN: 1687-4110</identifier><identifier>EISSN: 1687-4129</identifier><identifier>DOI: 10.1155/2015/219013</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Atoms & subatomic particles ; Brushes ; Cellulose ; Chemical industry ; Contact ; Contact angle ; Dispersions ; Hydrophobic surfaces ; Hydrophobicity ; Nanomaterials ; Scanning electron microscopy ; Siloxanes</subject><ispartof>Journal of nanomaterials, 2015-01, Vol.2015 (2015), p.1-9</ispartof><rights>Copyright © 2015 Ioannis Karapanagiotis et al.</rights><rights>Copyright © 2015 Ioannis Karapanagiotis et al. Ioannis Karapanagiotis et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a462t-18698effeb0714ec53807259f72be37a0cfc28eae8ce28706a475ec20ad33ed23</citedby><cites>FETCH-LOGICAL-a462t-18698effeb0714ec53807259f72be37a0cfc28eae8ce28706a475ec20ad33ed23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><contributor>Bergamaschi, Enrico</contributor><creatorcontrib>Aifantis, Katerina E.</creatorcontrib><creatorcontrib>Aslanidou, Dimitra</creatorcontrib><creatorcontrib>Grosu, Diana</creatorcontrib><creatorcontrib>Karapanagiotis, Ioannis</creatorcontrib><title>Facile Method to Prepare Superhydrophobic and Water Repellent Cellulosic Paper</title><title>Journal of nanomaterials</title><description>Silica nanoparticles (7 nm) were dispersed in solutions of a silane/siloxane mixture. 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Colourimetric measurements showed that the superhydrophobic films had negligible effects on the aesthetic appearance of the treated papers. Furthermore, it is shown that the superhydrophobic character of the siloxane-nanoparticle films was stable over a wide range of pH.</description><subject>Atoms & subatomic particles</subject><subject>Brushes</subject><subject>Cellulose</subject><subject>Chemical industry</subject><subject>Contact</subject><subject>Contact angle</subject><subject>Dispersions</subject><subject>Hydrophobic surfaces</subject><subject>Hydrophobicity</subject><subject>Nanomaterials</subject><subject>Scanning electron microscopy</subject><subject>Siloxanes</subject><issn>1687-4110</issn><issn>1687-4129</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RHX</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqF0EtLw0AQB_BFFKzVk3dZ8CJKdB_ZR45SrApViw88hu1mQlPSbNxNkH57t0REvHiZGZgfw_BH6JiSS0qFuGKExkIzQvkOGlGpVZJSlu3-zJTso4MQVoSkIhNshB6nxlY14Afolq7AncNzD63xgF_6FvxyU3jXLt2istg0BX43HXj8DC3UNTQdnsTe1y7E9dxEf4j2SlMHOPruY_Q2vXmd3CWzp9v7yfUsMalkXUK1zDSUJSyIoilYwTVRTGSlYgvgyhBbWqbBgLbAtCLSpEqAZcQUnEPB-BidDXdb7z56CF2-roKNz5gGXB9yKpXKhJIpifT0D1253jfxu6iEYpJQxqO6GJT1LgQPZd76am38Jqck32abb7PNh2yjPh_0smoK81n9g08GDJFAaX5hqTXn_As2-YFt</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Aifantis, Katerina E.</creator><creator>Aslanidou, Dimitra</creator><creator>Grosu, Diana</creator><creator>Karapanagiotis, Ioannis</creator><general>Hindawi Publishing Corporation</general><general>Hindawi Limited</general><scope>ADJCN</scope><scope>AHFXO</scope><scope>RHU</scope><scope>RHW</scope><scope>RHX</scope><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>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L7M</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20150101</creationdate><title>Facile Method to Prepare Superhydrophobic and Water Repellent Cellulosic Paper</title><author>Aifantis, Katerina E. ; 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The dispersions were applied, by brush, on four types of paper: (i) modern, unprinted (blank) paper, (ii) modern paper where a text was printed using a common laser jet printer, (iii) a handmade paper sheet detached from an old book, and (iv) Japanese tissue paper. It is shown that superhydrophobicity and water repellency were achieved on the surface of the deposited films, when high particle concentrations were used (≥1% w/v), corresponding to high static (θS ≈ 162°) and low tilt (θt < 3°) contact angles. To interpret these results, scanning electron microscopy (SEM) was employed to observe the surface morphologies of the siloxane-nanoparticle films. Static contact angles, measured on surfaces that were prepared from dilute dispersions (particle concentration <1% w/v), increased with particle concentration and attained a maximum value (162°) which corresponds to superhydrophobicity. Increasing further the particle concentration did not have any effect on θS. Colourimetric measurements showed that the superhydrophobic films had negligible effects on the aesthetic appearance of the treated papers. Furthermore, it is shown that the superhydrophobic character of the siloxane-nanoparticle films was stable over a wide range of pH.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2015/219013</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Wiley Online Library Open Access; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Atoms & subatomic particles Brushes Cellulose Chemical industry Contact Contact angle Dispersions Hydrophobic surfaces Hydrophobicity Nanomaterials Scanning electron microscopy Siloxanes |
| title | Facile Method to Prepare Superhydrophobic and Water Repellent Cellulosic Paper |
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