Study of nano-emulsion formation by dilution of microemulsions
[Display omitted] ► Effect of dilution procedure and cosurfactant nature on O/W nano-emulsion formation by self-emulsification. ► Dilution of O/W microemulsions results in nano-emulsions regardless the dilution procedure. ► Dilution of W/O microemulsions only results in nano-emulsions when water is...
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| Veröffentlicht in: | Journal of colloid and interface science 2012-06, Vol.376 (1), p.133-139 |
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| container_title | Journal of colloid and interface science |
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| creator | Solè, I. Solans, C. Maestro, A. González, C. Gutiérrez, J.M. |
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► Effect of dilution procedure and cosurfactant nature on O/W nano-emulsion formation by self-emulsification. ► Dilution of O/W microemulsions results in nano-emulsions regardless the dilution procedure. ► Dilution of W/O microemulsions only results in nano-emulsions when water is added stepwise. ► Nano-emulsion size decreases with cosurfactant alkyl chain length. ► Nano-emulsion stability increases with cosurfactant alkyl chain length.
The influence of different dilution procedures on the properties of oil-in-water (O/W) nano-emulsions obtained by dilution of oil-in-water (O/W) and water-in-oil (W/O) microemulsions has been studied. The system water/SDS/cosurfactant/dodecane with either hexanol or pentanol as cosurfactant was chosen as model system. The dilution procedures consisted of adding water (or microemulsion) stepwise or at once over a microemulsion (or water). Starting emulsification from O/W microemulsions, nano-emulsions with droplet diameters of 20nm are obtained, independently on the microemulsion composition and the dilution procedure used. In contrast, starting emulsification from W/O microemulsions, nano-emulsions are only obtained if the emulsification conditions allow reaching the equilibrium in an O/W microemulsion domain during the process. These conditions are achieved by stepwise addition of water over W/O microemulsions with O/S ratios at which a direct microemulsion domain is crossed during emulsification. The nature of the alcohol used as cosurfactant has been found to play a key role on the properties of the nano-emulsions obtained: nano-emulsions in the system using hexanol as cosurfactant are smaller in size, lower in polydispersity, and have a higher stability than those with pentanol. |
| doi_str_mv | 10.1016/j.jcis.2012.02.063 |
| format | Article |
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► Effect of dilution procedure and cosurfactant nature on O/W nano-emulsion formation by self-emulsification. ► Dilution of O/W microemulsions results in nano-emulsions regardless the dilution procedure. ► Dilution of W/O microemulsions only results in nano-emulsions when water is added stepwise. ► Nano-emulsion size decreases with cosurfactant alkyl chain length. ► Nano-emulsion stability increases with cosurfactant alkyl chain length.
The influence of different dilution procedures on the properties of oil-in-water (O/W) nano-emulsions obtained by dilution of oil-in-water (O/W) and water-in-oil (W/O) microemulsions has been studied. The system water/SDS/cosurfactant/dodecane with either hexanol or pentanol as cosurfactant was chosen as model system. The dilution procedures consisted of adding water (or microemulsion) stepwise or at once over a microemulsion (or water). Starting emulsification from O/W microemulsions, nano-emulsions with droplet diameters of 20nm are obtained, independently on the microemulsion composition and the dilution procedure used. In contrast, starting emulsification from W/O microemulsions, nano-emulsions are only obtained if the emulsification conditions allow reaching the equilibrium in an O/W microemulsion domain during the process. These conditions are achieved by stepwise addition of water over W/O microemulsions with O/S ratios at which a direct microemulsion domain is crossed during emulsification. The nature of the alcohol used as cosurfactant has been found to play a key role on the properties of the nano-emulsions obtained: nano-emulsions in the system using hexanol as cosurfactant are smaller in size, lower in polydispersity, and have a higher stability than those with pentanol.</description><identifier>ISSN: 0021-9797</identifier><identifier>EISSN: 1095-7103</identifier><identifier>DOI: 10.1016/j.jcis.2012.02.063</identifier><identifier>PMID: 22480397</identifier><identifier>CODEN: JCISA5</identifier><language>eng</language><publisher>Amsterdam: Elsevier Inc</publisher><subject>Alkanes - chemistry ; Chemistry ; Colloidal state and disperse state ; Dilution of microemulsions ; Dodecane ; Droplets ; Emulsification ; Emulsions - chemistry ; Emulsions. Microemulsions. Foams ; Exact sciences and technology ; General and physical chemistry ; Hexanols - chemistry ; Low-energy methods ; Microemulsions ; Nano-emulsions ; Nanocomposites ; Nanoemulsions ; Nanomaterials ; Nanostructure ; Oils - chemistry ; Pentanols - chemistry ; Self-emulsification ; Sodium Dodecyl Sulfate - chemistry ; Stability ; Surface-Active Agents - chemistry ; Water - chemistry</subject><ispartof>Journal of colloid and interface science, 2012-06, Vol.376 (1), p.133-139</ispartof><rights>2012 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2012 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c562t-593e4325e7ceb0a6817b77df05ccb9a007bd158b42e1aae8243983c1213896143</citedby><cites>FETCH-LOGICAL-c562t-593e4325e7ceb0a6817b77df05ccb9a007bd158b42e1aae8243983c1213896143</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jcis.2012.02.063$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25888764$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22480397$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Solè, I.</creatorcontrib><creatorcontrib>Solans, C.</creatorcontrib><creatorcontrib>Maestro, A.</creatorcontrib><creatorcontrib>González, C.</creatorcontrib><creatorcontrib>Gutiérrez, J.M.</creatorcontrib><title>Study of nano-emulsion formation by dilution of microemulsions</title><title>Journal of colloid and interface science</title><addtitle>J Colloid Interface Sci</addtitle><description>[Display omitted]
► Effect of dilution procedure and cosurfactant nature on O/W nano-emulsion formation by self-emulsification. ► Dilution of O/W microemulsions results in nano-emulsions regardless the dilution procedure. ► Dilution of W/O microemulsions only results in nano-emulsions when water is added stepwise. ► Nano-emulsion size decreases with cosurfactant alkyl chain length. ► Nano-emulsion stability increases with cosurfactant alkyl chain length.
The influence of different dilution procedures on the properties of oil-in-water (O/W) nano-emulsions obtained by dilution of oil-in-water (O/W) and water-in-oil (W/O) microemulsions has been studied. The system water/SDS/cosurfactant/dodecane with either hexanol or pentanol as cosurfactant was chosen as model system. The dilution procedures consisted of adding water (or microemulsion) stepwise or at once over a microemulsion (or water). Starting emulsification from O/W microemulsions, nano-emulsions with droplet diameters of 20nm are obtained, independently on the microemulsion composition and the dilution procedure used. In contrast, starting emulsification from W/O microemulsions, nano-emulsions are only obtained if the emulsification conditions allow reaching the equilibrium in an O/W microemulsion domain during the process. These conditions are achieved by stepwise addition of water over W/O microemulsions with O/S ratios at which a direct microemulsion domain is crossed during emulsification. The nature of the alcohol used as cosurfactant has been found to play a key role on the properties of the nano-emulsions obtained: nano-emulsions in the system using hexanol as cosurfactant are smaller in size, lower in polydispersity, and have a higher stability than those with pentanol.</description><subject>Alkanes - chemistry</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Dilution of microemulsions</subject><subject>Dodecane</subject><subject>Droplets</subject><subject>Emulsification</subject><subject>Emulsions - chemistry</subject><subject>Emulsions. Microemulsions. Foams</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Hexanols - chemistry</subject><subject>Low-energy methods</subject><subject>Microemulsions</subject><subject>Nano-emulsions</subject><subject>Nanocomposites</subject><subject>Nanoemulsions</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Oils - chemistry</subject><subject>Pentanols - chemistry</subject><subject>Self-emulsification</subject><subject>Sodium Dodecyl Sulfate - chemistry</subject><subject>Stability</subject><subject>Surface-Active Agents - chemistry</subject><subject>Water - chemistry</subject><issn>0021-9797</issn><issn>1095-7103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1LHEEQhpsQiRuTP-BB9hLIZdaq7ukvEEEkMQHBQ-K56empgV7mQ7tnAvvvnXFXj1EoqDo89VJvvYydImwQUJ1vN9sQ84YD8g3MpcQHtkKwstAI4iNbAXAsrLb6mH3OeQuAKKX9xI45Lw0Iq1fs8s841bv10Kx73w8FdVOb49CvmyF1flymareuYzs9zzPWxZCGFyx_YUeNbzN9PfQTdv_zx9_rX8Xt3c3v66vbIkjFx0JaQaXgknSgCrwyqCut6wZkCJX1ALqqUZqq5ITek-GlsEYE5CiMVViKE_Z9r_uQhseJ8ui6mAO1re9pmLJDpVEqzY14GwXOjQWt7DtQ4NqWJS6qfI_O7nNO1LiHFDufdjPkljTc1i1puCUNB3OpZensoD9VHdWvKy_vn4FvB8Dn4Nsm-X7ReOWkMUarxf7FnqP5x_8iJZdDpD5QHROF0dVD_N8dT2cepis</recordid><startdate>20120615</startdate><enddate>20120615</enddate><creator>Solè, I.</creator><creator>Solans, C.</creator><creator>Maestro, A.</creator><creator>González, C.</creator><creator>Gutiérrez, J.M.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20120615</creationdate><title>Study of nano-emulsion formation by dilution of microemulsions</title><author>Solè, I. ; Solans, C. ; Maestro, A. ; González, C. ; Gutiérrez, J.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c562t-593e4325e7ceb0a6817b77df05ccb9a007bd158b42e1aae8243983c1213896143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Alkanes - chemistry</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Dilution of microemulsions</topic><topic>Dodecane</topic><topic>Droplets</topic><topic>Emulsification</topic><topic>Emulsions - chemistry</topic><topic>Emulsions. Microemulsions. Foams</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Hexanols - chemistry</topic><topic>Low-energy methods</topic><topic>Microemulsions</topic><topic>Nano-emulsions</topic><topic>Nanocomposites</topic><topic>Nanoemulsions</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Oils - chemistry</topic><topic>Pentanols - chemistry</topic><topic>Self-emulsification</topic><topic>Sodium Dodecyl Sulfate - chemistry</topic><topic>Stability</topic><topic>Surface-Active Agents - chemistry</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Solè, I.</creatorcontrib><creatorcontrib>Solans, C.</creatorcontrib><creatorcontrib>Maestro, A.</creatorcontrib><creatorcontrib>González, C.</creatorcontrib><creatorcontrib>Gutiérrez, J.M.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of colloid and interface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Solè, I.</au><au>Solans, C.</au><au>Maestro, A.</au><au>González, C.</au><au>Gutiérrez, J.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of nano-emulsion formation by dilution of microemulsions</atitle><jtitle>Journal of colloid and interface science</jtitle><addtitle>J Colloid Interface Sci</addtitle><date>2012-06-15</date><risdate>2012</risdate><volume>376</volume><issue>1</issue><spage>133</spage><epage>139</epage><pages>133-139</pages><issn>0021-9797</issn><eissn>1095-7103</eissn><coden>JCISA5</coden><abstract>[Display omitted]
► Effect of dilution procedure and cosurfactant nature on O/W nano-emulsion formation by self-emulsification. ► Dilution of O/W microemulsions results in nano-emulsions regardless the dilution procedure. ► Dilution of W/O microemulsions only results in nano-emulsions when water is added stepwise. ► Nano-emulsion size decreases with cosurfactant alkyl chain length. ► Nano-emulsion stability increases with cosurfactant alkyl chain length.
The influence of different dilution procedures on the properties of oil-in-water (O/W) nano-emulsions obtained by dilution of oil-in-water (O/W) and water-in-oil (W/O) microemulsions has been studied. The system water/SDS/cosurfactant/dodecane with either hexanol or pentanol as cosurfactant was chosen as model system. The dilution procedures consisted of adding water (or microemulsion) stepwise or at once over a microemulsion (or water). Starting emulsification from O/W microemulsions, nano-emulsions with droplet diameters of 20nm are obtained, independently on the microemulsion composition and the dilution procedure used. In contrast, starting emulsification from W/O microemulsions, nano-emulsions are only obtained if the emulsification conditions allow reaching the equilibrium in an O/W microemulsion domain during the process. These conditions are achieved by stepwise addition of water over W/O microemulsions with O/S ratios at which a direct microemulsion domain is crossed during emulsification. The nature of the alcohol used as cosurfactant has been found to play a key role on the properties of the nano-emulsions obtained: nano-emulsions in the system using hexanol as cosurfactant are smaller in size, lower in polydispersity, and have a higher stability than those with pentanol.</abstract><cop>Amsterdam</cop><pub>Elsevier Inc</pub><pmid>22480397</pmid><doi>10.1016/j.jcis.2012.02.063</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Alkanes - chemistry Chemistry Colloidal state and disperse state Dilution of microemulsions Dodecane Droplets Emulsification Emulsions - chemistry Emulsions. Microemulsions. Foams Exact sciences and technology General and physical chemistry Hexanols - chemistry Low-energy methods Microemulsions Nano-emulsions Nanocomposites Nanoemulsions Nanomaterials Nanostructure Oils - chemistry Pentanols - chemistry Self-emulsification Sodium Dodecyl Sulfate - chemistry Stability Surface-Active Agents - chemistry Water - chemistry |
| title | Study of nano-emulsion formation by dilution of microemulsions |
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