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dc.contributor.author
Adam, Claudia Guadalupe
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dc.contributor.author
Fortunato, Graciela Guadalupe
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dc.date.available
2020-07-26T14:31:29Z
dc.date.issued
2019-01
dc.identifier.citation
Adam, Claudia Guadalupe; Fortunato, Graciela Guadalupe; Synthesis and Self-Assembly Properties of New Surface-Active 1-Alkylimidazolium Ionic Liquids in Aqueous Media; Wiley; J Surfact Deterg; 22; 3; 1-2019; 501-513
dc.identifier.issn
1558-9293
dc.identifier.uri
http://hdl.handle.net/11336/110279
dc.description.abstract
New cationic surface-active ionic liquids (SAIL)were synthesized using 1-alkylimidazolium cations [CnHim](n = 8, 10, 12, 14, and 16) with trifluoroacetate ([CF3CO2])and methanesulfonate ([CH3SO3]) anions as counterions.Their self-aggregation behavior in water was investigatedusing electrical conductivity and fluorescence measurements.Based on the obtained results, the critical micellar concentration(CMC), the degree of counterion dissociation, α, theGibbs free energy of micelle formation, ΔG0mic, and themean aggregation number (Nagg) were determined. Theanalysis of these parameters indicates that these new SAILexhibit certain improved properties with respect to traditionalcationic surfactants. Furthermore, SAIL with[CF3CO2] counterions exhibit lower CMC values thanalkyltrimethylammonium bromide (CnTAB)-type surfactantsand their dialkylimidazolium counterparts with thesame alkyl chain length. It was demonstrated that, in thestudied SAIL, the hydrophobic probe pyrene resides deeperinside the palisade layer of the micelle and the estimatedET(30) polarity values of micellar pseudophase confirm thisresult. The abovementioned outcomes demonstrate that the1-alkylimidazolium cation is suitable to promote aggregationwhen it is accompanied by the appropriate counterions.Consequently, this contribution becomes a valuable firststep toward the potential application of these compounds asa new class of ?designed cationic surfactants.?
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
1-ALQUILIMIDAZOLIUM
dc.subject
SYNTHESIS
dc.subject
SELF-ASSEMBLY
dc.subject
MICELLES
dc.subject.classification
Química Orgánica
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dc.subject.classification
Ciencias Químicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Synthesis and Self-Assembly Properties of New Surface-Active 1-Alkylimidazolium Ionic Liquids in Aqueous Media
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-07-20T16:24:18Z
dc.journal.volume
22
dc.journal.number
3
dc.journal.pagination
501-513
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
New Yersey
dc.description.fil
Fil: Adam, Claudia Guadalupe. Universidad Nacional del Litoral. Instituto de Química Aplicada del Litoral. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Química Aplicada del Litoral.; Argentina
dc.description.fil
Fil: Fortunato, Graciela Guadalupe. Universidad Nacional del Litoral. Instituto de Química Aplicada del Litoral. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Química Aplicada del Litoral.; Argentina
dc.journal.title
J Surfact Deterg
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/jsde.12260
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