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Mixed micelles of fluorocarbon and hydrocarbon surfactants. A small angle neutron scattering study
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2004 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 20, no 10, 3933-3939 p.Article in journal (Refereed) Published
Abstract [en]

Mixtures of the partly fluorinated cationic surfactant HFDePC (N-(1, 1,2,2-tetrahydroperfluorodecanyl)pyridinium chloride and deuterated headgroup) with C(16)TAC, hexadecyl-trimethylammonium chloride, have been investigated using small angle neutron scattering with contrast matching. Earlier results from this system suggested that a demixing occurred, into two coexisting populations of micelles, hydrocarbon-rich and fluorocarbon-rich, respectively. The present results could be explained by one type of mixed micelles with an inhomogeneous distribution of fluorinated and hydrogenated surfactants within the micelles although a demixing cannot be definitely excluded.

Place, publisher, year, edition, pages
2004. Vol. 20, no 10, 3933-3939 p.
Keyword [en]
sodium perfluorooctanoate, aqueous-solutions, self-diffusion, mixtures, systems, sulfate, miscibility, behavior, chloride, colloids
National Category
Physical Chemistry Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-23399DOI: 10.1021/la036410tISI: 000221319400021Scopus ID: 2-s2.0-2542502352OAI: oai:DiVA.org:kth-23399DiVA: diva2:342097
Note
QC 20100525 QC 20111025Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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