The surface pressure effect of pentaoxyethylene and maltoside surfactant head groups

From experimental surface tension data for water solutions of dodecyl-β-maltoside, C 12M, and dodecyl-penta-(ethylene oxide), C 12EO 5, in the range below the CMC, the corresponding head group surface pressure functions vs. packing density were derived. These functions were compared with theoretical...

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Bibliographic Details
Published in:Advances in colloid and interface science 2001-01, Vol.89, p.293-302
Main Authors: Liljekvist, Pernilla, Kjellin, Mikael, Christer Eriksson, Jan
Format: Article
Language:English
Subjects:
Ionic surfactant
Surface tension
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Summary:From experimental surface tension data for water solutions of dodecyl-β-maltoside, C 12M, and dodecyl-penta-(ethylene oxide), C 12EO 5, in the range below the CMC, the corresponding head group surface pressure functions vs. packing density were derived. These functions were compared with theoretical expressions based on some different models of the mixed head group/water film. Tentatively, we concluded that the two-dimensional hard fluid approach provides a convenient starting-point in order to account for the observed surface pressures of both the maltoside and EO head groups.
ISSN:0001-8686
1873-3727
1873-3727
DOI:10.1016/S0001-8686(00)00055-5