NDLI: Colloidal properties of binary mixtures of a nonionic surfactant and monomeric or gemini cationic surfactants

Content Provider	Springer Nature Link
Author	Soboleva, O. A. Badun, G. A. Summ, B. D.
Copyright Year	2006
Abstract	The behavior of binary mixtures composed of a nonionic surfactant Triton X-100 (TX-100) and monomeric dodecyltrimethylammonium bromide (DTAB) or gemini N,N’-bis(N-dodecyl-N,N-dimethyl)-1,2-diammonium ethane dibromide (DDAB) cationic surfactants is studied upon micellization, wetting of Teflon and adsorption at the solution-air and solution-Teflon interfaces. The compositions of mixed micelles and adsorption layers, as well as the parameters of interaction between the surfactants (mixture components), were calculated using the Rubingh-Rosen model. For both mixtures, the interaction parameters are negative, and their absolute values increase in the following order: mixed micelles ≈ adsorption layers at the solution-air interface < adsorption layers at the solution-Teflon interface. The absolute values of the interaction parameters for TX-100-DDAB mixtures are larger than those for TX-100-DTAB mixtures. The adsorption of both mixtures on Teflon demonstrates synergistic effects. In case of TX-100-DDAB mixtures, the synergistic effects are also observed upon micellization, reduction of the surface tension, and wetting of Teflon.
Starting Page	228
Ending Page	235
Page Count	8
File Format	PDF
ISSN	1061933X
Journal	Colloid Journal
Volume Number	68
Issue Number	2
e-ISSN	16083067
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2006-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Physical and Theoretical Chemistry Surfaces and Interfaces

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