http://www.cnr.it/ontology/cnr/individuo/prodotto/ID200683
Adsorption layer properties and foam film drainage of aqueous solutions of tetraethyleneglycol monododecyl ether (Articolo in rivista)
- Type
- Label
- Adsorption layer properties and foam film drainage of aqueous solutions of tetraethyleneglycol monododecyl ether (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.colsurfa.2011.09.061 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Arabadzhieva D.; Mileva E.; Tchoukov P.; Miller R.; Ravera F.; Liggieri L. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.sciencedirect.com/science/article/pii/S0927775711006339 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1-3 : Institute of Physical Chemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. bl.11, 1113 Sofia, Bulgaria /
4 : Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany /
5,6 : CNR, Istituto per l'Energetica e le Interfasi, 16149 Genova, Italy (literal)
- Titolo
- Adsorption layer properties and foam film drainage of aqueous solutions of tetraethyleneglycol monododecyl ether (literal)
- Abstract
- The aim of the present study is to clarify how the surfactant adsorption layer properties are related to the course of the drainage parameters of microscopic foam films in the special case of aqueous solutions of the non-ionic amphiphile tetraethyleneglycol monododecyl ether (C(12)E(4)). containing premicellar nanostructures. The scope of the research covers adsorption dynamics, construction of equilibrium adsorption isotherms, studies on surface rheology of the interfacial layers and microscopic foam film drainage kinetics. It is established that in the premicellar concentration domain considerable irregularities of the adsorption layer properties are observed: two plateau regions are registered in the experimental surface tension isotherm along with unusual changes of the surface rheological characteristics. The systematic investigation of the drainage of microscopic foam films obtained from these solutions show that the dependencies of basic kinetic parameters of the films on the amphiphile concentration run in synchrony with the changes in the adsorption layer properties. This fact is related to the presence of smaller surfactant aggregates (premicelles). They are presumed to be organized as Platonic bodies. The premicelles play also a significant role in the kinetic stability of the films. The importance of this research is in providing better insight into the initial stages of self-assembling phenomena and into the factors determining the adsorption layer properties and the drainage behaviour of thin liquid films. (C) 2011 Elsevier B.V. All rights reserved. (literal)
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