Spread films of synthetic polyelectrolyte-surfactant complexes: Dilational viscoelasticity and effect on water evaporation

Research output

9 Citations (Scopus)

Abstract

Data are presented on the dynamic surface properties of films formed from sodium polystyrenesulfonate-dodecyltrimethylammonium bromide (PSS-DTAB) and poly(diallyldimethylammonium chloride)-sodium dodecyl sulfate (PDADMAC-SDS) complexes by the spreading of the above substances onto a water surface from their concentrated solutions. These films are shown to be stable up to surface pressures of 20 mN/m (PSS-DTAB) and 37 mN/m (PDADMAC-SDS). In the latter case, when the limiting surface pressure is reached, microaggregates are formed in the surface layer along with the film dissolution. The surface films in question markedly decelerate water evaporation, and this phenomenon cannot be explained in terms of the classical Goddard model of the structure of films prepared from polyelectrolyte-surfactant complexes and, at the same time, is in good agreement with a recently proposed model that takes into account hydrophobic interactions.

Original languageEnglish
Pages (from-to)202-207
Number of pages6
JournalColloid Journal
Volume71
Issue number2
DOIs
Publication statusPublished - Apr 2009

Fingerprint

viscoelasticity
Viscoelasticity
Polyelectrolytes
Surface-Active Agents
Evaporation
Surface active agents
surfactants
evaporation
Water
water
Sodium dodecyl sulfate
sodium sulfates
Sodium Dodecyl Sulfate
bromides
chlorides
surface water
surface properties
Surface properties
surface layers
dissolving

Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

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abstract = "Data are presented on the dynamic surface properties of films formed from sodium polystyrenesulfonate-dodecyltrimethylammonium bromide (PSS-DTAB) and poly(diallyldimethylammonium chloride)-sodium dodecyl sulfate (PDADMAC-SDS) complexes by the spreading of the above substances onto a water surface from their concentrated solutions. These films are shown to be stable up to surface pressures of 20 mN/m (PSS-DTAB) and 37 mN/m (PDADMAC-SDS). In the latter case, when the limiting surface pressure is reached, microaggregates are formed in the surface layer along with the film dissolution. The surface films in question markedly decelerate water evaporation, and this phenomenon cannot be explained in terms of the classical Goddard model of the structure of films prepared from polyelectrolyte-surfactant complexes and, at the same time, is in good agreement with a recently proposed model that takes into account hydrophobic interactions.",
author = "Kuznetsov, {V. M.} and Akentiev, {A. V.} and Noskov, {B. A.} and Toikka, {A. M.}",
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T2 - Dilational viscoelasticity and effect on water evaporation

AU - Kuznetsov, V. M.

AU - Akentiev, A. V.

AU - Noskov, B. A.

AU - Toikka, A. M.

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N2 - Data are presented on the dynamic surface properties of films formed from sodium polystyrenesulfonate-dodecyltrimethylammonium bromide (PSS-DTAB) and poly(diallyldimethylammonium chloride)-sodium dodecyl sulfate (PDADMAC-SDS) complexes by the spreading of the above substances onto a water surface from their concentrated solutions. These films are shown to be stable up to surface pressures of 20 mN/m (PSS-DTAB) and 37 mN/m (PDADMAC-SDS). In the latter case, when the limiting surface pressure is reached, microaggregates are formed in the surface layer along with the film dissolution. The surface films in question markedly decelerate water evaporation, and this phenomenon cannot be explained in terms of the classical Goddard model of the structure of films prepared from polyelectrolyte-surfactant complexes and, at the same time, is in good agreement with a recently proposed model that takes into account hydrophobic interactions.

AB - Data are presented on the dynamic surface properties of films formed from sodium polystyrenesulfonate-dodecyltrimethylammonium bromide (PSS-DTAB) and poly(diallyldimethylammonium chloride)-sodium dodecyl sulfate (PDADMAC-SDS) complexes by the spreading of the above substances onto a water surface from their concentrated solutions. These films are shown to be stable up to surface pressures of 20 mN/m (PSS-DTAB) and 37 mN/m (PDADMAC-SDS). In the latter case, when the limiting surface pressure is reached, microaggregates are formed in the surface layer along with the film dissolution. The surface films in question markedly decelerate water evaporation, and this phenomenon cannot be explained in terms of the classical Goddard model of the structure of films prepared from polyelectrolyte-surfactant complexes and, at the same time, is in good agreement with a recently proposed model that takes into account hydrophobic interactions.

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