Interactions of partially screened polyelectrolyte layers with oppositely charged surfactant in confined environment

T. Abraham, S. Giasson

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

We studied the association of hydrophobically anchored polyelectrolyte layers with a free oppositely charged surfactant at a hydrophobized solid-liquid interface under partially screened conditions using the surface forces and ellipsometry techniques. Combining results from both measurements, we conclude that the association of surfactant (from solution below the cmc) with partially screened adsorbed polyelectrolyte layers causes a reduction in the surface density of the polymer chains and a subsequent reduction in the extensibility of the chains.

Original languageEnglish (US)
Pages (from-to)103-110
Number of pages8
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume180
Issue number1-2
DOIs
StatePublished - May 15 2001

All Science Journal Classification (ASJC) codes

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

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