Small angle neutron scattering (SANS) investigations of sodium alkyl sulfate micelles

S. Borbely, L. Cser, I. A. Gladkih, Yu M. Ostanevich, Sz Vass

Research output: Contribution to journalConference article

Abstract

The average aggregation number (n) of sodium alkyl sulfate micelles in heavy water solution depends on the amphifilic concentration (c), on the temperature (T) and on the length of the hydrocarbon chain (nc). Three competing effects determine the equilibrium value of the average aggregation number of a given micellar solution. Namely, the hydrophobic effect, the repulsion electrostatic force inside the micelles acting between the charged head groups, and electrostatic interaction between the micelles. The aim of the present work is to find the simplest model which still gives physically meaningful description of the concentration, temperature and the hydrocarbon chain length dependence of the aggregation number obtained from SANS data.

Original languageEnglish
Number of pages1
JournalProgress in Colloid and Polymer Science
Volume81
Publication statusPublished - Dec 1 1990

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Polymers and Plastics
  • Colloid and Surface Chemistry
  • Materials Chemistry

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