Issue 4, 2016

The effect of adsorption kinetics on the rate of surfactant-enhanced spreading

Abstract

A comparison of the kinetics of spreading of aqueous solutions of two different surfactants on an identical substrate and their short time adsorption kinetics at the water/air interface has shown that the surfactant which adsorbs slower provides a higher spreading rate. This observation indicates that Marangoni flow should be an important part of the spreading mechanism enabling surfactant solutions to spread much faster than pure liquids with comparable viscosities and surface tensions.

Graphical abstract: The effect of adsorption kinetics on the rate of surfactant-enhanced spreading

Article information

Article type
Communication
Submitted
06 Oct 2015
Accepted
14 Nov 2015
First published
18 Nov 2015

Soft Matter, 2016,12, 1009-1013

Author version available

The effect of adsorption kinetics on the rate of surfactant-enhanced spreading

N. M. Kovalchuk, O. K. Matar, R. V. Craster, R. Miller and V. M. Starov, Soft Matter, 2016, 12, 1009 DOI: 10.1039/C5SM02493E

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