title: 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.
authors.affiliation: Imperial College London, South Kensington Campus, London SW7 2AZ, UK and Institute of Biocolloid Chemistry, Kiev 03142, Ukraine.
authors.forename: N M
authors.initials: NM
authors.lastname: Kovalchuk
authors.affiliation: Imperial College London, South Kensington Campus, London SW7 2AZ, UK.
authors.forename: O K
authors.initials: OK
authors.lastname: Matar
authors.affiliation: Imperial College London, South Kensington Campus, London SW7 2AZ, UK.
authors.forename: R V
authors.initials: RV
authors.lastname: Craster
authors.affiliation: Max Planck Institute of Colloids and Interfaces, Golm, D-14424, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Miller
authors.affiliation: Loughborough University, Loughborough, LE 11 3TU, UK. V.M.Starov@lboro.ac.uk.
authors.forename: V M
authors.initials: VM
authors.lastname: Starov
mesh_terms: D000327:Adsorption; D007700:Kinetics; D013500:Surface Tension; D013501:Surface-Active Agents / Q000737:chemistry*; D014783:Viscosity; D014867:Water / Q000737:chemistry
chemical_list: D013501:Surface-Active Agents; D014867:Water