Volume 35, Number 2, July II 1996
|Page(s)||97 - 102|
|Section||Atomic, molecular and optical physics|
|Published online||01 September 2002|
Equilibrium interaction between adsorbed polymer layers
Institut Charles Sadron (UPR CNRS
022), 6 rue Boussingault, 67083 Strasbourg Cedex, France
2 Universitat de Barcelona, Facultat de Fisica, Departement de Fisica Fonamental, Barcelona, Spain
3 Department of Applied Mathematics, University of Leeds - Leeds LS2 9JT, UK
Accepted: 26 May 1996
We discuss the force between two surfaces coated with adsorbed polymer layers in thermodynamic equilibrium with a polymer solution. We use a mean-field theory that explicitly takes into account the loops and tails structure of the adsorbed polymer layers. The force has a non-monotonic variation with distance: it is attractive at short distances where the loops dominate and where bridging is important and it is repulsive at large distances where the tails dominate.
PACS: 36.20.-r – Macromolecules and polymer molecules / 68.45.-v – Solid-fluid interfaces
© EDP Sciences, 1996
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