Issue |
Europhys. Lett.
Volume 35, Number 2, July II 1996
|
|
---|---|---|
Page(s) | 97 - 102 | |
Section | Atomic, molecular and optical physics | |
DOI | https://doi.org/10.1209/epl/i1996-00538-7 | |
Published online | 01 September 2002 |
Equilibrium interaction between adsorbed polymer layers
1
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
Received:
22
December
1995
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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