Berlin 2008 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 35: Interfaces

CPP 35.2: Vortrag

Freitag, 29. Februar 2008, 11:00–11:15, C 130

MD simulations of sheared brush-like systems — •Leonid Spirin¹, Torsten Kreer², and Kurt Binder¹ — ¹Johannes Gutenberg-Universitaet Mainz, Institut fuer Physik, Staudinger Weg 7, 55099 Mainz, Germany — ²Institut Charles Sadron, 6 Rue Boussingault, 67083 Strasbourg, France

Friction forces between two solid surfaces bearing polymer brushes play a key role in many applications. However, systems with soft colloids between polymer brushes have not been investigated yet. Star polymers can be taken as a model of hairy micelles or soft colloids. We perform Molecular Dynamics simulations of such systems under shear. Statical and dynamical properties are investigated. In particular, we focus on the response to non-stationary external stimuli.