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Dresden 2011 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 16: Focused Session: Confinement of Polymers in Nanoscopic Layers - How Much do Properties Change? II

CPP 16.2: Invited Talk

Tuesday, March 15, 2011, 14:30–15:00, ZEU 160

Conformational properties of polymer melts in spatial confinementHendrik Meyer, Albert Johner, Joachim Wittmer, Julia Zabel, Jean Farago, and •Jörg Baschnagel — Institut Charles Sadron, Strasbourg, France

Over the last years several groups discussed deviations from chain ideality in homopolymer melts and dense solutions. These deviations result from the interplay between melt incompressibilty and chain connectivity; the strength of the effect depends on the dimensionality of space. After an introduction to the behavior in the bulk we focus on polymer melts confined to thin films and capillaries. We find that deviations from chain ideality are stronger in thin films than in bulk and even stronger in thin capillaries. These theoretical predictions will be illustrated by results from molecular simulations of simple (coarse-grained) polymer models.

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