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Berlin 2005 – scientific programme

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CPP: Chemische Physik und Polymerphysik

CPP 29: POSTER: Polymer physics

CPP 29.18: Poster

Tuesday, March 8, 2005, 16:30–18:30, Poster TU D

Collective description of polymer blends in the presence of a surface — •Semjon Stepanow and Andrei Fedorenko — Martin-Luther-Universität Halle, Fachbereich Physik, D-06099

We consider the polymer blend composed of two different homopolymers in the presence of the surface. Using the random phase approximation we derive the effective surface Hamiltonian, and study the interplay between the surface and the bulk behaviour of mixture of polymers, which have different affinities to the surface. Additionally, we consider the compressible polymer melt near the attractive surface, and study the mononer density profile and the surface concentration of adsorbed polymers using the concept of effective potentials.

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