Berlin 2005 – wissenschaftliches Programm

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CPP: Chemische Physik und Polymerphysik

CPP 29: POSTER: Polymer physics

CPP 29.33: Poster

Dienstag, 8. März 2005, 16:30–18:30, Poster TU D

Swelling and Plasticization in Glassy Polymer/Gas-Systems - Combined Examination of Experimental and Modelling Results — •Ole Hoelck¹, Martin Boehning¹, Martin Siegert², and Matthias Heuchel² — ¹Bundesanstalt fuer Materialforschung und -pruefung (BAM VI.3), Unter den Eichen 87, 12200 Berlin — ²GKSS Forschungszentrum Geesthacht GmbH, Inst. f. Chemie, Kantstrasse 55, 14513 Teltow

Swelling and plasticization of glassy polymers upon sorption of gas molecules affects several application relevant properties as well as the general stability and reliability of the polymer matrix. This joint research project of experimental evaluation and molecular modelling aims at the convergence of boundary conditions of both, experiment and simulation, to enable a comparison and complementary analysis of their results, in order to gain a deeper understanding of the phenomena on the molecular level. Presented results - focussed on the polysulfone/carbondioxide-system - concerning corresponding changes in physical properties of simulation and experiment are subjected to interpretation in terms of the site-distribution model as well as other phenomenological gas transport models.