idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
idw - Informationsdienst
Wissenschaft
Plenary Lecture by Cesar A. Barbero (Universidad Nacional de Rio Cuarto)
Thursday, September 29th, 2016, 2:00 p.m. – 2:30 p.m., Audimax, TU Darmstadt
Smart hydrogels are three dimensional crosslinked networks of polymer chains where external stimuli (pH, temperature, ionic force) induce a coil to globule transition, making them smart hydrogels. The transition causes large decreases of volume with expulsion of the inner solution. The properties of the hydrogels can be tuned by different strategies: i) changing the polymer molecular structure; ii) structuring the three dimensional morphology of the gels; iii) compositing the gels with nanomaterials.
The fabrication of nanocomposites requires bottom-up synthetic methods. Three synthetic methods are described: i) absorption of pre-formed nanomaterials inside pre-formed porous hydrogel matrix; ii) in-situ synthesis of the nanomaterial inside a preformed hydrogel matrix; iii) synthesis of a hydrogel matrix around preformed nanomaterials.
The methods are compared in terms of material characterization and synthetic power. Additionally, a synthetic method is described to make polymer alloys (homogenous polymer blends) where each polymer affect the properties of the other component. Finally, a material combining an electrically conductive material and a smart (thermosensitive) hydrogel is shown to: i) change volume upon exposition to electromagnetic radiation; ii) sense electrically force or pressure; iii) maintain conductivity upon extremely bending/flexing. Technological applications of this kind of materials will be discussed.
For more information on our plenary lectures please visit our website https://www.mse-congress.de/congress/plenary-speakers/. If you wish to register as a media representative and get free access to MSE 2016 please contact us directly at presse@dgm.de.
Further plenary lectures include:
Peter Greil (University of Erlangen-Nuernberg, Department of Materials Science (Glass and Ceramics), Erlangen, Germany):Biomorphous Ceramics
Tuesday, September 27th, 2016, 10:00 a.m. - 10:30 a.m.
Jörg F. Löffler (Laboratory of Metal Physics and Technology, Department of Materials, ETH Zurich, Switzerland): Metallic biomaterials for absorbable implant applications
Tuesday, September 27th, 2016, 1:45 p.m. - 2:15 p.m.
Yuri Estrin (Department of Materials Science and Engineering, Monash University, Clayton, Australia): Ultrafine grained metallic materials for permanent and bioresorbable medical implants
Wednesday, September 28th, 2016, 8:30 a.m. - 9:00 a.m.
Patrice E. A. Turchi (Lawrence Livermore National Laboratory, Livermore, USA): Why is alloy theory still a matter of principles?
Wednesday, September 28th, 2016, 2:00 p.m. - 2:30 p.m.
Laurent Pambaguian (Engineer in the Materials Technology Section of the European Space Agency, Netherlands): Additive Manufacturing for space industry
Wednesday, September 28th, 2016, 6:15 p.m. - 6:45 p.m.
Christoph Bartneck (HIT Lab NZ, University of Canterbury, Christchurch, New Zealand): Material Challenges in Human Robot Interaction
Thursday, September 29th, 2016, 8:30 a.m. - 9:00 a.m.
Cesar A. Barbero
Smart Polymeric Nanocomposites and Polymer Alloys. Synthesis and Applications Plenary Lecture by Cesar A. Barbero (Universidad Nacional de Rio Cuarto)
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