Dhr.ir. J.H.B. (Joris) Sprakel: “The physics of self-organizing polymers”

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12 Jun 2009 16:00
Unit: Wageningen University
Location: Aula, building 362, Gen. Foulkesweg 1, Wageningen
Organisation: Wageningen University
Promotor: prof.dr. M.A. Cohen Stuart (Physical Chemistry and Colloid Chemistry)
Promotor: Prof.dr.ir. F.A.M. Leermakers
Co Promotor: Dr.ir. J. van der Gucht

 In this project we studied macromolecules, i.e. molecules consisting of many repeat-units, that spontaneously assemble into structures ranging from the nano- to the macroscale. On the macroscale, these molecules spontaneously form gels, which are widely used in paints, cosmetics and oil-mining fluids as thickeners. Here we took a fundamental look at these systems, from a physics point of view, by combining experiments, computermodeling and theory. For a wide variety of situations, such as in dilute or in concentrated solutions, in rest or while flowing, in bulk or confined between two solid walls, we analyzed which forces are at play on a molecular level and how the subtle balance between the various forces determines the behavior of these systems on a much larger scale.
Title thesis: “Physics of associative polymers; bridging time and length scales”
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