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Microgels at fluid interfaces
Different types of microgels adsorb spontaneously at oil-water interfaces. The fact that microgels are soft, deformable and penetrated by solvent molecules distinguishes them from rigid colloidal particles. Previous experiments on microgels with different crosslinking density have shown some remarkable effects, such as the deformation of the microgels upon adsorption, concentration gradients that form within the adsorbed microgels as well as an increased adsorption dynamics for slightly crosslinked microgels. Compression isotherms as determined in a Langmuir trough revealed that microgels are easier to compress when they are in the charged as compared to the uncharged state.
Principle Investigators:
Möller, Martin, Prof. Dr.
Institute of Technical und Macromolecular Chemistry
RWTH Aachen University
49 241 80 2330049 241 80 23300
Richtering, Walter, Prof. Dr.
Institute of Physical Chemistry
RWTH Aachen University
+49 241 80 94760
Potemkin, Igor, Prof. Dr.
DWI – Leibniz Institute for Interactive Materials
and M.V. Lomonosov Moscow State University
+49 241 80 23341