The preparation of multilayer and nanostructured polymer systems involves a layer-by-layer approach where polymer layers can be chemisorbed or physisorbed to formed controlled stacks and thicknesses. Combinations with grafted polymer brushes and electropolymerization result in new and unprecedented stimuli-response control over several applied fields and magnitudes. In this talk, we will demonstrate superhydrophobic/superhydrophilic and super wetting control based on the use of nanostructured polymer and macromolecular layer-by-layer approaches combined with electropolymerization methods. By templating or biomimicry, it is possible to use hierarchical roughness control followed by reversible wetting behavior with an LCST limited grafted polymer hydrogel. We also report the use of electropolymerization methods to prepare superhydrophobic and oil-water separators based on the doping properties of the conducting polymers. These coatings have been shown to have superhydrophobic and super wetting properties with anti-corrosion properties in Carbon steel as well oil-water separation. The use of spray-coated hybrid polymer materials enables the preparation of robust superhydrophobic surfaces that are scratch-resistant. Lastly, we demonstrate that 3D printing is a viable method for obtaining these smart surfaces.

Superhydrophobic tunable coatings: From electropolymerization to 3D printing methods

ACS Fall 2021

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