Amphiphilic siloxane-glycidyl carbamate coatings (AmpSiGC) coatings with surface properties of interest were prepared via combinations of polydimethylsiloxane (PDMS) and poly(ethylene glycol) (PEG). The designed experiment considered several factors: molecular weight of surface-modifying polymers and amounts of PDMS and PEG in a system. Although amphiphilic coatings have demonstrated promising results as marine coatings, investigations on their icephobic applications has been limited. This talk will discuss three aspects of the developed AmpSiGC systems: 1) Preparation of the incorporated ingredients and their characterization by Fourier transform infrared spectroscopy (FTIR) and epoxy titration; 2) Surface characterization of coatings via ATR (attenuated total reflectance)-FTIR, X-ray photoelectron spectroscopy (XPS), and atomic force microscopy (AFM); and 3) Ice-adhesion, electrochemical Impedance Spectroscopy (EIS), and mechanical property evaluation. Overall, the surface analysis indicated the presence of both hydrophobic and hydrophilic domains and most of the coatings demonstrated promising performance for anti-icing applications with desirable barrier and mechanical properties in comparison to controls.<br/>

Amphiphilicly-modified self-stratified siloxane-glycidyl carbamate coatings for anti-icing application

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.