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Article

Durability of Superamphiphobic Polyester Fabrics in Simulated Aerodynamic Icing Conditions

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Airbus Central Research & Technology, Materials X, Willy-Messerschmitt-Str. 1, 82024 Taufkirchen, Germany
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Fachgebiet Strömungslehre und Aerodynamik, Technische Universität Darmstadt, Alarich-Weiss-Str. 10, 64287 Darmstadt, Germany
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Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands
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École Supérieure de Chimie Physique Électronique (CPE) de Lyon, Chimie génie des procédés, 43 boulevard du 11 Novembre 1918, 69100 Villeurbanne, France
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Institute für Fertigungstechnik, Technische Universität Dresden, George-Bähr-Str. 3c, 01069 Dresden, Germany
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Max-Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
*
Authors to whom correspondence should be addressed.
Coatings 2020, 10(11), 1058; https://doi.org/10.3390/coatings10111058
Received: 28 September 2020 / Revised: 28 October 2020 / Accepted: 28 October 2020 / Published: 2 November 2020
(This article belongs to the Special Issue Low Ice Adhesion Coatings)
Fabrics treated to repel water, superhydrophobic, and water and oil, superamphiphobic, have numerous industrial and consumer-level benefits. However, the liquid repellency decreases in the course of time. This is largely due to chemical or physical changes of the coating due to prolonged exposure to relatively harsh environments. To develop more durable fabric treatments for specific applications, it is necessary to measure the extent to which the treated fabrics retain their low-wettability after being subjected to controlled aggressive environmental conditions. In this study, plain weave fabrics made from polyester filaments and coated with silicone nanofilaments in-solution were exposed to aerodynamic icing conditions. The coated fabrics showed superhydrophobic behavior, or superamphiphobic for those that were fluorinated. The wettability of the fabrics was progressively evaluated by contact angle and roll-off-angle measurements. The coated fabrics were able to maintain their low-wettability characteristics after exposure to water droplet clouds at airspeeds up to 120 m/s, despite damage to the silicone nanofilaments, visible through scanning electron microscopy. View Full-Text
Keywords: superhydrophobicity; superamphiphobicity; aerospace; atmospheric icing; durability; ultra-light aircraft superhydrophobicity; superamphiphobicity; aerospace; atmospheric icing; durability; ultra-light aircraft
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MDPI and ACS Style

Laroche, A.; Ritzen, L.; Guillén, J.A.M.; Vercillo, V.; D’Acunzi, M.; Sharifi Aghili, A.; Hussong, J.; Vollmer, D.; Bonaccurso, E. Durability of Superamphiphobic Polyester Fabrics in Simulated Aerodynamic Icing Conditions. Coatings 2020, 10, 1058. https://doi.org/10.3390/coatings10111058

AMA Style

Laroche A, Ritzen L, Guillén JAM, Vercillo V, D’Acunzi M, Sharifi Aghili A, Hussong J, Vollmer D, Bonaccurso E. Durability of Superamphiphobic Polyester Fabrics in Simulated Aerodynamic Icing Conditions. Coatings. 2020; 10(11):1058. https://doi.org/10.3390/coatings10111058

Chicago/Turabian Style

Laroche, Alexandre, Linda Ritzen, Javier A.M. Guillén, Vittorio Vercillo, Maria D’Acunzi, Azadeh Sharifi Aghili, Jeanette Hussong, Doris Vollmer, and Elmar Bonaccurso. 2020. "Durability of Superamphiphobic Polyester Fabrics in Simulated Aerodynamic Icing Conditions" Coatings 10, no. 11: 1058. https://doi.org/10.3390/coatings10111058

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