Effect of fabric texture on the durability of fluorine-free superhydrophobic coatings / Nusret Celik in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 3 (05-06/2020)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 3 (05-06/2020) . - p. 785-796 Titre : Effect of fabric texture on the durability of fluorine-free superhydrophobic coatings Type de document : texte imprimé Auteurs : Nusret Celik, Auteur ; Sümeyye Altindal, Auteur ; Zehra Gozutok, Auteur ; Mahmut Ruzi, Auteur ; M. Serdar Onses, Auteur Année de publication : 2020 Article en page(s) : p. 785-796 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Auto-nettoyage Caractérisation Dioxyde de silicium Durée de vie (Ingénierie) Enrobage (technologie) Essais accélérés (technologie) Hydrophobie Imperméabilisation Nanoparticules Revêtements -- Propriétés mécaniques Textiles et tissus Index. décimale : 667.9 Revêtements et enduits Résumé : Water repellency is a desired feature of fabrics for certain applications in textile industry such as water-repellent garments, tents, and umbrellas. Coating of fabrics with fluorocarbons or silicones followed by heat treatment is the general process to impart hydrophobicity even though the resulted water repellency is limited. In this study, we prepare a fluorine-free superhydrophobic coating from hydrophobic SiO2 nanoparticles that can be easily applied to common fabrics by simply spray coating, leading to superhydrophobic fabrics with a water contact angle of 172° and a sliding angle of 3°. The process to achieve extreme water repellency is simple and only involves a single step, and there is no need for further processes like annealing or heat treatment. The superhydrophobic coated fabrics display durability dependence on the texture of the underlying material, where coated chenille and nonwoven fabrics show robust mechanical durability against water impact, abrasion, and laundering. The ready availability of the coating materials, the simple process of application, and the robust mechanical durability of superhydrophobic fabrics show great potential for real-world applications. Note de contenu : - MATERIALS AND METHODS : Preparation and deposition of the superhydrophobic coating - Characterization - Durability tests of the coated superhydrophobic fabrics - RESULTS AND DISCUSSIONS : Characterization - Mechanical durability - Potential applications DOI : https://doi.org/10.1007/s11998-020-00333-4 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00333-4.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34108 [article]

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