Facile fabrication of durable superhydrophobic SiO2/polyacrylate composite coatings with low nanoparticle filling / Yanfen Huang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 5 (09/2020)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 5 (09/2020) . - p. 1289-1295 Titre : Facile fabrication of durable superhydrophobic SiO2/polyacrylate composite coatings with low nanoparticle filling Type de document : texte imprimé Auteurs : Yanfen Huang, Auteur ; Bin Chen, Auteur ; Zaosheng Lv, Auteur ; Fen Guo, Auteur Année de publication : 2020 Article en page(s) : p. 1289-1295 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Adhésion Caractérisation Copolymères -- Synthèse Copolymères acrylates fluorés Dioxyde de silicium Fluoropolymères Hydrophobie Matériaux hybrides Nanoparticules Polyacrylates Revêtement auto-nettoyant Revêtements -- Propriétés mécaniques Revêtements organiques Stabilité thermique Index. décimale : 667.9 Revêtements et enduits Résumé : This study aimed to prepare superhydrophobic coatings that could be used for practical applications. Nanocomposites of polyacrylate containing silica nanoparticles were prepared by dispersing silica sol in a polyacrylate solution. Superhydrophobicity was attainable for nanocomposite coatings with a filler percentage of only 15 wt%. Reducing the loading of silica nanoparticles not only minimized the costs but also simplified the preparation. The superhydrophobic coatings with water contact angle as high as 155.4° and contact angle hysteresis of 5.6° exhibited good self-cleaning property. The superhydrophobic nanocomposite coatings also displayed good mechanical properties and excellent thermal stabilities that favor indoor and outdoor applications. The superhydrophobic nanocomposite coatings can be used on various substrate surfaces, including glass plates, polymethyl methacrylate plates, polycarbonate plates, and aluminum sheets. Given their large-scale and low-cost fabrication, superhydrophobic coatings show great promise in practical applications in a broad range of fields. Note de contenu : - EXPERIMENTAL : Materials - Synthesis of fluorinated acrylate copolymers - Preparation of coatings - Characterization - RESULTS AND DISCUSSION : Hydrophobicity of the coatings - Surface morphological features of as-prepared coatings - Thermal stability properties of as-prepared coatings - Mechanical properties of as-prepared coatings DOI : https://doi.org/10.1007/s11998-020-00347-y En ligne : https://link.springer.com/content/pdf/10.1007/s11998-020-00347-y.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34574 [article]

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