Electrothermal superhydrophobic epoxy nanocomposite coating for anti-icing/deicing / Jiayu Fan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 5 (09/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 5 (09/2023) . - p. 1557-1568 Titre : Electrothermal superhydrophobic epoxy nanocomposite coating for anti-icing/deicing Type de document : texte imprimé Auteurs : Jiayu Fan, Auteur ; Zhu Long, Auteur ; Jin Wu, Auteur ; Peng Gao, Auteur ; Yun Wu, Auteur ; Pengxiang Si, Auteur ; Dan Zhang, Auteur Année de publication : 2023 Article en page(s) : p. 1557-1568 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Argent Cuivre Dioxyde de silicium Electrothermie Epoxydes Formulation (Génie chimique) Hexadécyltriméthoxysilane Hydrophobie Matériaux hybrides Nanoparticules Nanotubes de carbone à parois multiples Un nanotube de carbone multifeuillet est constitué de plusieurs feuillets de graphènes enroulés les uns autour des autres. Il existe deux modèles pour décrire la structure des nanotubes multifeuillets : - le modèle poupée russe: les plans de graphène sont arrangés en cylindres concentriques ; - le modèle parchemin: un seul feuillet de graphène est enroulé sur lui-même, comme une feuille de papier. Revêtements antigel Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Wind power, as a new type of green energy, can be converted into electric energy through wind turbines. However, the extremely cold and harsh weather makes the blade surface easy to freeze, which seriously affects the capacity of wind power. In this study, a bilayer epoxy-based nanocomposite coating that consists of an electrothermal and superhydrophobic layer has been developed for anti-icing/deicing. The electrothermal layer consists of epoxy/silver-coated copper (Ag–Cu) and epoxy/multi-walled carbon nanotubes (MWCNTs) nanocomposites. Epoxy/Ag–Cu coating showed high electrical conductivity, which can quickly generate heat under voltage. Epoxy/MWCNTs coating exhibited high thermal conductivity, which conducts heat to the whole surface. The superhydrophobic layer was fabricated by epoxy/SiO2/hexadecyltrimethoxysilane (HDTMS) nanocomposite, which covered the top of electrothermal layer. The designed bilayer epoxy nanocomposite coating displayed electrical power consumption (0.2 W), super hydrophobicity (static and dynamic water contact angle of 156.3° and 3°, respectively), low ice adhesion (0.01 MPa), long icing time (312 s), short deicing time (41 s), and good wear, acid, alkali, and salt resistance, making it promising for industrial application on wind turbine blades. Note de contenu : - EXPERIMENTAL SECTION : Materials - Preparation of electrothermal layer-electric heating coating - Preparation of electrothermal layer-heat transfer coating - Preparation of superhydrophobic coating - Characterization methods - RESULTS AND DISCUSSION : Electrothermal layer of anti-icing/deicing coating - Superhydrophobic layer of anti-icing/deicing coating - Anti-icing/deicing property of the coating - Table 1 : Electric heating coating sample formula - Table 2 : Heat transfer coating sample formula - Table 3 : Superhydrophobic coating sample formula - Table 4 : Comparison table of the properties of the electrothermal superhydrophobic coatings for anti-icing/deicing DOI : https://doi.org/10.1007/s11998-023-00762-x En ligne : https://link.springer.com/content/pdf/10.1007/s11998-023-00762-x.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39971 [article]

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Reactive compounding reduces sagging effects / Christian Bonten in KUNSTSTOFFE INTERNATIONAL, Vol. 101, N° 9 (09/2011)

[article]  inKUNSTSTOFFE INTERNATIONAL > Vol. 101, N° 9 (09/2011) . - p. 30-34 Titre : Reactive compounding reduces sagging effects Type de document : texte imprimé Auteurs : Christian Bonten, Auteur ; Dan Zhang, Auteur Année de publication : 2011 Article en page(s) : p. 30-34 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Compoundage Extrusion réactive Matières plastiques -- Extrusion Polyamide 66 Rhéologie Tubes Index. décimale : 668.4 Plastiques, vinyles Résumé : Thick-walled Semi-finished Products - With a new and cost-effective method, thick-walled pipe profiles can be made of low-viscous PA66 without “sagging” on conventional extrusion production lines. The viscosity of the low-viscous PA66 can be increased by reactive compounding. Note de contenu : - Reactive compouding step - Chemical reactions - Rheological characterization - Mechanical characterization - Extrusion of thick-walled pipe profiles Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15022 [article]

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Recent progress of zeolitic imidazolate frameworks (ZIFs) in superhydrophobic and anticorrosive coatings for metals and their alloys / Dan Zhang in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 4 (07/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 4 (07/2023) . - p. 1157-1177 Titre : Recent progress of zeolitic imidazolate frameworks (ZIFs) in superhydrophobic and anticorrosive coatings for metals and their alloys Type de document : texte imprimé Auteurs : Dan Zhang, Auteur ; Linming Xiao, Auteur ; Gaodian Xiong, Auteur ; Zengxi Pan, Auteur ; Guohong Ma, Auteur Année de publication : 2023 Article en page(s) : p. 1157-1177 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs Anticorrosion Hydrophobie Imidazolates de zéolite Métaux -- Revêtements protecteurs Mouillabilité Polymères Revêtements organiques Index. décimale : 667.9 Revêtements et enduits Résumé : Metal-organic frameworks (MOFs) have gained interest in recent years for anticorrosion applications owing to their inimitable structures and excellent properties. As a prominent subclass of MOFs, zeolite imidazolate frameworks (ZIFs) exhibited hydrophobicity, corrosion inhibition, and positive water stability, making them frequently appear in the field of metallic anticorrosion. This review presents the establishment and development of a theoretical model for superhydrophobicity, followed by the reported applications of different kinds of ZIFs in the field of metallic anticorrosion with particular emphasis on ZIF-8, which is the most extensively researched structure among ZIFs. In addition, the applications of superhydrophobic coatings in many aspects other than anticorrosion are also summarized. Finally, the existing challenging problems and future development trends of this kind of coating are discussed. It is hoped that this review will contribute to further development in the field of superhydrophobic anticorrosion coatings for metallic materials. Note de contenu : - WETTABILITY THEORY : - Young’s equation - Wenzel’s equation - Cassie–Baxter’s Model - APPLICATION OF ZIF-8 COMPOSITES : - Improvement of superhydrophobic and anticorrosion properties for metallic materials - Other application of ZIF-8 composites - APPLICATION OF OTHER ZIFS (EXCEPT ZIF-8) COMPOSITES IN SUPERHYDROPHOBIC/ANTICORROSION OF METALLIC MATERIALS - Table 1 : Detailed data of ZIF-8 modified with low surface energy in superhydrophobic corrosion protection of metallic materials - Table 2 : Detailed data of ZIFs application in superhydrophobic/anticorrosion DOI : https://doi.org/10.1007/s11998-023-00769-4 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-023-00769-4.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39708 [article]

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