Synthesis of fluorinated polycarbonate-based polyurethane acrylate for UV-curable coatings / Jingcheng Liu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 1 (01/2017)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 14, N° 1 (01/2017) . - p. 233–241 Titre : Synthesis of fluorinated polycarbonate-based polyurethane acrylate for UV-curable coatings Type de document : texte imprimé Auteurs : Jingcheng Liu, Auteur ; Baoqing Wang, Auteur ; Yan Yuan, Auteur ; Ren Liu, Auteur ; Zhiquan Li, Auteur ; Xiaoya Liu, Auteur Année de publication : 2017 Article en page(s) : p. 233–241 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Copolymère uréthane acrylate Fluoropolymères Hydrophobie Polycarbonates Polymères -- Synthèse Revêtements -- Séchage sous rayonnement ultraviolet:Peinture -- Séchage sous rayonnement ultraviolet Index. décimale : 667.9 Revêtements et enduits Résumé : Fluorinated polycarbonate-based UV-curable polyurethane acrylate (F-PCUA) was synthesized by incorporating 1H, 1H, 2H, 2H-Perfluoro-1-octanol to the end of polycarbonate-based PUA chains. The structure of F-PCUA was determined by 1H-NMR, 19F-NMR, and FTIR analyses. The physical, surface, and thermal properties of F-PCUA were also examined. The F-PCUA was used as a hydrophobic additive in PUA coatings, and the water and oil wettability of the UV-cured film was investigated by contact angle measurements. The results showed that the coating system had great hydrophobicity. Furthermore, X-ray photoelectron spectroscopy research confirmed that a hydrophobic fluorine-enriched surface was obtained in the coating system. Moreover, the mechanical and chemical properties of the hydrophobic coatings did not show deterioration with the introduction of elemental F. Note de contenu : - EXPERIMENTAL : Synthesis of fluorinated PCDL-based PUA (F-CPUA) - Preparation of F-CPUA films - Preparation of hydrophobic PUA Coatings - RESULTS AND DISCUSSION : FTIR - 1H-NMR and 19F-NMR - Tensile strenght - Thermogravimetric analysis (TGA) - Contact angle - Surface-free energy - X-ray photoelectron analysis (XPS) - Coating performance DOI : 10.1007/s11998-016-9847-8 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-016-9847-8.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=27805 [article]

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