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Journal of Coatings Technology and Research
Erschienen in: Journal of Coatings Technology and Research 5/2018

12.03.2018

Fabrication and properties of polysilsesquioxane-based trilayer core–shell structure latex coatings with fluorinated polyacrylate and silica nanocomposite as the shell layer

verfasst von: Jiawei Li, Shenjie Zhong, Zhengyi Chen, Xiaojie Yan, Weixiang Li, Lingmin Yi

Erschienen in: Journal of Coatings Technology and Research | Ausgabe 5/2018

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Abstract

Polysilsesquioxanes (PSQ)-based core–shell fluorinated polyacrylate/silica hybrid latex coatings were synthesized with PSQ latex particles as the seeds, and methyl methacrylate, butyl acrylate, 3-(trimethoxysilyl) propyl methacrylate (MPS)-modified SiO2 nanoparticles (NPs), 1H,1H,2H,2H-perfluorooctyl methacrylate (PFOMA) as the shell monomers by emulsifier-free miniemulsion polymerization. The results of Fourier transform IR spectroscopy, transmission electron microscopy, and dynamic light scattering suggested the obtained hybrid particles emerged with trilayer core–shell pattern. Contact angle analysis, x-ray photoelectron spectroscopy, and atom force microscopy results indicated that the hybrid film containing SiO2 NPs showed higher hydrophobicity, lower surface free energy and water absorption, in comparison with the control system (without SiO2 NPs). Compared with the control system, the hybrid latex film containing SiO2 NPs in the fluorinated polyacrylate shell layer showed the higher content of fluorine atoms and a rougher morphology on the film surface. Additionally, thermogravimetric analysis demonstrated the enhanced thermostability of PSQ-based nanosilica composite fluorinated polyacrylate latex film.
Vorheriger Artikel Effect of upstream meniscus shape on dynamic wetting and operating limits of Newtonian coating liquids in slot coating bead flows
Nächster Artikel Pretreatment effect of the pure titanium surface on hybrid coating adhesion based on tetraethoxysilane and methyltriethoxysilane

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Metadaten
Titel
Fabrication and properties of polysilsesquioxane-based trilayer core–shell structure latex coatings with fluorinated polyacrylate and silica nanocomposite as the shell layer
verfasst von
Jiawei Li
Shenjie Zhong
Zhengyi Chen
Xiaojie Yan
Weixiang Li
Lingmin Yi
Publikationsdatum
12.03.2018
Verlag
Springer US
Erschienen in
Journal of Coatings Technology and Research / Ausgabe 5/2018
Print ISSN: 1547-0091
Elektronische ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-018-0044-9

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