Surface coating performance of TiO2 nanoparticle-modified veneered panels and their influence on formaldehyde emission / Xiao Dong Zhu in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 14, N° 6 (11/2017)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 14, N° 6 (11/2017) . - p. 1271-1278 Titre : Surface coating performance of TiO2 nanoparticle-modified veneered panels and their influence on formaldehyde emission Type de document : texte imprimé Auteurs : Xiao Dong Zhu, Auteur ; Yu Liu, Auteur ; Li Zhao, Auteur Année de publication : 2017 Article en page(s) : p. 1271-1278 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Air intérieur -- Pollution Atmosphère -- Pollution -- Lutte contre Dioxyde de titane Formaldéhyde Nanoparticules Panneaux de fibres Polluants atmosphériques Polluants organiques Réduction des composés organiques volatils Vernis en phase aqueuse Index. décimale : 667.9 Revêtements et enduits Résumé : The physical and mechanical properties of wood and wood-based panels can be effectively improved by modification with nanoparticles. This paper focuses on effects of modifying veneer with titanium dioxide (TiO2) nanoparticles on the performance of a waterborne coating and formaldehyde emission. Commercial waterborne varnish was used to apply a surface finish on the modified veneered panels. Changes caused by TiO2 nanoparticle treatment that could affect the finishing performance were measured. The results showed slight increases in the weight and contact angle of the veneers treated with TiO2 nanoparticles, whereas the modified veneered panels after surface finishing presented improved hardness at high nanoparticle loadings. Modification of the veneers by nanoparticles had a minor negative influence on the coating glossiness and adhesion due to a blocking effect between the coating film and the modified veneers. Formaldehyde emissions were considerably reduced due to degradation by the TiO2 particles under UV-light irritation. Note de contenu : - MATERIALS AND METHODS : Materials - Determination of properties - RESULTS AND DISCUSSION : Effect of nanosized TiO2 particles on the weight percent gain and CA - Appearance of the nanocomposite veneers - Effect of nanoparticles on the surface coating properties - Formaldehyde emission DOI : 10.1007/s11998-017-9925-6 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-017-9925-6.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29627 [article]

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