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Títol: Nanocharacterization techniques for investigating the durability of wood coatings
Autor: Vlad Cristea, Mirela
Riedl, Bernard
Blanchet, Pierre
Jiménez Piqué, Emilio
Altres autors/autores: Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. CIEFMA - Centre d'Integritat Estructural i Fiabilitat dels Materials
Matèries: Àrees temàtiques de la UPC::Enginyeria dels materials
Nanocomposites (Materials)
Exterior wood coatings
Nanocomposite coatings
Nanosized UV-absorbers
UV resistance
Atomic force microscopy
Nanocompòsits (Materials)
Tipus de document: Article
Descripció: Nanocharacterization techniques such as nanoindentation and atomic force microscopy were used to investigate the exterior durability of waterborne coatings improved with inorganic nanosized UV-absorbers. Nanocomposite coatings for exterior uses of wood were formulated with different type of nanoparticles and their performance was evaluated trough artificial aging. Nanoindentation in continuous stiffness mode was used to demonstrate the changes of hardness and Young’s modulus of the coatings after accelerated weathering. The degradation mechanism of the surface coatings was investigated with atomic force microscopy that has provided valuable information on the morphological and microstructural changes of the surface coatings with the artificial aging. Additionally, the glass transition temperature and optical appearance changes were reported. The results obtained have shown that the nanoindentation technique in conjunction with atomic force microscopy can be satisfactorily used for durability investigation and service life prediction of nanocomposite coatings for wood.
Peer Reviewed
Postprint (published version)
Altres identificadors i accés: Vlad, M. [et al.]. Nanocharacterization techniques for investigating the durability of wood coatings. "European polymer journal", Març 2012, vol. 48, núm. 3, p. 441-453.
Disponible al dipòsit:E-prints UPC

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