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Nanocomposite wood coating film parameter stability after short term intensive UV+IR irradiation

Vitosytė J., Krystofiak T., Lis B., Ukvalbergienė K.

Drewno : prace naukowe, doniesienia, komunikaty

2018

vol. 61, nr 201

107--118

A study of the colour parameters, gloss retention, illuminance under glass plate and surface hardness of clear waterborne acrylic coating films containing inorganic nanoparticles during a UV+IR ageing test was carried out. Two different coating mixtures with CeO2 and ZnO nanoparticles (5%) were prepared and applied on clear glass plates. Intensive UV+IR irradiation of samples of film coatings was divided into 6 cycles and performed for 30 hours in total. It was found that inorganic nanoparticles had a significant impact on the overall colour stability of the coating films as well as on the coating gloss retention. Inorganic nanoparticles influenced the transparency properties and the coating film surface hardness.