The effect of aging tests on gloss and adhesion of lacquer coatings on window elements from pine wood

• Autorzy: Krystofiak T. , Lis B. , Muszyńska M. , Proszyk S.

Identyfikatory

DOI

10.12841/wood.1644-3985.C33.19

• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to investigate the formation of gloss and adhesion in accelerated thermal aging test selected lacquer systems formed on pine wood. Window elements were finished with lacquer systems, including impregnate, primer, and inter- and top lacquer layers in two colour versions white and cypress respectively. The range of investigations included gloss measurement and adhesion (pull-off method) of coatings to a substrate. Based on the contact angle, the values of surface free energy (γS), work of adhesion (Wa) and surface tension at the interface (γSL) were calculated, together with their dispersion and polar shares. On the basis of the experimental results it was stated among others, that tested finishing’s were characterized by a semi-gloss effect, which was stable under thermal aging cycles. The lacquer coatings showed good adhesion to the substrate. The values of the Wa parameter remained at a high level as well. In turn the γS parameter indicated the occurrence of strong adhesion interactions in the substrate and particular layers of the coating systems. Aging processes had no significant effect on the manner of the obtained relations.

Słowa kluczowe

EN

pinewood; window element; coating; aging test; gloss; contact angle; parameter of adhesion

• Wydawca: Sieć Badawcza Łukasiewicz - Poznański Instytut Technologiczny
• Czasopismo: Drewno : prace naukowe, doniesienia, komunikaty
• Rocznik: 2016
• Tom: vol. 59, nr 197
• Strony: 127--137
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Krystofiak T.

• Poznań University of Life Sciences, Poznan, Poland

autor

Lis B.

• Poznań University of Life Sciences, Poznan, Poland

autor

Muszyńska M.

• Poznań University of Life Sciences, Poznan, Poland

autor

Proszyk S.

• Poznań University of Life Sciences, Poznan, Poland

Bibliografia

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• List of standards
• PN-88/F-06100/07 Meble. Metody badań właściwości powłok lakierowych i laminowanych. Oznaczanie odporności na działanie zmiennych temperatur (Testing methods for the properties of lacqueres and decorative laminated surfaces. Variable temperature test)
• PN-EN ISO 4624: 2004 Farby i lakiery. Próba odrywania do oceny przyczepności (Paints and varnishes. Pull-off test for adhesion) (ISO 4624:2002)
• PN-EN 828:2000 Adhesives – Wettability – Determination by measurement of contact angle and critical surface tension of solid surface

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.