Izvorni znanstveni članak

https://doi.org/10.5552/drvind.2020.1923

Improving Weathering Performance of Wood by Borates Impregnation and Liquid Glass Coating

Mustafa Kucuktuvek ; Antalya Bilim University, Faculty of Fine Arts and Architecture, Department of Interior Architecture and Environmental Design, Antalya, Turkey
Hilmi Toker ; Mugla Sitki Kocman University, Faculty of Technology, Department of Wood Science and Technology, Mugla, Turkey
Turkay Turkoglu ; Mugla Sitki Kocman University, Koycegiz Vocational School, Department of Forestry, Mugla, Turkey
Ahmet Gunduz ; Mugla Sitki Kocman University, Faculty of Technology, Department of Wood Science and Technology, Mugla, Turkey
Caglar Altay ; Adnan Menderes University, Aydin Vocational School, Department of Furniture and Decoration, Central Campus, Aydin, Turkey
Ergun Baysal ; Mugla Sitki Kocman University, Faculty of Technology, Department of Wood Science and Technology, Mugla, Turkey

Sažetak

Weathering performance of impregnated and coated wood products is an important issue that influences their appearance as well as their service life after outdoor or indoor exposure. A novel procedure to improve the weathering performance of Scots pine wood (Pinus sylvestris L.) is proposed in this study. Wood samples were impregnated with ammonium tetrafluoroborate (ATFB), ammonium pentaborate (APB) and boric acid (BA), and afterward coated with a layer of liquid glass (LG). Surface hardness, color changes, and surface roughness of wood samples were investigated after 250 h and 500 h of exposure to artificial weathering. The results revealed that, except for untreated (control), all other treatment groups caused an increase in surface hardness of Scots pine after weathering. A decrease in the CIE L* value corresponds to the darkening of samples after weathering. Borates-impregnated and LG-coated Scots pine samples possessed the highest color stability. However, all treatment combinations resulted in reddish and yellowish tones after weathering. Exposure to weathering increased surface roughness of wood samples. The surface roughness of the untreated (control) group was higher than that of impregnated and coated samples.

Ključne riječi

weathering; boron compounds; liquid glass; wood coating; surface characteristics; building material

Hrčak ID:

244168

URI

https://hrcak.srce.hr/244168

Datum izdavanja:

24.9.2020.

Podaci na drugim jezicima: hrvatski

Posjeta: 2.073 *