The effect of natural weathering on change in the color of heat treated and varnished scots pine and oriental beech woods
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CitationKart, S., Baysal, E., Turkoglu, T., Kucuktuvek, M., Peker, H., Altay, C., & Toker, H. (2018). The effect of natural weathering on change in the color of heat treated and varnished scots pine and oriental beech woods. 63(3), 771-782
This study was designed to investigate color changes of heat treated and varnished Scots pine (Pinus sylvestris L.) and Oriental beech (Fagus orientalis L.) after 3 months of weathering. Heat treatment of Oriental beech and Scots pine wood was carried out by hot air in an oven for 1, 2, and 3 hours at 205, 215, and 225 degrees C. After heat treatment, wood specimens were varnished using a polyurethane varnish (PV) and cellulosic varnish (CV). The results of study showed that heat treatment generally caused decrease of lightness of both wood specimens before weathering. In general, while heated and PV coated Scots pine and Oriental beech wood surfaces turned to reddish and yellowish, heated and CV coated Scots pine and Oriental beech wood surfaces turned to reddish and bluish after weathering. The total color changes of heated and varnished both wood specimens were lower than only varnished both wood specimens after weathering.