Comparative studies of varying characteristics of wood surfaces after exposure to natural climate and accelerated aging
Journal Title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW - Year 2015, Vol 91, Issue
Abstract
Comparative studies of varying characteristics of wood surfaces after exposure to natural climate and accelerated aging. Tests were conducted on predetermined elements of coated pinewood samples before and after accelerated aging and after 18, 54, 78, 114 and 136 months of exposure to natural climate. The samples were tested for changes in colour, development of blistering, flaking and changes in gloss. The results have shown that only differences in the yellowish and gloss were noticed. The gain in yellowish tinge was three times greater, after 18 months, than in those samples which underwent accelerated aging and 8 times greater after 136 months. The prolonged exposure to natural climate made the effect of the impregnation of the samples clear to see. It was seen that the gloss of the finish was lower after 18 months than originally, but then after 54 months the finish regained some of its glossiness which then again fell after 78. After 114 and 136 months degree of glossiness was stabilized. It was also observed that using an impregnate on the wood before finishing it had no clear effect on the change in gloss after either trial period.
Authors and Affiliations
Piotr Beer, MAREK GRZEŚKIEWICZ, ANDRZEJ KĘDZIERSKI, ANNA POLICIŃSKA-SERWA
Keywords
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