Determination of the wettability of European lime wood (Tilia cordata Mill.) as sculptures and painting supports material
Journal Title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW - Year 2016, Vol 93, Issue
Abstract
Determination of the wettability of European lime wood (Tilia cordata Mill.) as sculptures and painting supports material. European lime wood, which is the subject of the research, is used in Europe principally for making sculptures, frames and painting supports. In this paper, the wettability of European lime wood has been determined by measuring the contact angle of wood wetted with water and diiodomethane, using the sessile drop method. Surface tension, wetting energy and work of adhesion for the wood - water and wood - diiodomethane structures have been marked. Surface free energy of the tested wood species was determined in accordance with the Owens - Wendt method. The course of wetting the wood with polar liquid, i.e. water, showed considerable dynamics. After 60 s from placing a water drop on the lime wood surface the contact angle decreased by 70%. When the wood was wetted with diiodomethane, however, the contact angle decreased by 30%. The dominant component, which was also more variable in time, was the energy which originated from the polar liquid (water).
Authors and Affiliations
Paweł Kozakiewicz, Agnieszka Kurowska
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