Effect of Thermal Modification and Picture Varnish Application on Color Change of Scots Pine (Pinus Sylvestris L.) Wood

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dc.authorid0000-0003-4080-8816
dc.authorid0000-0002-6787-7822
dc.contributor.authorPeker, Huseyin
dc.contributor.authorAyata, Umit
dc.contributor.authorUlay, Goksel
dc.date.accessioned2026-02-28T12:18:21Z
dc.date.available2026-02-28T12:18:21Z
dc.date.issued2025
dc.departmentBayburt Üniversitesi
dc.description.abstractScots pine is one of the important tree species used by the wood processing industry in many countries for both interior and exterior applications. It is well known that thermal treatment alters the color of wood. To protect wood from outdoor environmental conditions, certain chemicals are applied to its surface. These protective chemicals also influence the color of thermally treated wood. In this study, the color-altering effect of picture varnish (refined linseed oil), commonly used as a protective chemical in the field of painting, was investigated on both thermally treated and untreated wood materials. Scots pine (Pinus sylvestris L.) wood samples were subjected to thermal treatment at 212 degrees C for 2 h. Following this, varnish made from refined linseed oil was applied to some of these samples and some untreated samples, with the remaining untreated samples used as controls. Color and whiteness index (WI*) values were analyzed on the resulting four different materials, and the results were compared. Analysis of variance showed significant effects for the factors of heat treatment, picture varnish application, and their interaction, on WI* (& boxV; and perpendicular to), a*, L*, ho, b*, and C* values. In the non-heat-treated samples, the application of varnish resulted in reductions in WI* values in both directions and in L* values, while increases were observed in ho, b*, C*, and a* values. Additionally, the application of varnish to the heat-treated samples resulted in an increase in a* values, while reductions were observed in WI* values in both directions, as well as in ho, L*, b*, and C* values. After heat treatment, the triangle E* value for Scots pine wood was calculated as 33.63. For both heat-treated and non-heat-treated samples, varnish application resulted in negative triangle L* values and positive triangle a* values. Additionally, triangle b* and triangle C* values were positive in the non-heat-treated and varnished samples, while they were negative in the heat-treated and varnished samples. The protective picture varnish used in the study significantly altered the color of both thermally treated and untreated wood.
dc.identifier.doi10.53502/wood-201974
dc.identifier.issn1644-3985
dc.identifier.issn2956-9141
dc.identifier.issue216
dc.identifier.scopus2-s2.0-105018200016
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://doi.org/10.53502/wood-201974
dc.identifier.urihttps://hdl.handle.net/20.500.12403/6217
dc.identifier.volume68
dc.identifier.wosWOS:001589566100011
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherLukasiewicz Research Network, Poznan Inst Technology
dc.relation.ispartofDrewno
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20260218
dc.subjectScots pine
dc.subjectheat treatment
dc.subjectPinus sylvestris L
dc.subjectwhiteness index
dc.subjectpicture varnish
dc.subjectcolor
dc.titleEffect of Thermal Modification and Picture Varnish Application on Color Change of Scots Pine (Pinus Sylvestris L.) Wood
dc.typeArticle

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