The effect of different wood varnishes on surface color properties of heat treated wood materials

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dc.contributor.authorPelit, Hüseyin
dc.date.accessioned2020-04-30T23:32:54Z
dc.date.available2020-04-30T23:32:54Z
dc.date.issued2017
dc.departmentDÜ, Teknoloji Fakültesien_US
dc.descriptionWOS: 000410446300013en_US
dc.description.abstractThis study investigates the effects of different wood varnishes on the surface color properties of heat treated wood. Samples prepared from Oriental beech (Fagus orientalis L.) and Scots pine (Pinus sylvestris L.) are subjected to heat treatment at 190, 200, and 210 degrees C for 2 h. Sample surfaces are then covered with cellulosic (SZ), synthetic (ST), polyurethane (PU), and water-based (SB) wood varnishes, and the color properties of samples are determined according to the three-dimensional CIEL*a*b* color space. Results show a decrease in the L* and b* values of samples by 64% and 70%, respectively, depending on the process temperature after heat treatment. The a* value increases by up to 96% for Scots pine samples and up to 56% for beech samples. Color values of heat treated samples change significantly after varnish is applied; L* values of all samples are reduced compared to unvarnished samples and samples are seen to darken. However, the a* value of heat treated Scots pine samples increases significantly after varnishing, while that of heat-treated beech samples at high temperatures (200 and 210 degrees C) generally decreases. Nevertheless, the b* value decreases significantly in both wood species subjected to application of PU and ST varnishes, and the total color change (Delta E*) of varnished specimens is generally higher for samples heat-treated at 200 degrees C. Results show that ST varnish has the largest effect on color change and SB varnish has the smallest effect. The use of SB varnishes is thus preferable when it is necessary to preserve the color of samples from either species following heat treatment.en_US
dc.identifier.doi10.17099/jffiu.300010en_US
dc.identifier.endpage274en_US
dc.identifier.issn0535-8418
dc.identifier.issn1309-6257
dc.identifier.issue2en_US
dc.identifier.startpage262en_US
dc.identifier.urihttps://doi.org/10.17099/jffiu.300010
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4844
dc.identifier.volume67en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherIstanbul Univ, Fac Forestryen_US
dc.relation.ispartofJournal Of The Faculty Of Forestry-Istanbul Universityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectWood materialen_US
dc.subjectheat treatmenten_US
dc.subjectvarnish typeen_US
dc.subjectcolor changeen_US
dc.titleThe effect of different wood varnishes on surface color properties of heat treated wood materialsen_US
dc.typeArticleen_US

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