Effects of Thermal Modification of Oak Wood Upon Selected Properties Of Coating Systems

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dc.contributor.authorGürleyen, Levent
dc.contributor.authorAyata, Ümit
dc.contributor.authorEsteves, Bruno
dc.contributor.authorGürleyen, Tugba
dc.contributor.authorÇakıcıer, Nevzat
dc.date.accessioned2020-05-01T09:12:04Z
dc.date.available2020-05-01T09:12:04Z
dc.date.issued2019
dc.departmentDÜ, Düzce Meslek Yüksekokulu, Malzeme ve Malzeme İşleme Teknolojileri Bölümüen_US
dc.descriptionEsteves, Bruno/0000-0001-6660-3128; ayata, umit/0000-0002-6787-7822en_US
dc.descriptionWOS: 000459494400128en_US
dc.description.abstractIn the last few years there has been an increased demand to change the natural color of valuable hardwoods without chemicals for use mainly in indoor parquet floors. In this study, wood samples from oak (Quercus petraea L.), one of the most used species for parquet, were heat treated (ThermoWood method) at 190 degrees C for 2 h and at 212 degrees C for 1 and 2 h. Untreated and heat treated wood surfaces were coated following two different applications: type 1, with a single layer of sealer (50 g/m(2)) and type 2 with two layers (35 g/m(2)) using a nanolacke varnishing system. The objective of this study was to investigate surface properties including adhesion, glossiness, pendulum hardness, and color (L*, a*, b*,Delta E*,Delta L*, Delta a*, and Delta b*). With heat treatment the lightness decreases, and its decrease is higher for higher temperatures and treatment times. Type 2 coated wood presented a slightly lower lightness decrease. The experiment showed a slight increase followed by a decrease in redness (lower a*) and a clear decrease in the yellow tone (b*). The total color variation increased with the intensity of the treatment, while the glossiness decreased (more for Type 1 coated wood). The adhesion strength and surface hardness decreased with the heat treatment in both the Type 1 and Type 2 coated wood samples. The decrease in adhesion was higher for Type 2, reaching 67%, while the decrease in surface hardness reached about 18%.en_US
dc.identifier.doi10.15376/biores.14.1.1838-1849en_US
dc.identifier.endpage1849en_US
dc.identifier.issn1930-2126
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage1838en_US
dc.identifier.urihttps://doi.org/10.15376/biores.14.1.1838-1849
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5867
dc.identifier.volume14en_US
dc.identifier.wosWOS:000459494400128en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherNorth Carolina State Univ Dept Wood & Paper Scien_US
dc.relation.ispartofBioresourcesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectParqueten_US
dc.subjectHeat treatmenten_US
dc.subjectOaken_US
dc.subjectGlossinessen_US
dc.subjectColoren_US
dc.subjectAdhesionen_US
dc.titleEffects of Thermal Modification of Oak Wood Upon Selected Properties Of Coating Systemsen_US
dc.typeArticleen_US

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