Effect of Water Repellents on Hygroscopicity and Dimensional Stability of Densified Fir and Aspen Woods

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dc.contributor.authorPelit, Hüseyin
dc.contributor.authorEmiroglu, Fatih
dc.date.accessioned2021-12-01T18:47:19Z
dc.date.available2021-12-01T18:47:19Z
dc.date.issued2020
dc.department[Belirlenecek]en_US
dc.description.abstractThis study investigated the effect of pre-impregnation with water-repellent agents on the hygroscopicity and dimensional stability of fir (Abies bornmulleriana Mattf) and aspen (Populus tremula L.) woods. After pre-vacuum treatment, the samples were impregnated at atmospheric pressure with paraffin, linseed oil and styrene, and then densified at compression rates of 20 % and 40 % at 120, 150 and 180 degrees C. The results showed that water repellents significantly affected the hygroscopicity and dimensional stability of the densified wood samples. Compression recovery rate (CRR), thickness swelling (TS), equilibrium moisture content (EMC), and water absorption (WA) values of the densified samples decreased with impregnation pretreatments. The linseed oil treatment gave more positive CRR and TS results than paraffin. Lower EA/IC and WA values were found in the paraffin-treated samples. However, the most successful results for all tested properties were determined in the styrene pretreated samples in which hygroscopicity decreased and dimensional stability increased (especially for aspen) due to increases in the compression rate and temperature related to densification conditions. In the styrene pretreated samples, the high temperature (180 degrees C) and compression rate (40 %) significantly reduced CRR, TS, EA/IC and WA, total dimensional stability was nearly achieved and the water repellent effectiveness was close to 100 %.en_US
dc.description.sponsorshipResearch Fund of Duzce UniversityDuzce University [BAP-2017.07.01.522]en_US
dc.description.sponsorshipThe authors are grateful for the support of the Research Fund of Duzce University, Grant. No. BAP-2017.07.01.522.en_US
dc.identifier.doi10.5552/drvind.2020.1901
dc.identifier.endpage40en_US
dc.identifier.issn0012-6772
dc.identifier.issn1847-1153
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85082478715en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage29en_US
dc.identifier.urihttps://doi.org/10.5552/drvind.2020.1901
dc.identifier.urihttps://hdl.handle.net/20.500.12684/10229
dc.identifier.volume71en_US
dc.identifier.wosWOS:000520850300004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherZagreb Univ, Fac Forestryen_US
dc.relation.ispartofDrvna Industrijaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectdensificationen_US
dc.subjectdimensional stabilityen_US
dc.subjecthygroscopicityen_US
dc.subjectimpregnationen_US
dc.subjectwater repellentsen_US
dc.subjectMechanical-Propertiesen_US
dc.subjectThermo-Hydroen_US
dc.subjectThermomechanical Densificationen_US
dc.subjectSurface Densificationen_US
dc.subjectChemical-Modificationen_US
dc.subjectPhysical-Propertiesen_US
dc.subjectHeat Posttreatmenten_US
dc.subjectUludag Firen_US
dc.subjectPine Wooden_US
dc.subjectCompressionen_US
dc.titleEffect of Water Repellents on Hygroscopicity and Dimensional Stability of Densified Fir and Aspen Woodsen_US
dc.typeArticleen_US

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