Role of extractives on the weathering of tropical and temperate wood species in two above-ground fields: coastal or terrestrial

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dc.contributor.authorErmeydan, Mahmut A.
dc.contributor.authorDizman, Riza
dc.contributor.authorTomak, Eylem D.
dc.contributor.authorCan, Ahmet
dc.date.accessioned2026-02-08T15:15:32Z
dc.date.available2026-02-08T15:15:32Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThe effect of heartwood extractives on natural weathering of 5 temperate (juniper, walnut, oak, pseudoacacia, and chestnut) and 9 tropical (wenge, teak, iroko, dahoma, moabi, okan, padauk, ipe, and tatajuba) wood species against abiotic degrading agents at two sites was investigated. Wood species were exposed to three-stage extraction, then extracted and un-extracted samples were exposed outdoors for 12 months in two above-ground test sites, coastal or terrestrial. Samples were evaluated regarding moisture content, color change, surface roughness, and surface chemistry (ATR-FTIR) at 1, 3, 6, and 12 months of exposure. Results indicate that roughness and color change increased as the exposure time increased. Among the temperate species, the least rough surfaces were found in juniper, while iroko, ipe, and wenge were for tropical species. The location did not statistically affect roughness. Temperate species generally showed rougher surfaces than tropical species. The remarkable color change occurred in the first 3 months in temperate wood species and between 3 and 6 months in extractive-rich tropical wood species. The highest color change was seen in samples extracted and exposed on the terrestrial test site, while the lowest was in un-extracted samples exposed on the coast. Padauk had the most color change, while moabi had the least. The surfaces of temperate species showed darkening while the surfaces of tropical species showed lightening during the weathering exposure. FTIR studies confirmed that the change in the surface chemistry of temperate species mostly occurs in the first month, while surface degradation of some tropical species can take up to 3 months.
dc.description.sponsorshipBursa Technical University, Scientific Research Project Coordinatorship [220Y027]
dc.description.sponsorshipThis work was supported by the Bursa Technical University, Scientific Research Project Coordinatorship (Project number: 220Y027).
dc.identifier.doi10.1080/02773813.2024.2416655
dc.identifier.endpage390
dc.identifier.issn0277-3813
dc.identifier.issn1532-2319
dc.identifier.issue6
dc.identifier.scopus2-s2.0-85206911639
dc.identifier.scopusqualityQ3
dc.identifier.startpage377
dc.identifier.urihttps://doi.org/10.1080/02773813.2024.2416655
dc.identifier.urihttps://hdl.handle.net/20.500.12885/5834
dc.identifier.volume44
dc.identifier.wosWOS:001337878200001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Inc
dc.relation.ispartofJournal of Wood Chemistry and Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectPhotodegradation
dc.subjectcolor change
dc.subjectextractives
dc.subjectroughness
dc.subjectabiotic factors
dc.subjectcoastal & terrestrial
dc.titleRole of extractives on the weathering of tropical and temperate wood species in two above-ground fields: coastal or terrestrial
dc.typeArticle

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