Natural weathering of spruce wood chemically modified by re-used ?-caprolactone solution

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dc.authorid0000-0001-6389-2649
dc.authorid0000-0001-5456-6454
dc.contributor.authorCambazoglu, Merve
dc.contributor.authorTomak, Eylem D.
dc.contributor.authorErmeydan, Mahmut A.
dc.date.accessioned2026-02-12T21:05:23Z
dc.date.available2026-02-12T21:05:23Z
dc.date.issued2023
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractIncreasing environmental pressures over the last few years have led to attention for non-biocide treatments in the wood protection field. The epsilon-caprolactone modification of wood by substitution or blocking of hydroxyl groups with hydrophobic poly(epsilon-caprolactone) (PCL) is one of the novel modification methods developed in recent years. In this study, ring-opening polymerisation of epsilon-caprolactone in wood cell walls was evaluated by the third and sixth re-use of recovered monomer and by oven-curing method. Spruce samples were modified by re-used epsilon-caprolactone and exposed to the natural weathering agents for 12 months. After weathering, the colour change, surface roughness measurements, and macroscopic and ultra-microscopic observations revealed that the modified wood had better surface properties than reference wood. Fourier-transform infrared (FTIR) analysis proved that PCL could be found on the weathered surface up to the sixth month, but very little amount was detected on the surfaces with a longer weathering period. The results clearly showed that the efficiency of PCL modification with re-use of the monomer solution was sufficient during the initial weathering periods, but efficiency was reduced after a prolonged exposure period.
dc.identifier.doi10.1111/cote.12645
dc.identifier.endpage275
dc.identifier.issn1472-3581
dc.identifier.issn1478-4408
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85139940834
dc.identifier.scopusqualityQ2
dc.identifier.startpage265
dc.identifier.urihttps://doi.org/10.1111/cote.12645
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6940
dc.identifier.volume139
dc.identifier.wosWOS:000868562200001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofColoration Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260212
dc.subjectRing-Opening Polymerization
dc.subjectDimensional Stability
dc.subjectConversion
dc.subjectBiomass
dc.titleNatural weathering of spruce wood chemically modified by re-used ?-caprolactone solution
dc.typeArticle

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