Effects of catalysts on modulus of rupture and chemical structure of heat-treated wood

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dc.authoridAyrilmis, Nadir -- 0000-0002-9991-4800; ozbay, gunay -- 0000-0002-7951-8421
dc.contributor.authorÖzçifçi, Ayhan
dc.contributor.authorKökten, Erkan Sami
dc.contributor.authorAyrılmış, Nadir
dc.contributor.authorÖzbay, Günay
dc.contributor.authorAltun, Suat
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T09:17:30Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T09:17:30Z
dc.date.issued2018
dc.departmentMühendislik Fakültesi
dc.description.abstractHeat treatment process, which is widely used in the wood industry, has shown some negative effects on the mechanical strength of wood. The objective of this study was to investigate the effects of catalysts on the modulus of rupture (MOR), mass loss and chemical structure of heat-treated Scotch pine (Pinus sylvestris L.) samples. For this purpose, some catalysts (50 % NaOH and 47 % KOH solutions, solid KOH) were added to the heat treatment process. Heat treatment experiments were performed under the nitrogen atmosphere at the temperature of 212 degrees C for 2 h. The MOR and chemical changes monitored by FT-IR spectra were then examined for the test groups. According to the results of this study, the use of commercial solid potassium hydroxide (KOH) in heat treatment decreased the degree of strength loss and mass loss of heat-treated wood. The strength (MOR) loss of samples heat-treated in the presence of potassium hydroxide was found to be only 5.4 %, while the strength loss in non-catalytic treatment was found to be 12.5 %.
dc.description.sponsorshipTUBITAK (The Scientifi c and Technological Research Council of Turkey) [114O036]
dc.description.sponsorshipThis study was supported by TUBITAK (The Scientifi c and Technological Research Council of Turkey) (Project grant number: 114O036).
dc.identifier.doi10.5552/drind.2018.1717
dc.identifier.endpage213en_US
dc.identifier.issn0012-6772
dc.identifier.issn1847-1153
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ2
dc.identifier.startpage207en_US
dc.identifier.urihttps://doi.org/10.5552/drind.2018.1717
dc.identifier.urihttps://hdl.handle.net/20.500.12451/4758
dc.identifier.volume69en_US
dc.identifier.wosWOS:000446345200001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherJournal Drvna Industrija
dc.relation.ispartofDrvna Industrija
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectHeat Treatment
dc.subjectScotch Pine
dc.subjectMechanical Strength
dc.subjectCatalyst
dc.subjectChemical Properties
dc.titleEffects of catalysts on modulus of rupture and chemical structure of heat-treated wood
dc.typeArticle

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