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Dimensional stability and water repellency of european aspen improved by oxidized carbohydrates
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-7711-9267
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
2013 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 8, no 1, 487-498 p.Article in journal (Refereed) Published
Abstract [en]

Small samples from European aspen (Populus tremula L.) were impregnated with carbohydrates oxidized by Fenton’s reagent using water in a vacuum, followed by heating in an oven at 103°C. An antiswelling efficiency (ASE) of around 45% for wood treated with oxidized glucose and 35% for wood treated with oxidized sucrose was obtained. Samples treated with oxidized carbohydrates gave water repellent effectiveness (WRE) values over 35%. The decrease in cell wall thickness during impregnation was about 18% less in the presence of oxidized glucose than samples only treated with Fenton’s reagent. An ASE of 20% for the wood samples that had been treated with oxidized glucose was obtained after 7 days of soaking in water. The reasons for the improvement in dimensional stability are discussed in this work.

Place, publisher, year, edition, pages
2013. Vol. 8, no 1, 487-498 p.
National Category
Bio Materials
Research subject
Wood Physics
Identifiers
URN: urn:nbn:se:ltu:diva-9532Local ID: 82f3919a-d280-4cb6-8abd-f69eb96bc438OAI: oai:DiVA.org:ltu-9532DiVA: diva2:982470
Note
Validerad; 2013; 20130129 (sheahm)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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fulltext(660 kB)80 downloads
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http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_08_1_487_Yang_Dimensional_Stability_Water_Repellency_Aspen

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