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Dimensional Stability and Water Repellency of European Aspen Improved by Oxidized Carbohydrates.
Luleå University of Technology.
Luleå University of Technology.
Luleå University of Technology.
Luleå University of Technology.
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
University of North Carolina Press, 2013. Vol. 8, no 1, 487-498 p.
Keyword [en]
European aspen, Fenton's reagent, Water repellent effectiveness (WRE), Antiswelling efficiency (ASE), Oxidized carbohydrates, Water repellent effectiveness (WRE)
National Category
Other Materials Engineering
Research subject
Technology (byts ev till Engineering)
Identifiers
URN: urn:nbn:se:lnu:diva-46541OAI: oai:DiVA.org:lnu-46541DiVA: diva2:857472
Available from: 2015-09-29 Created: 2015-09-29 Last updated: 2015-10-16Bibliographically approved

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Ahmed, Sheikh Ali
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  • apa
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