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Wettability of acetylated Southern yellow pine
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Materials.ORCID iD: 0000-0002-9156-3161
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Materials.ORCID iD: 0000-0001-7014-6230
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2013 (English)In: International Wood Products Journal, ISSN 2042-6445, Vol. 4, no 3, 197-203 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this work was to achieve a better understanding of the wettability, i.e. liquids wetting and sorption characteristics (or penetrability), of acetylated Southern yellow pine (SYP) including probable differences in such characteristics between early- or latewood. Matched samples of acetylated and untreated SYP boards were prepared. The wettability of the samples were measured by the Wilhelmy technique using standard probe liquids as well as two different sample coatings, a cationic knot sealer and an acrylic based dye. The results showed that latewood regions of the acetylated wood had a noticeably lower uptake of the non-polar low surface tension liquid octane as well as the polar high surface tension liquid water compared with latewood of the untreated controls. Contact angle analysis based on the Lewis acid-base concept indicated that the acetylated wood is predominantly Lewis basic. A preferential wetting of the knot sealer was observed on the acetylated wood.

Place, publisher, year, edition, pages
2013. Vol. 4, no 3, 197-203 p.
Keyword [en]
Acetylated wood, Coatings, Penetrability, Wettability
National Category
Other Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-137964DOI: 10.1179/2042645313Y.0000000045Scopus ID: 2-s2.0-84885608890OAI: oai:DiVA.org:kth-137964DiVA: diva2:679878
Funder
Knowledge FoundationSwedish Foundation for Strategic Research
Note

QC 20140128

Available from: 2013-12-16 Created: 2013-12-16 Last updated: 2014-01-28Bibliographically approved

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Wålinder, MagnusSegerholm, Kristoffer

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
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  • de-DE
  • en-GB
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  • fi-FI
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  • nn-NB
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  • Other locale
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Output format
  • html
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