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Surface energy characterization of thermally modified wood particles exposed to humidity cycling using inverse gas chromatography
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Materials.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Materials. SP Technical Research Institute of Sweden.ORCID iD: 0000-0001-7014-6230
SP Technical Research Institute of Sweden.
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Building Materials.ORCID iD: 0000-0002-9156-3161
2014 (English)In: / [ed] Nunes, L., Jones, D., Hill, C. and Militz, H., 2014Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

The objective of this work was to study surface energetics of thermally modified wood particles exposed to dry-humid cycling. This information can give insight in the adhesion properties between the modified wood and composite matrices, adhesives or coatings. The surface energy characterization as well as the dry-humid cycling was performed using inverse gas chromatography (IGC). Duplicates of thermally modified and unmodified spruce particles with size 0-0.125 mm were investigated and conditioned in dry-humid cycles at 0-75 % RH and 0‑25 % RH. The BET specific surface area as well as the dispersive surface energy heterogeneity (or distribution) at different surface coverage was determined. The results showed similar trends for the different cycles in the dry and humid states, respectively. The difference in dispersive surface energy distribution between the dry and humid state was more pronounced at the lower surface coverage.

Place, publisher, year, edition, pages
2014.
Keyword [en]
Humidity cycling, inverse gas chromatography (IGC), surface energy characterization, thermally modified wood
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-172957OAI: oai:DiVA.org:kth-172957DiVA: diva2:851050
Conference
The Seventh European Conference on Wood Modification (ECWM7).
Funder
Knowledge FoundationSwedish Foundation for Strategic Research
Note

QC 20150904

Forskningsfinansiärer:

Stiftelsen Nils och Dorthi Troëdssons forskningsfond (Projektnr 793/12 Hydro-termo-mekanisk modifiering av trä)

EcoBuild Institute Excellence Centre 

Available from: 2015-09-03 Created: 2015-09-03 Last updated: 2015-09-04Bibliographically approved

Open Access in DiVA

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Authority records BETA

Segerholm, KristofferWålinder, Magnus

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CiteExportLink to record
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