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Surface energy characterization of thermally modified wood particles exposed to humidity cycling using inverse gas chromatography
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Byggnadsmaterial.
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Byggnadsmaterial. SP Technical Research Institute of Sweden.ORCID-id: 0000-0001-7014-6230
SP Technical Research Institute of Sweden.
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Byggvetenskap, Byggnadsmaterial.ORCID-id: 0000-0002-9156-3161
2014 (engelsk)Inngår i: / [ed] Nunes, L., Jones, D., Hill, C. and Militz, H., 2014Konferansepaper, Poster (with or without abstract) (Annet vitenskapelig)
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.

sted, utgiver, år, opplag, sider
2014.
Emneord [en]
Humidity cycling, inverse gas chromatography (IGC), surface energy characterization, thermally modified wood
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-172957OAI: oai:DiVA.org:kth-172957DiVA, id: diva2:851050
Konferanse
The Seventh European Conference on Wood Modification (ECWM7).
Forskningsfinansiär
Knowledge FoundationSwedish Foundation for Strategic Research
Merknad

QC 20150904

Forskningsfinansiärer:

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

EcoBuild Institute Excellence Centre 

Tilgjengelig fra: 2015-09-03 Laget: 2015-09-03 Sist oppdatert: 2015-09-04bibliografisk kontrollert

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Segerholm, KristofferWålinder, Magnus

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