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Determination of the effectiveness of a combined thermal/chemical wood modification by the use of FT–IR spectroscopy and chemometric methods
Petru Poni Institute of Macromolecular Chemistry of the Romanian Academy, Iasi, Romania. Centre of Wood Science and Technology, Edinburgh Napier University, Edinburgh, United Kingdom.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering. DJ Timber Consultancy Limited, Neath, United Kingdom.
Biotechnical Department, University of Ljubljana, Ljubljana, Slovenia.
Biotechnical Department, University of Ljubljana, Ljubljana, Slovenia.
2020 (English)In: Journal of Molecular Structure, ISSN 0022-2860, E-ISSN 1872-8014, Vol. 1200, article id 127133Article in journal (Refereed) Published
Abstract [en]

In this study, the combined effects of chemical (with tricine and bicine) and thermal treatments were investigated. The modifications which appeared in the wood structure were evaluated by infrared spectroscopy and chemometric methods (principal component analysis and hierarchical cluster analysis). After the treatment, about 6–7% of WPG was identified in treated samples, but further thermal treatment decreased the WPG to about 5%. The modifications appearing in the spectra were mostly related to increase of the intensities of the bands assigned to CO groups but also to N–H and C–N groups, with shifting of some bands to higher wavenumber values.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 1200, article id 127133
Keywords [en]
Softwood, Hardwood, Chemical modification, Thermal modification, Infrared spectroscopy, Chemometric methods
National Category
Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-76209DOI: 10.1016/j.molstruc.2019.127133Scopus ID: 2-s2.0-85072810635OAI: oai:DiVA.org:ltu-76209DiVA, id: diva2:1356983
Note

Validerad;2019;Nivå 2;2019-10-08 (johcin)

Available from: 2019-10-02 Created: 2019-10-02 Last updated: 2019-10-18Bibliographically approved

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Jones, Dennis

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