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Patination of cherry wood and spruce wood with ethanolamine and surface finishes

La patination sur le bois de cerisier et d’épicéa grâce à l’emploi de l’éthanolamine et des procédés de finition surfacique

Patina-Bildung auf Kirschholz und Fichtenholz durch Oberflächenbehandlung mit Ethanolamin

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Surface Coatings International Part B: Coatings Transactions

Summaries

The appearance of age or the so-called patina of cherry wood and spruce wood was obtained by treatment with ethanolamine vapours. Chemical changes in the treated wood were investigated by FT-IR spectroscopy, electron paramagnetic resonance and nitrogen content analysis. It was shown that the use of aggressive and toxic ammonia could be replaced by fuming with ethanolamine. Extensive colour stability experiments of patinated cherry wood that was coated with linseed oil varnish, linseed oil, beeswax or nitro-cellulose lacquer indicated that the described antiquing method represents a new possibility for producing various wood products with the appearance of age.

Résumé

Le bois de cerisier et d’épicéa a pris un air antique, c’est à dire de la patination, après être traité à la vapeur d’éthanolamine. Des changements physiques dans le bois traité ont été investigués par le moyen de la spectroscopie TF-IR, de la résonance paramagnétique électronique et de l’analyse de la teneur en azote II a été montré que l’emploi de l’ammoniac qui est agressif et toxique pouvait être remplacé par une exposition à la vapeur d’éthanolamine. Des expériences extensives dans le domaine de la stabilité de la couleur du bois de cerisier patiné revêtu d’huile de lin, de vernis à l’huile de lin, de cire d’abeille ou de laque nitro-cellulosique ont indiqué que la méthode décrite de rendre plus antique l’apparence du bois représente une nouvelle possibilité dans le domaine de la production d’objets en bois qui aient l’air antique.

Zusammenfassung

Kirsch- und Fichtenholz wurde durch Behandlung mit Ethanolamingas künstlich gealtert und die chemischen Veränderungen durch FT-IR-Spektroskopie, elektromagnetische Resonanz und Messungen des Stickstoffgehaltes ermittelt. Es zeigte sich, daß man die Verwendung von aggressivem und giftigem Ammoniak durch die Bedampfung mit Ethanolaminen ersetzen kann. Wir führten extensive Tests zur Farbstabilität von künstlich gealtertem Kirschbaumholz durch, das mit Leinöl, Leinöllack. Bienenwachs oder Nitrozelluloselack behandelt worden war. Die Tests zeigten, daß die Behandlung mit Ethanolaminen eine praktikable Methode ist, verschiedene künstlich gealterte Holzprodukte herzustellen.

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Authors and Affiliations

  1. Biotechnical Faculty, Department of Wood Science and Technology, University of Ljubljana, Jamnikarjeva 101, SI 1000, Ljubljana, Slovenia

    M Petric, B Kricej, M Humar, M Pavlic & M Tomazic

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  1. M Petric
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  2. B Kricej
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  3. M Humar
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  4. M Pavlic
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  5. M Tomazic
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Correspondence to M Petric.

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Petric, M., Kricej, B., Humar, M. et al. Patination of cherry wood and spruce wood with ethanolamine and surface finishes. Surface Coatings International Part B: Coatings Transactions 87, 195–201 (2004). https://doi.org/10.1007/BF02699635

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