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The use of blood protein in wood preservatives

Die Verwendung von tierischem Bluteiweiß in Holzschutzmitteln

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Abstract

Tested formulations containing blood protein and copper(II) sulfate compounds were subjected to the accelerated leaching test. The tests were performed according to EN 84 as well as by means of atomic absorption spectrophotometry (AAS). Wood samples obtained from pine sapwood (Pinus sylvestris L.) were treated with selected formulations. The treated samples were then subjected to leaching with a simultaneous analysis of the active component (Cu(II) ion) contained in the water extracts. The potential large-scale opportunities for the application of animal blood proteins investigated in this study are: fixation of the CuSO4 to the wood matrix through the protein denaturation and utilisation of the blood protein in industrial timber preservation.

Zusammenfassung

Die Testpräparate bestanden aus Lösungsgemischen von Kupfer(II)-Sulfat und in Wasser löslichem tierischem Bluteiweiß. Das Auslaugen der Proben erfolgte in Übereinstimmung mit der Norm EN 84. Die Wasserextrakte von jeder Stufe des Auslaugprozesses wurden mittels Atomabsorptionsspekroskopie (AAS) auf ihren Gehalt an Kupferionen analysiert. Für die Untersuchungen wurde Kiefernsplintholz (Pinus sylvestris L.) verwendet: Das Auslaugen des aktiven Stoffes (Kupferionen) wurde an gesättigten imprägnierten Hölzern durchgeführt. Ein Zweck der Imprägnation des Holzes mit Eiweißpräparaten war die Verbesserung der Dauerhaftigkeit der imprägnierten Hölzer durch Verringern des Auswaschens der biologisch aktiven Bestandteile durch thermische Behandlung, die das Eiweiß denaturiert und unlöslich macht. Ein weiteres Ziel ist die industrielle Anwendung in größerem Maßstab.

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References

  • Thevenon MF, Pizzi A, Haluk JP (1998a) Protein borates as non-toxic, long-term, wide-spectrum, ground-contact wood preservatives. Holzforschung 52:241–248

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Acknowledgements

This study was funded by the research project (3P06L03424) provided from the Ministry of Scientific Research and Information Technology. We would like to Dr. T. Radomyski from APC Ltd. for the research material supplied (SOLUTEIN).

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Authors and Affiliations

  1. Faculty of Wood Technology, Department of Chemistry, August Cieszkowski Agricultural University, Wojska Polskiego 75, 60625, Poznań, Poland

    I. Polus-Ratajczak

  2. Faculty of Wood Technology, Institute of Chemical Wood Technology, August Cieszkowski Agricultural University, Wojska Polskiego 38/42, 60634, Poznań, Poland

    B. Mazela

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  1. I. Polus-Ratajczak
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  2. B. Mazela
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Correspondence to I. Polus-Ratajczak.

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Polus-Ratajczak, I., Mazela, B. The use of blood protein in wood preservatives. Holz Roh Werkst 62, 181–183 (2004). https://doi.org/10.1007/s00107-004-0477-y

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  • DOI: https://doi.org/10.1007/s00107-004-0477-y

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