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Laboratory evaluation of boron-containing quaternary ammonia compound, didecyl dimethyl ammonium tetrafluoroborate (DBF) for inhibition of mold and stain fungi

Bewertung der borhaltigen quaternären Ammoniakverbindung didecyl-dimethyl-ammoniumtetrafluoroborat (DBF) zur Pilzhemmung bei Fäule und Verfärbung

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Abstract

This study evaluated the ability of boron-containing quaternary ammonia compound, didecyl dimethyl ammonium tetrafluoroborate (DBF) for inhibition of mold and stain fungi in comparison with another quaternary ammonia compound, didecyl dimethyl ammonium chloride (DDAC) and a commercial boron wood preservative, disodium octoborate tetrahydrate (DOT). The ability of the chemicals to inhibit discolorations by selected mold and stain fungi was screened in laboratory conditions. Both DBF and DDAC at 1% concentration provided protection against the fungi tested, however DOT at all concentrations showed no protection for the entire testing period. On the other hand, DBF and DDAC at lower solution strengths were capable of protecting wood against the fungi for a short term (2 weeks).

Zusammenfassung

Diese Studie bewertet die Eignung von borhaltigen quaternären Ammoniakverbindungen wie Didecyl-dimethyl-ammoniumtetrafluoroborat (DBF) zur Pilzhemmung bei Fäule und Verfärbung im Vergleich mit einer anderen quaternären Ammoniakverbindung, Didecyl-dimethyl-ammoniumchlorid (DDAC), sowie dem kommerziellen borhaltigen Schutzmittel Dinatrium-Oktoborat-Tetrahydrat (DOT). Die Eignung dieser Chemikalien zur Verhinderung von Verfärbungen durch ausgewählte Fäule- und Verfärbungspilze wurde in Labortest untersucht. Sowohl mit DBF als auch mit DDAC konnte bei 1%iger Konzentration ein Schutz gegen die getesteten Pilze erreicht werden. Dagegen zeigte DOT in allen Konzentrationsbereichen keine Schutzwirkung während der gesamten Testperiode. Demgegenüber konnte mit BDF und DDAC auch bei geringeren Konzentrationen eine kurzfristige Hemmung (2-wöchiger Test) gegen Pilze erzielt werden.

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Acknowledgements

The authors gratefully acknowledge the support of Japan Society for the Promotion of Science (JSPS).

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Authors and Affiliations

  1. Research Institute for Sustainable Humanosphere, Kyoto University, 611-0011, Uji, Kyoto, Japan

    S. Nami. Kartal & Yuji Imamura

  2. Pharmaceutical and Cosmetic Materials Research Department, Sanyo Chemical Industries, Ltd, 605-0995, Kyoto, Japan

    Katsumi Shinoda

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  1. S. Nami. Kartal
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  2. Katsumi Shinoda
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  3. Yuji Imamura
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Correspondence to S. Nami. Kartal.

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Kartal, S.N., Shinoda, K. & Imamura, Y. Laboratory evaluation of boron-containing quaternary ammonia compound, didecyl dimethyl ammonium tetrafluoroborate (DBF) for inhibition of mold and stain fungi. Holz Roh Werkst 63, 73–77 (2005). https://doi.org/10.1007/s00107-004-0534-6

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  • DOI: https://doi.org/10.1007/s00107-004-0534-6

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