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Potential contribution of aorganosilicon compounds to reduced leaching of biocides in wood protection
De Vetter, L.; Depraetere, G.; Stevens, M.; Janssen, C.R.; van Acker, J. (2009). Potential contribution of aorganosilicon compounds to reduced leaching of biocides in wood protection. Ann. For. Sci. 66(2): Art. 209. https://hdl.handle.net/10.1051/forest/2008091
In: Annals of Forest Science. EDP Sciences: Paris. ISSN 1286-4560; e-ISSN 1297-966X
Peer reviewed article  

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Trefwoord
    Zoet water
Author keywords
    biocide; decay resistance; ecotoxicology; leaching; silicone; woodprotection

Auteurs  Top 
  • De Vetter, L.
  • Depraetere, G.
  • Stevens, M.
  • Janssen, C.R.
  • van Acker, J.

Abstract
    Leaching of biocide treated wood leads to reduced effectiveness and potential threat to the environment. Therefore the effectiveness of organosilicons as protective systems of biocides was evaluated. Scots pine sapwood specimens were impregnated with solely organosilicons and biocides as well as with combinations of both. The biocides 3-iodo-2-propynylbutylcarbamate, propiconazole and 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride confirmed their effectiveness regardless the addition of an organosilicon. Low leachate toxicities to the crustacean Daphnia magna were found for the organosilicons, whereas significant leachate toxicities were measured for the biocides. Combining both did not considerably diminish the leachate toxicities. It must therefore be concluded that under the circumstances as described in this article, organosilicons do not interfere with the efficacy of the biocides, but they do not contribute to a reduced leaching of the biocides either.

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