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    Author(s): Roger M. Rowell
    Date: 2005
    Source: Drewno. Vol. 48, no. 173 (2005): pages [111]-117.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (96 KB)

    Description

    Reaction of wood with anhydrides, isocyanates, and epoxides reduces the moisture content of the cell wall and increases the resistance of the modified wood to attack by fungi. As the level of bonded chemical increases. the cell wall equilibrium moisture content decreases and the resistance to attack by white-and brown-rot fungi increases. There is a direct relationship between the decrease in cell wall moisture content and resistance to fungal attack The mechanism of the effectiveness of chemical modification to provide decay resistance seems to be due to the reduction of moisture content in the modified wood.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Rowell, Roger M. 2005. Chemical modification : a non-toxic approach to wood preservation. Drewno. Vol. 48, no. 173 (2005): pages [111]-117.

    Keywords

    Chemical modification, reaction systems, moisture content, decay resistance, plant cell walls, wood-decaying fungi, anhidrides, epoxy compounds, isocyanates, wood preservation, resistance to decay, modified wood, moisture content, preservation, chemical modification of wood

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https://www.fs.usda.gov/treesearch/pubs/25151