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http://dx.doi.org/10.5658/WOOD.2013.41.6.559

Decay Resistance and Anti-mold Efficacy of Wood Treated with Fire Retardants  

Son, Dong Won (Dept. of Forest Products, Korea Forest Research Institute)
Kang, Mee Ran (Dept. of Forest Products, Korea Forest Research Institute)
Lee, Dong-Heub (Dept. of Forest Products, Korea Forest Research Institute)
Park, Sang-Bum (Dept. of Forest Products, Korea Forest Research Institute)
Publication Information
Journal of the Korean Wood Science and Technology / v.41, no.6, 2013 , pp. 559-565 More about this Journal
Abstract
This study evaluated the ability of white and brown rot fungi to decompose fire retardant-treated wood by measuring mass loss. Anti efficacy of FRT against sapstain and mold fungi was evaluated. Wood was treated with liquid sodium silicate and boric acid, ammonium borate, di-ammonium phosphate. Retardant treated wood was then subjected to fungal decay resistance tests performed according to KS standard method using a brown-rot fungus, Fomitopsis palustris and white rot fungus Trametes versicolor. Aspergillus niger, Penicillium funiculosum, Rhizopus nigricans, Aureobasidium pullulans, Tricoderma virede fungi were used anti-sapstain and mold test. Boron and phosphorus chemicals used in this study increased the resistance of fire retardant treated wood against both fungal attack. Anti mold and sapstain efficacy of the fire retardant treated wood was excellent but there were difference depend on mold. After the liquid sodium silicate treatment, the second chemical treatment process could lead chemical fixation into wood, which effects decay resistance.
Keywords
fire retardant treated wood; decay resistance; anti sapstain efficacy;
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Times Cited By KSCI : 5  (Citation Analysis)
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