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Poplar wood treated with nano-silver–copper particles: fungal degradation and leaching analysis.
- Source :
-
Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood . May2024, Vol. 78 Issue 5, p293-302. 10p. - Publication Year :
- 2024
-
Abstract
- This study investigated the inhibition effect of nanoscale silver–copper particle (20 nm) against Coriolus versicolor and Gloeophyllumtrabeum. Poplar wood samples (Populus L.) were vacuum-impregnated using aqueous nano-AgCu solutions at concentrations of 0.01 %, 0.02 %, 0.03 %, 0.05 %, 0.075 %, and 0.1 %. Alkaline copper quaternary (ACQ, 0.1 %), boric acid (0.2 %) and untreated control group (CK) were employed for comparisons. Decay resistance and leachability were studied. The anti-fungi effects were compared between nano-AgCu, nano-Ag, Ag+ (silver nitrate), Cu2+ (copper nitrate), and a composite of Ag+–Cu2+. Nano-AgCu particle exhibited effective resistance to fungi after 12 weeks of exposure. The threshold retention of the nano-AgCu against C. versicolor and G. trabeum on poplar wood was 0.19 kg m−3 and 0.62 kg m−3, respectively. The silver–copper nanoparticles demonstrated excellent leach resistance, and the inhibition effect was retained after leaching. The nano-AgCu particle provided better antifungal effects than single ions or metal nanoparticles. This study illustrates the potential of using nano-AgCu particle as an efficient wood preservative compared to commercial water-soluble preservatives. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00183830
- Volume :
- 78
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Holzforschung: International Journal of the Biology, Chemistry, Physics, & Technology of Wood
- Publication Type :
- Academic Journal
- Accession number :
- 177112592
- Full Text :
- https://doi.org/10.1515/hf-2023-0128