Wood Durability and Protection

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1618

Special Issue Editors


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Guest Editor
Department of Wood Science, Oregon State University, Corvallis, OR 97331, USA
Interests: wood; wood Identification and characterization; forest-based bio-products
USDA-FS Forest Products Laboratory, Madison, WI 53726, USA
Interests: biodeterioration; wood durability; wood protection; treated wood disposal
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Sustainable Bioproducts, Mississippi State University, Starkville, MS 39759, USA
Interests: environmentally friendly wood protection systems; treated wood products
Department of Forest, Rangeland and Fire Sciences, University of Idaho, Moscow, ID 83844, USA
Interests: wood protection; wood composite materials
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
USDA Forest Products Laboratory, Madison, WI, USA
Interests: wood decay; fungal decay of treated wood; mechanisms of copper-tolerant decay fungi; wood durability

Special Issue Information

Dear Colleagues,

Wood products are versatile, widely available construction materials with a long history of use around the world. Increasingly, these materials are being sought for their lower lifecycle carbon emissions compared to alternatives. However, as a biological material, wood is susceptible to biodegradation by wood-destroying insects and fungi, and it must be protected from these attacks to ensure long-term performance in specific end applications. Different wood species also differ in their resistance to decay. Many methods of wood protection exist and include treatment with biocides, wood modification, moisture-excluding coatings, moisture management, and others. This Special Issue of Forests will highlight the latest developments in wood durability and protection research. 

Dr. Gerald Presley
Dr. Grant Kirker
Dr. Beth Stokes
Dr. Lili Cai
Dr. Katie M. Ohno
Guest Editors

Manuscript Submission Information

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Keywords

  • pressure treatment
  • wood coatings
  • biodeterioration
  • biodegradation
  • naturally durable wood
  • wood modification

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Published Papers (2 papers)

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Research

15 pages, 5670 KiB  
Article
Changes in Wood Plastic Composite Properties After Natural Weathering and Potential Microplastic Formation
by Lotars O. Vasiljevs, Roze Zabarovska, Eva Gulevska, Dace Cirule, Errj Sansonetti, Ingeborga Andersone, Bruno Andersons, Janis Kajaks and Edgars Kuka
Forests 2024, 15(12), 2102; https://doi.org/10.3390/f15122102 - 27 Nov 2024
Viewed by 286
Abstract
Wood plastic composites (WPCs) have recently gained attention as alternatives to traditional wood materials for outdoor use, thanks to their enhanced moisture resistance and durability, which extends their service life. Discolouration as well as surface erosion has been observed during weathering for both [...] Read more.
Wood plastic composites (WPCs) have recently gained attention as alternatives to traditional wood materials for outdoor use, thanks to their enhanced moisture resistance and durability, which extends their service life. Discolouration as well as surface erosion has been observed during weathering for both WPCs with untreated and heat-treated wood. However, aspects such as changes in surface hydrophobicity, chemistry, and erosion in terms of microplastic formation have received less attention; this research aimed to evaluate these factors during natural weathering. Four types of WPC samples, consisting of 50% wood particles (untreated and heat-treated) and 50% polypropylene, were naturally weathered in Latvia for two years. The samples measured 240 mm × 240 mm × 5 mm. Results showed rapid colour changes, microcracks, and exposed wood particles, suggesting microplastic formation. ATR-FTIR analysis showed increased absorption at 1715 cm⁻¹ (carbonyl groups) and at 3410 cm−1 and 3460 cm−1, typical of wood, indicating chemical changes on the surface. These changes influenced surface hydrophobicity, roughness, and water penetration. In a relatively short exposure time, WPCs without proper additives undergo significant changes in their aesthetic and physical properties, leading to surface erosion and potential microplastic formation. This could challenge the perception of WPCs as environmentally friendly materials. Full article
(This article belongs to the Special Issue Wood Durability and Protection)
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17 pages, 5563 KiB  
Article
Evaluation of the Fungitoxic Effect of Extracts from the Bark of Quercus laeta Liebm, the Cob of Zea mays and the Leaves of Agave tequilana Weber Blue Variety against Trametes versicolor L. Ex Fr
by Alberto Gálvez-Martínez, Rosa María Jiménez-Amezcua, José Anzaldo-Hernández, María Guadalupe Lomelí-Ramírez, José Antonio Silva-Guzmán, José Guillermo Torres-Rendón and Salvador García-Enriquez
Forests 2024, 15(7), 1204; https://doi.org/10.3390/f15071204 - 11 Jul 2024
Viewed by 978
Abstract
Wood products used in outdoor applications can be degraded by xylophage organisms. For this reason, such products require treatments based on biocides in order to delay their service life. This brings troubles of its own due to the inherent toxicity of these treatments [...] Read more.
Wood products used in outdoor applications can be degraded by xylophage organisms. For this reason, such products require treatments based on biocides in order to delay their service life. This brings troubles of its own due to the inherent toxicity of these treatments towards humans and the environment. Therefore, it is imperative to find less-toxic natural preservatives. In this context, this work deals with the evaluation of the fungitoxic effect of raw extracts obtained from three types of agroindustrial waste materials: bark of Quercus laeta spp., the cob of Zea mays, and the leaves of Agave tequilana Weber Blue variety. Extracts were incorporated into the test wood Alnus acuminata (Aile wood) via a full-cell process. Bark extracts provided excellent protection against the attack of Trametes versicolor (L. ex. Fr.) Pilát, improving the decay resistance of Aile wood from being nonresistant to resistant. Also, bark extracts from Q. laeta showed less leaching than the other extracts. Full article
(This article belongs to the Special Issue Wood Durability and Protection)
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