Your search resulted in 336 documents. Displaying 25 entries per page.
Carbon quantum dots as a fungicide and its applications in wood
2025 - IRG/WP 25-20754
…(CQDs) via a microwave assisted method. CQDs with proper structure showed excellent anti-fungal effects against both brown (Postia placenta, Pp) and white rot decay fungi (Trametes versicolor, Tv) on wood. The underlying anti-fungal mechanisms of CQDs on wood were further elucidated. We found that positively…
X Zhao, Z Zhang, M Zhou, J Cao
Sustainable and environmentally friendly bio-based protection against fire
2025 - IRG/WP 25-20756
…high industrial availability, high char yield, aromatic structure and functionality can be used as a flame retardant. The aim of this study is to investigate if lignin can be used as a flame retardant. In our study, a commercially available kraft lignin (BioPiva 395) was chemically modified by phosphorylation…
M Tanase-Opedal, A Larsson, P O Flaete
The non-energy utilization of low-quality wood from the invasive species Prunus serotina
2025 - IRG/WP 25-30814
…as Prunus serotina, can significantly impact ecosystem structure and function. This species provides low-quality timber, which is most often used for energy purposes in the form of biomass. In the era of policies focused on a circular economy, seeking methods to extend the life cycle of raw materials and wood…
W Perdoch, P Kołwzan
Furfurylation of wood with white pocket rot caused by Porodaedalea chrysoloma
2025 - IRG/WP 25-30819
…into the wood samples owing to the appearance of the pore structure yielded by P. chrysoloma and furfuryl alcohol reactivity within the white pocket rot samples. Therefore, the mass change of the furfurylated wood raised markedly as the decay-area ratio on the white pocket rot surface increased. Moreover,…
Y Mori, Yamashita, Y Ota, M Kiguchi
Unlocking the Potential of Dairy Coproducts in Wood Modification
2025 - IRG/WP 25-30822
…exceeding 200%, ensuring deep penetration into the wood structure. After curing, the treated samples exhibited significant weight gain, which persists after water leaching. The cell wall bulking remained below 3% across all treatments, contributing to an anti-swelling efficiency of around 40% after leaching. These…
A Keralta, J Karthäuser, J Winninger, J Chamberland, M-J Dumont, V Landry, H Militz
Mineral-wood composites with improved fire properties and durability prepared through MgCO3-based mineralization
2025 - IRG/WP 25-30823
…compounds are formed in situ, deep within the wood’s structure. We show that the new mineralisation method overcomes wood’s low resistance to combustion and decay organisms. Mineralisation with the novel method improves the fire behaviour of Norway spruce (Picea abies) extending the time to ignition by more…
A Pondelak, N Knez, S D Škapin, M Humar, A S Škapin
Enhancing strength, fire and biological resistance of wood through structural and chemical modification
2025 - IRG/WP 25-30831
…treated basswood was shown to have a highly porous network structure with partial removal of lignin and hemicellulose. The bending strength of modified wood with PF resin and sodium silicate, respectively increased by 72% and 61.6%, compared to the raw wood properties. The high mechanical strength of wood is due to…
R Abouzeid, M S Koo, Q Wu
Introduction of UV absorbers to wood surfaces via atom transfer radical polymerization
2025 - IRG/WP 25-30834
…both residential and commercial construction. However, the structure of the wood materials varies depending on the environmental factors such as microorganisms, water, and light. In particular, wood surfaces exposed to outdoor conditions are rapidly degraded because cell wall chemical components such as lignin…
K Maezaki, Y Mori, M Kiguchi
ProFume® pre-shipment treatments of round wood against infestations with bark-breeding beetles - technical improvements
2025 - IRG/WP 25-41017
…wood log fumigation because of the significance for inter Community traffic of goods, international trade and national plant protection management. This presentation discusses constraints and suggested improvements for fumigating spruce logs with SO2F2 within common freight containers. Improvements to the technical…
S Kümmritz, G M Kroos
A multi-dataset validation study of moisture prediction in Norway spruce wood exposed outdoors
2025 - IRG/WP 25-41029
…by fungal decay, limiting the service life of the structure. Service life models thus rely on accurate predictive models of moisture behaviour. However, capturing the complexities of free water movement in real-world scenarios – where environmental factors such as rainfall and humidity vary unpredictably…
J Niklewski, C Brischke
Transformation of bamboo: From multiscale fibers to robust and degradable cellulose-based materials for plastic substitution
2025 - IRG/WP 25-41032
Bamboo is an ideal candidate to replace traditional plastics, reduce environmental pollution, and promote harmony between nature and humanity owing to its rapid growth and renewability. However, achieving arbitrary shape-shifting of bamboo while retaining its…
J Hu, Y Zhang, Y He, Z Su, W Lao, S Zhang, Y Yu, W Yu, Y Huang
Investigation of Impregnation Factors for Biomass-Based Phenol-Formaldehyde Resins
2025 - IRG/WP 25-41044
…ensure effective resin penetration into the wood cell wall structure, thereby enhancing wood durability and mechanical properties. Previous literature has largely focused on resin treatment and testing of small-sized specimens. However, practical applications involving large-sized timber present more complex…
Y-C Huang, T-H Lin, P-Y Kuo
WoodStock: Empowering climate-smart, circular, and zero-waste use of underutilized wood from the forest and building stock in the construction sector to support the New European Bauhaus
2025 - IRG/WP 25-50405
…Through systemic circular solutions for zero-waste and community-based wood construction, aligning novel business strategies with policy recommendations, and dedicated demo, training and educational activities the project endeavours to incentivise climate-smart and increased sustainable wood use in construction.…
L De Ligne, J Van Acker, J Van den Bulcke
Probing nanoscale protection mechanisms with x-rays and neutrons
2025 - IRG/WP 25-11083
…in literature is a holistic understanding of how wood nanostructure changes due to these exposures. This is of particular interest since treatments that are meant to impart resistance can alter these length scales and/or modify their hygroscopic behavior. Yet, our knowledge of how protection treatments, such as…
N Z Plaza, K M Ohno, J E Jakes, J B O’Sullivan, L Yang
Analysis of A Wooden Structure Damaged in a Fire – The Wooden Granary at Zaprice, Kamnik
2025 - IRG/WP 25-41049
…tools for post-fire diagnostics of heritage wooden structures.
M Humar, B Lesar, L Kopač, A Žagar
Characterization of cell wall morphology and water-soluble extractives in Japanese larch decayed by white-pocket-rot fungi
2024 - IRG/WP 24-11034
…that white-pocket-rot–causing P. chrysoloma degraded the structure of lignin and hemicellulose compared with the crystalline structure of cellulose in the cell wall. In addition, we focused on the water-soluble extractives deposited in Japanese larch during the formation of heartwood. The hot-water extractives were…
Y Mori, H Arai, T Ito, H Hashitani, K Yamashita, Y Ota, M Kiguchi
Virtual reality of wood protection
2024 - IRG/WP 24-20727
…X-ray micro-computed tomography graphics of the micro-structure of the following timbers: (a) The silica-containing, marine-borer resistant wood, satinay (Syncarpia hillii F.M. Bailey); (b) Southern pine (Pinus spp.) treated with either micronized copper azole (MCA) or alkaline copper quaternary (ACQ)…
D Feng, Y Liu, M Turner, A Limaye, P D Evans
Natural weathering of modified pine and Eucalyptus woods by surface charring
2024 - IRG/WP 24-30801
…to weathering process due to recalcitrant carbonaceous structure of charred wood creating weathering resistant surfaces.
E E Soyturk, E N Kavakli, S N Kartal, C M Ibanez
Influence of the substitution of phenol with lignin cleavage products in phenol-formaldehyde impregnation resins for wood modification on the fungal decay resistance and impregnation depth
2024 - IRG/WP 24-30805
…is a currently underutilized resource with a chemical structure that contains phenolic units. For adhesive applications, the (partial) substitution of phenol by lignin in PF resins is well-studied. However, for wood impregnation the requirements for a resin are different than for an adhesive; the molecular size…
J Karthäuser, L Tarentino, A Treu, H Militz, G Alfredsen
Leaching and chemical redistribution of CCA components in refractory heartwood of E. nitens
2024 - IRG/WP 24-41011
…study also highlighted the significance of wood species, structure, and extractives in fixation and leaching behaviour.
The research examined the development of checks on wood surfaces, demonstrating the potential for preservative migration. The findings suggest that minor amounts of CCA components redistributed…
J R Vargas, L Yermán, K C Wood, T Singh
Bio-based thermal insulation panels – a way of cascading utilization of post-consumer wood
2024 - IRG/WP 24-50388
…was used as a composite binder, and then a composite structure and thermal insulation properties, water absorbability, and strength properties of the composite were analyzed. A process of composites with a high thermal conductivity parameter (lambda 0,048 W/mK) was described. Post-production dust can be a…
W Perdoch, A Szelag
Management of invasive West Indian drywood termite in Queensland: Transition from mandatory to voluntary treatment
2023 - IRG/WP 23-11002
…of infesting both softwoods and hardwoods in timber structures. In Australia C. brevis was first discovered in 1940s and later an established infestation was discovered in Maryborough, Queensland in 1966 and then in Brisbane and Bundaberg in 1975. In 1977 the Queensland Government enacted the WIDT Prevention…
C Fitzgerald, B Hassan
Effect of enzymatic inhibitors on the population of Reticulitermes grassei and their associated microbiota
2023 - IRG/WP 23-11008
…environment with possible repercussions for the bacterial community composition and functionality and ultimately host fitness. In this paper, the efficacy of cellulase inhibitor products on both the insect and its associated bacterial microbiota is presented. The results obtained show that certain products could be…
S M Santos, M T Troya, F Llinares, P Colina, E García, M Álvarez, L Robertson
Unlocking the potential of tropical fast-growing hardwood species
2023 - IRG/WP 23-11010
Social forestry or community managed forestry practices have been promoted as an inclusive way to mitigate climate change through the framework of the UNFCCC scheme of the Reduce Emission Deforestation and forest Degradation (REDD+) programme. Fast growing wood species are one…
S Fauziyyah, R Wimmer, C Brischke
Assessment of the Material Durability and Structural Integrity of the Wooden Velodrome in Češča vas, Slovenia
2023 - IRG/WP 23-11012
…for thousands of years to create buildings and other structures. When wooden structures are designed, built, and maintained properly, they can be safe and long-lasting. Sports facilities, which provide athletes with a space to train, compete, and improve their abilities, are crucial in creating a strong and…
D Kržišnik, M Humar, B Lesar