Your search resulted in 729 documents. Displaying 25 entries per page.
Accidental mold/termite testing of high density fiberboard (HDF) treated with borates and N’N-naphthaloylhydroxylamine (NHA)
2003 - IRG/WP 03-10462
…below 5% weight loss. Synergy was not observed for boron containing compounds and NHA. We conclude that i) soil contact accelerates HDF mold contamination and termite damage in the absence of termidicides ii) HDF made with UF is more susceptible to moisture acquisition and mold contamination than SYP iii)…
S N Kartal, H H Burdsall Jr, F Green III
Effect of protective additives on leachability and efficacy of borate treated wood
2002 - IRG/WP 02-30290
…interior environments. Under exterior conditions, borate compounds have a main disadvantage as they can be leached from
treated wood as a result of their water solubility. In this study, we compared the potential of different additives for reducing the leachability of boron preservatives from treated wood. Scots…
A Mohareb, J Van Acker, M Stevens
Fire resistance of Alder wood treated with some chemicals.
Part II. Effect of Other Chemicals on the Combustion Properties
2002 - IRG/WP 02-40235
…Yalt.) were impregnated according to ASTM D 1413-88 with boron compounds (boric acid, borax,
sodium perborate), vinyl monomers (styrene, methyl methacrylate), Tanalith-CBC, Phosphoric acid, Vacsol, Immersol, Polyethylene glycole (PEG-400) and their mixed solutions of chemicals in order to determine their…
A Temiz, Ü C Yildiz
Combustion properties of Alder wood treated with some new environment friendly natural extractives. Part 1. Effect of Natural Tannins on the Combustion Properties
2002 - IRG/WP 02-40234
…samples were treated with first natural extractives then boron compounds solution sequentially, the combustion properties were reduced.
Ü C Yildiz, A Temiz, E D Gezer, S Yildiz
Fire retardant treated wood and plywood: A comparative study
Part III. Combustion properties of treated wood and plywood
2002 - IRG/WP 02-40236
…The second group samples were impregnated by adding boron compounds into the glue mixture and third plywood
group samples were vacuum impregnated according to ASTM D 1413-88. In addition, the solid alder wood samples were impregnated with same fire retardant solutions for control purpose according to…
S Çolak, A Temiz, Ü C Yildiz, G Çolakoglu
The Biocidal Products Directive ( 98/8/EC ) - its consequences for the wood preservation industry
2001 - IRG/WP 01-50166-04
…other biocides) or with chromium, as well as arsenic and boron for many end use applications. This is very much the case where a long term service life is a key factor in the use of treated wood for that end use. These substances are commodity chemicals and are also covered under the Existing Substances Regulations…
D Aston
Laboratory evaluation of borate formulations as wood preservatves to control the subterranean termite coptotermes acinaciformis (isoptera: Rhinotermitidae) in Australia
2001 - IRG/WP 01-30266
…(F. Muell) were impregnated with the various borate compounds. There were marked differences in mass loss and mortality rate of the termite used in the bioassay units for different boron retentions. After 8 weeks the result suggested that, borate was toxic to termites in laboratory bioassay even at 0.20% m/m…
B M Ahmed, J R J French, P Vinden
Potentialities of protein borates as low-toxic, long-term wood preservatives - Preliminary trials
1999 - IRG/WP 99-30212
Boron compounds are efficient wood preservatives, as well as safe for the mammals and environmentally acceptable. Their natural solubility allows them to treat almost any wood species, but is also the cause of their high depletion from treated timber in…
M-F Thévenon, A Pizzi, J P Haluk
Bioefficacy of boric acid grafted onto wood
1999 - IRG/WP 99-30202
…and after treatment. Very low to undetectable level of boron was leached from the grafted sample suggesting a good fixation of boron to the wood compounds through 4,4'-Methylenediphenyl isocyanate (MDI) coupling agent. Laboratory soil block tests were conducted using white and brown rot fungi. At…
Weining Cui, D P Kamdem
Biological resistance of steam-compressed wood pretreated with boric compounds
1999 - IRG/WP 99-30190
…biological agents under hazardous service conditions. Boron pretreatment of compressed wood was targeted to a mutual benefit of increasing biological resistance of compressed wood as boron was converted to a more stable form through hydration and dehydration reactions under steaming at elevated temperatures in a…
M K Yalinkilic, W Dwianto, Y Imamura, K Tsunoda, M Takahashi
Synthetic Oxalate/ß-glucan Fungal Extracellular Matrix Demonstrates Potential Inhibition of Extracellular Enzyme Diffusion into Wood Cell Walls, and Calls into Question the Role of Enzymes in Wood Decay
2025 - IRG/WP 25-11053
…fungi in that some pharmacological anti-microbial compounds are relatively large at the molecular level. What this means is that the fungal extracellular matrix may inhibit the passage of these anti-microbial compounds into the fungus, preventing useful prophylactic or curative activity. By enacting…
B Goodell, G A Tompsett, G Perez-Gonzalez, K Mastalerz, M Timko
Screening of fungi capable of degradation of β-aryl ether bond from lignin model compounds by using highly fluorescent-emitting detection
2025 - IRG/WP 25-11081
…in lignin structure, this study used some lignin model compounds (e.g., guaiacylglycerol-β-O-4-methylumbelliferone, α-O-methylumbelliferyl-β-hydroxyl-propiovanillone, and O-benzyl-guaiacylglycerol-β-O-4-methylumbelliferone) with a highly sensitive fluorescence detection. Fluorescence activity was evaluated by…
A Ishikawa, Y Mori, Y Ota, M Kiguchi
Mitigating the risk of decay in CLT buildings affected by trapped construction moisture using a diffusible borate preservative
2025 - IRG/WP 25-20735
…removal of wet timber or by treatment with diffusible boron containing preservatives. This paper summarises an approach to mitigate trapped construction moisture in a time sensitive construction project in the UK.
J R Williams
Potential co-valorization of pyrolysis tars from five wood species form Tunisia as wood preservatives bases: Chemical compositions, antifungal and anti-termite activities
2025 - IRG/WP 25-20739
…acetic and propionic acids, furfural, phenolic compounds, guaiacol derivatives, levoglucosan, and polycyclic aromatic hydrocarbons (PAHs). Chemical composition of tars, mainly the concentration of these previous main compounds, varied according to the wood species. Notably, the chemical profile of the…
M T Elaieb, J Valette, E Kiény, L Pignolet, S Ghariani, K Candelier
Are we barking up the right tree? - the use of bark residues in wood protection
2025 - IRG/WP 25-20742
…modifications show promise in enhancing bark-derived compounds' yield, purity, and efficacy. This paper critically examines the current state of research, highlighting the need for further innovation and integration with conventional agents to fully realise the sustainable potential of bark residues in the wood…
A Treu, M Altgen, M Sipponen, M Borrega
Enhancing the Effectiveness of Penflufen by using a Plant Booster
2025 - IRG/WP 25-20759
…pro-oxidant metals and by inhibiting oxygen and oxygenated compounds, promoting relatively greater diffusion and fixation of active substances into wood cell walls.
The effective retention of penflufen in the EN 113 / EN 84 standard test could be reduced to 0.008 kg penflufen per cubic metre of wood using an…
D Messaoudi, A Robert, P Meckler, T Jaetsch
Novel treatments of solid wood - studies into the use of imidazole and succinimide
2025 - IRG/WP 25-30817
…Scots pine sapwood (Pinus sylvestris L.) with heterocyclic compounds, imidazole and succinimide, was investigated. Pressure-impregnation with aqueous solutions containing imidazole, imidazole + citric acid, succinimide, succinimide + citric acid, and citric acid + sorbitol at 5%, 10%, and 15% solid content was…
D Jones, A Scharf, H Dernegård, J Oja, S Duarte, J Levanić, M Humar
The impact of common fire retardancy salts and minerals on further properties of wood
2025 - IRG/WP 25-30821
…Furthermore, the minerals cannot protect wood structural compounds from degradation due to UV light. Mechanical tests revealed no significant impact on mechanical properties, even at high concentrations, suggesting that these treatments do not compromise the structural integrity of wood.
T Franke, T Volkmer
Mineral-wood composites with improved fire properties and durability prepared through MgCO3-based mineralization
2025 - IRG/WP 25-30823
…an aqueous magnesium acetoacetate solution. MgCO3-based 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…
A Pondelak, N Knez, S D Škapin, M Humar, A S Škapin
Evaluation of oak bark extracts as bio-based preservative agents in wood protection
2025 - IRG/WP 25-30833
…sustainable wood treatments based on these natural compounds aligns with circular economy principles and reduces dependence on synthetic biocides. In this study, selected bark extracts were explored for their antifungal activity against common wood-degrading fungi to assess their suitability for eco-friendly…
R Herrera, A Selmanovic, F Poohphajai, C Peña, A Sandak
Effect of photodegradation on fungal colonization on wood during initial stage of brown-rot decay
2025 - IRG/WP 25-41024
…of phenols, diterpenoid acids, and other lignin derived compounds, appeared in the cell lumen. During the initial stage of brown-rot decay, fungal hyphae invaded into wood through inherent voids such as ray cells, axial tracheids, and pits, and completed the initial colonisation after 20 days. After…
Y Wang, Y Peng, J Cao
Developing a Novel Bio-based PF Resin as Wood Preservative and Explore its Synthesis Route Using RSM Methodology
2025 - IRG/WP 25-41046
…favour the formation of more uniform, low molecular weight compounds suitable for resin synthesis. The optimal conditions identified through RSM analysis are 0.5% catalyst concentration, a reaction temperature of 120°C, and a reaction duration of 60 minutes. This study provides a foundation for developing more…
H-C Ye, Y-C Wu, T-H Lin, P-Y Kuo
Bio-Based but Toxic? The Neglected Ecotoxicity of Leachates from Wood Preservatives—A mini-review
2025 - IRG/WP 25-50403
…preservatives and their fixation to wood finding natural compounds with very promising wood preserving potential. However, there is a very significant gap in the assessment of the ecotoxicity of these compounds if used as wood preservatives, due to the general perception of natural compounds not being toxic. While…
A Barbero-Lopez, A Haapala
Migration of polycyclic aromatic hydrocarbons (PAHs) in soil from creosote-treated Douglas-fir and southern pine posts in the first 12 months since installation
2025 - IRG/WP 25-50404
…tar distillate consisting of a complex mixture of organic compounds that together function as a biocide. Polycyclic aromatic hydrocarbons (PAHs) are the predominant component and some PAHs in creosote have been identified by the Environmental Protection Agency as priority pollutants, particularly in marine…
K Quigley, G Presley
Water-based wood preservatives for curative treatement of insect-infested spruce constructions
1998 - IRG/WP 98-30171
…humans and environment due to the chemical preservative compounds of the treated wood.
Analyses on many roof constructions made with spruce (Picea abies L.) have revealed that Hylotrupes bajulus L. and Anobium punctatum De Geer have not the significance given to them for decennies. That often allows to replace…
E Graf, P Manser, B Lanz