Your search resulted in 514 documents. Displaying 25 entries per page.
Japanese traditional wooden building construction project in Bangkok - Part 2 Verification of termite control method
2023 - IRG/WP 23-11022
…of heartwood (except stainless steel mesh) and boric acid-treated specimens (without weathering) were observed to be damaged.
4. Boric acid-treated (with weathering operation) and untreated specimens were severely damaged.
H Ishiyama, S Murakami
Assessment of Boracol 200RH (FrameSaver) as a remedial treatment to control decay in pre-decayed model timber frame units
2010 - IRG/WP 10-30529
…in most components exceeded the toxic threshold for boric acid, which presumably accounts for lack of spread of decay following Boracol 200RH application.
Mick Hedley, Dave Page, Jackie van der Waals
Is Field Test Data from 20 x 20mm Stakes Reliable? Effects of Decay Hazard, Decay Type and Preservative Depletion Hazard
2006 - IRG/WP 06-20327
…as a result, as previously occurred for pine treated with acid copper chromate (ACC). Based on overall performance across all sites pine treated with chlorothalonil plus chlorpyriphos (1.07% m/m a.i.) (11% mean soundness reduction (MSR)), creosote/oil treated pine (37% m/m a.i.) (14% MSR) and CuAz (15%MSR) all gave…
R Wakeling
A comparison of the leaching resistance of copper 2-ethanolamine and copper ethylenediamine treated Scots pine
2000 - IRG/WP 00-30233
…with other observations linked to the formation of amine acid salts in amine treated wood. The results also suggested that significant loss of copper, due to formation of copper acetate can occur.
Xiao Jiang, J N R Ruddick
Potential toxicants for controlling soft rot in preservative treated hardwoods. Part 2: Laboratory screening tests using sawdust
1977 - IRG/WP 2101
…formulations tested against Gloeophyllum trabeum, octanoic acid was more toxic than copper sulphate or copper lactate, the same being true for soft rot organisms. All additional preservatives tested against soft rot were better than octanoic acid, with "Busan 30" being better than PCMC or the "Versatic acid 911".…
J D Thornton
Effectiveness of Water Based Bentonite-Borate Slurry for In-situ Remedial Protection of Historic Wooden Piles: The Eurobor Protocol, Part 2
2011 - IRG/WP 11-30574
…of the biocide product Eurobor®, water mixture of boric acid, borax and sodium bentonite, aimed to verify previous findings regarding borates penetration from a clay-water mixture of foundation timber. The product was applied on samples from 100 year old timber foundation from the city of Göteborg. Although in…
M. Theorin, K. Fimmerstad, K-M. Bandh
Design, synthesis, characterisation and effectiveness of ‘Locked-in-Boron’ chemicals for H3.2 level of wood protection
2011 - IRG/WP 11-30577
…three boratrane concentrations. The half-life for boric acid controlled release for wood treated with the boratrane at a nominal 0.1% boric acid equivalent (bae) was approximately 4 years, while that for a nominal 1% bae was approximately 7 years, compared with a half-life of 10 months for conventional boric…
R Franich, H Kroese, S Gallagher, S Hill, B Kelly, G Billett, R Meder, W Rae
Synergistic effects between 2-HPNO, Irganox 1076 and EDTA on the inhibition of wood degradation by Coriolus versicolor
2004 - IRG/WP 04-30331
…of tebuconazole used alone. 2-HPNO exhibits an hydroxamic acid function and is a susbtrate of fungal peroxidase. These properties could explain the observed synergy. The implications of these data for the design of new wood preservation strategies are also discussed.
A Mabicka, S Dumarçay, N Rouhier, M Linder, J P Jacquot, P Gérardin, E Gelhaye
A novel lipid-related compound, (Z)-1,7-nonadecadiene-2,3-dicarboxylic acid, produced by white-rot fungus Ceriporiopsis subvermispora
2001 - IRG/WP 01-10411
…and peroxidation of saturated and unsaturated fatty acids by Ceriporiopsis subvermispora strongly suggests involvement of lipid peroxidation in its ligninolytic system. In this paper, a new aliphatic lipid-related fungal metabolite was isolated from wood meal cultures of C. subvermispora and its chemical…
M Enoki, Y Honda, M Kuwahara, K Messner, T Watanabe
Stake test with ammoniacal copper in combination with different agents started in 1962
1997 - IRG/WP 97-30130
…chromium, arsenic, pentachlorophenol, boron, salicylic acid, benzoic acid, sorbic acid, pyridine and tannin. Different concentrations of the copper component were used as well as the added agents. For each concentration and test site, ten stakes of Pinus sylvestris L. sapwood were treated. The stakes were set out…
B Häger, Ö Bergman
Borate-treated food affects survival, vitamin B12 content, and digestive processes of subterranean termites
1990 - IRG/WP 1448
…applied in moistened cellulose were (a) 0.05% boric acid equivalent (BAE) of disodium octaborate tetrahydrate, (b) 0.05% BAE of anmonium pentaborate plus sodium sulfate, (c) antibacterial control 0.09% streptomycin D, (d) untreated control-moistened cellulose, and (e) starvation control-no food. The main…
L H Williams, S I Sallay, J A Breznak
Proceedings from the wood preservation symposium "The Challenge - Safety and Environment" 19-20 February 1990, Cannes, France
1990 - IRG/WP 3600
…Approche méthodologique. (IRG/WP/3586)
The effect of acid rain on CCA treated timber. (IRG/WP/3579)
Studies on the mobility of arsenic, copper and chromium in CCA-contaminated soil. (IRG/WP/3571)
Radical changes in the requirements for rnore safe pressure impregnation in the Nordic countries in 1988.…
Anonymous
CCA fixation experiments. Part 2
1989 - IRG/WP 3505
…chromium and arsenic, as well as using a chromotropic acid test to detect the presence of chromium VI. Both methods provide useful information on the CCA fixation process and illustrate that chromium VI disappears as CCA becomes fixed within wood.
W S McNamara
Remedial ground-line treatment of CCA poles in service. A progress report after 28 months' testing
1988 - IRG/WP 3481
…carried out with boron rods, boron/glycol solution, boric acid paste, copper/creosote paste and a commercial product (DFCK paste) respectively. The micro-flora before remedial treatment and 6 months after as well as the spread of chemicals in the poles were reported in Document No: IRG/WP/3388. In this progress…
B Henningsson, H Friis-Hansen, A Käärik, M-L Edlund
Diffusion treatment of gauged radiata pine timber using "Boracol 20"
1987 - IRG/WP 3437
Green gauged 100 x 50 mm radiata pine timber was preservative treated by brush application of "Boracol 20" followed by diffusion storage. Preservative retention analyses indicated that retention requirements in the core could be achieved within a six week diff…
D R Page, P Vinden, S Retter
Effect of Cinnamomum kanehirae Extractives on the Compositions of the Fermentation Broth of Antrodia cinnamomea
2007 - IRG/WP 07-10632
…107 cfu/ml. The active fungal ingredient, dehydroeburicoic acid, was found to increase with the addition of C. kanehirae extractive fractions according to the HPLC analysis. The C. kanehirae extractives were effective DPPH free radical scavengers which masked the antioxidant effect of the fungal broth.
Ruo-Yun Yeh, Yuan-Min Shen , Shang-Tzen Chang
Efficacy of linear chain carboxylic acid anhydrides as wood protection chemicals
2002 - IRG/WP 02-30295
…assessment of the effectiveness of linear chain carboxylic acid anhydrides namely, acetic, propionic, butyric, valeric and hexanoic anhydride, in improving the decay resistance of Corsican pine (Pinus nigra Schneid) sapwood. Wood-anhydride bond formation was verified by the increase in sample weight and volume. A…
A N Papadopoulos, M D C Hale, C A S Hill
Multifactorial analysis of the reasons behind wood natural durability
2025 - IRG/WP 25-11065
…of cellulose, lignin, hemicellulose using nitric acid, sulfuric acid or sodium chlorite, respectively. Py-GC-MS was used to determine lignin/polysaccharides ratio and those of the different lignin monomers like syringyl/guaiacyl ratio. Extractives contents were obtained after Soxhlet extraction with four…
L-F E Nkogo, M S M Mouendou, S Dumarçay, P E Engonga, F Zannini, E Gelhaye, P Gérardin
Distribution of Crystalline Cellulose-Binding Domain CBM104 in Wood Rotting Fungi
2025 - IRG/WP 25-11073
…(cellulose II and IIII) or amorphous cellulose (phosphoric acid swollen cellulose). Further investigation of its binding sites suggested that, unlike CBM1, which interacts with the hydrophobic surface of cellulose, GtAA9-CBM104 preferentially binds to hydrophilic cellulose regions. To determine whether other CBM104…
Y Kojima, N Sunagawa, M Aoki, S Tagawa, M Wada, K Igarashi, M Yoshida
Investigation of oxalic acid production in brown-rot fungi
2025 - IRG/WP 25-11074
…iron, hydrogen peroxide, reducing agent, and oxalic acid are involved in generating hydroxyl radicals that attack the components of wood cell wall. In the present study, oxalic acid production was monitored in the brown-rot fungi Gloeophyllum trabeum, Fomitopsis pinicola and Coniophora puteana. The results…
S Matsumoto, R Tsukida, T Ito, M Iritani, M Yoshida
Functional Analysis of Cellobiose Dehydrogenase from the Saprotrophic Basidiomycete Coprinopsis cinerea
2025 - IRG/WP 25-11076
…of three-dimensional structure prediction using the amino acid sequence.
Y Sakka, A Hosaka, M Yoshida
From Wet to Preserved: Collecting Data of Waterlogged Wood Treated with PEG in Lanyan Museum and Study the Effect of Molecular Weight on Dimensional Stability
2025 - IRG/WP 25-11080
…decay. The pretreatment uses 2% ethylenediaminetetraacetic acid and 10% sodium hydroxide. For freeze-drying treatment, the wood is first immersed in liquid nitrogen, submerged over its surface, placed in a -80 °C refrigerator, and then placed in a freeze-dryer. The submerged wooden artefacts are placed in 30%…
K-L Huang, P-Y Kuo
Citric acid/urea derivatives as an anti-discolouration treatment for wood surfaces
2025 - IRG/WP 25-20741
…biological attack. This article explores the use of citric acid and urea as surface protection of wood. The heating of citric acid and urea can result in the fluorescent carbon dots. These carbon dots can absorb UV light with the emission of the visible light. The carbon dots are the precursor of the insoluble…
C-F Lin, O Myronycheva, D Jones, O Karlsson
Are we barking up the right tree? - the use of bark residues in wood protection
2025 - IRG/WP 25-20742
…the potential of bark residues, particularly suberinic acid, tannins and other polyphenols, in wood protection applications, including coatings, adhesives, and fire retardants. Several European projects have been initiated to develop innovative wood treatment formulations utilising the bark's natural protective…
A Treu, M Altgen, M Sipponen, M Borrega
CIOL Wood - Scientific Innovations in Wood Modification for Enhanced Performance and Usage
2025 - IRG/WP 25-20743
…a biobased formulation based on sorbitol and citric acid, CIOL® enhances wood's chemical structure, improving its durability, stability, and resistance to decay. This paper provides an overview of the advancements made in CIOL® technology, including its improved fire protection properties, enhanced…
E Larnøy, A Treu, M Diraison, M Smith, A Audouin, P T Lewandowski, J Biørnstad