Your search resulted in 1151 documents. Displaying 25 entries per page.
Monitoring of wood preservatives exposed to weathering: Extraction and analysis methods of organic biocides from treated wood and collected rain runoff
2020 - IRG/WP 20-30753
…is the cause of numerous damages for outdoor joineries. Protection of wood using a preservative treatment covered with a coating is a process widely used to limit these damages. However, biocides from preservative treated wood are prone to degradation and leaching, having a direct influence on the joinery service…
O Ouali, K Le Ménach, E Raphalen, L Podgorski, S Legay, H Budzinski
Performance of biocide-free preservative-protective systems modified with organosilicon compounds
2013 - IRG/WP 13-30628
…aimed for outdoor use. The investigations were made for biocide-free systems based on alkyd resin and natural oils modified with alkylalkoxy-, amino- and glycidoxysilanes. The special attention was paid on the influence of hydrophobic properties of wood surface on the resistance to abiotic and biotic factors. The…
B Mazela, P Hochmańska, T Krystofiak
Long-term efficacy of wood dip-treated with multicomponent biocides
2005 - IRG/WP 05-30379
Biocides designed for prevention of indoor mold growth on wood-based materials need to provide long-term protection under conditions of high humidity. Specimens of kiln-dried southern pine and unseasoned southern pine, aspen, and Douglas-fir were dip-treated…
C A Clausen, V W Yang
Multicomponent biocide systems protect wood from decay fungi, mold fungi, and termites for interior applications
2004 - IRG/WP 04-30333
…prevent spore germination and provide long-term protection under conditions of high humidity. Fungicides intended for indoor use must be nontoxic, nonvolatile, odorless, and hypoallergenic. Multicomponent systems were tested in AWPA soil block tests for inhibition of brown-rot and white-rot fungi, and ASTM…
C A Clausen,V W Yang
Environmentally benign wood preservatives based on organic biocide antioxidant combinations: A brief review of laboratory and field exposure results and discussion of a proposed mechanism
2004 - IRG/WP 04-30335
The combination of various organic biocides with commercial antioxidants generally increased the biocides’ efficacy 2-3 fold against wood-destroying fungi in short-term laboratory decay tests, and some positive results have been obtained after 2-4 years of outdoor exposure. The two…
T Schultz, D D Nicholas, W Henry, C Pittman, D Wipf, B Goodell
Effect of soil parameters on biocide depletion: laboratory and field studies of water- and emulsion-borne preservatives
2000 - IRG/WP 00-30234
…soils from the two sites. All wood samples were defect-free southern yellow pine (SYP) sapwood, with the field stakes measuring 19 x 19 x 457 mm3 and the fungus cellar samples measuring 5 x 19 x 250 mm3. The field samples were exposed for two or three years and the fungus cellar samples for 36 weeks, after which…
T Schultz, D D Nicholas, D E Pettry, M G Kim
What is OECD doing to promote harmonization of biocide regulations
1999 - IRG/WP 99-20182
OECD began work on biocides in 1997 to help Member countries co-operate in the assessment and registration of these products. The work is a part of OECD's Pesticide Programme, and is co-ordinated by the Biocides Steering Group. The goal is to harmonize regulatory…
M Paneli, N Grandy
Enhanced Termite Resistance of Low Durability Fast Growing Teak Wood by Non-Biocide Treatments Based on Chemical and Thermal Modification
2025 - IRG/WP 25-30818
Short rotation teak as a fast-growing tree can be considered as a renewable material resource for the future green economy. However, short rotation teak wood is susceptible to biodeterioration, particularly to termite attack. The objective of this work was to…
R Martha, K Candelier, M-F Thévenon, B George, I S Rahayu, W Darmawan, P Gérardin
Hyperspectral imaging in qualitative and quantitative assessment of biocide treated timber
2025 - IRG/WP 25-50407
…collect spectral profiles of timber treated with different biocides and varying concentrations of a copper-ethanolamine based wood preservative. The spectra were analysed using statistical methods like principal component analysis, linear discriminant analysis, and partial least squares to assess the differences…
J Levanič, E Keržič, B Lesar, M Humar
Protection of cellulose string with biocide/water repellent mixtures
1997 - IRG/WP 97-30148
…string. Water repellents improved the efficacy of some biocides. Further trials are underway to evaluate combinations of biocides.
A B Chang, J J Morrell
Non agricultural biocide directive. Practical proposals of implementation in the case where biocides are wood preservatives
1995 - IRG/WP 95-50040-24
This project of non-agricultural biocide directive has currently an extremely wide scope of pre-marketing authorization of substances and preparations used in numerous applications, other than agricultural. Elaborated on the 86/414/EEC model of the phytopharmaceutical product directive, the…
G Ozanne
Exemplary aboveground hardwood protection from Coptotermes curvignathus under weathered conditions conferred by proprietary microemulsion-based cypermethrin (SARPECO®) and permethrin (AXIL®) biocides
2019 - IRG/WP 19-30749
…for dipping treatment providing 25 years of termite protection for solid wood and wood-based products in Europe and for more than 10 years in Indonesia. SARPECO® and AXIL® solutions are patented formulations based on concentrated microemulsions (ME) diluted with water as a dipping treatment but also for…
D Messaoudi, A H H Wong, C A D Tawi, N Bourguiba, O Fahy
Influence of different triazoles as co-biocides in wood preservatives on efficacy and the environmental impact
2018 - IRG/WP 18-50333
…the efficacy and impact on the environment of different co-biocide triazoles in wood preservatives. Four different formulations (all containing 9.5% Copper) contained individual and combinations of cyproconazole, tebuconazole, propiconazole as co-biocides. Four formulations were tested according to EN 113 and EN 84…
M Klamer, T Jensen, S Bang-Achton, E Morsing
Influence of Exposure Direction on Leaching of a Biocide from Painted Wood Surfaces
2014 - IRG/WP 14-50303
…East, South and West on the cumulative quantity of a biocide leached from painted wood surfaces due to rainfall and the consequences for the risk assessment.
The study included a solvent-borne primer without biocides and a topcoat protected with a biocidal active substance. Both products were applied by…
M Klamer
Post-Manufacture Biocide Treatment of Engineered Wood I-Joists
2012 - IRG/WP 12-40596
…has come an increasing need to be able to treat them with biocides to prevent attack from decay fungi and termites during service. Historically, the only ways to treat engineered wood I-joists were either by treatments of the individual components during their manufacturing processes or by a post-manufacture…
A S Ross, R W Clawson
Copper preservative systems: A rapid investigation into effects of co-biocides and used treating solutions
2010 - IRG/WP 10-30541
…brown rot fungi, Postia placenta. The American Wood Protection Association E22 protocol was used to compare the relative efficacy of preservatives by monitoring compressive strength losses of the systems in southern pine wood. As information, the weight losses were also measured and the relative ranking of…
T F Shupe, K Ragon, Q Wu, M H Freeman, C R McIntyre
Conditions and possibility of nanobiocides formulation for wood protection
2008 - IRG/WP 08-30467
During development of nanobiocides for wood protection the need to identify mineral composition of wood in respect of trace elements and nourishing conditions of wood destroying fungi in relation to these elements was discussed.
J Wazny, A Kundzewicz
Degradation of polychlorinated organic biocides by the wood decaying fungi
2008 - IRG/WP 08-50253
Organochlorine biocides such as lindane, pentachlorophenol sodium salt, and polychlorinated biphenyl 153 have been widely used as wood preservatives. Due to their low degradability by soil bacteria, treated waste wood products pose a serious threat to the environment.…
I Vidic, L Zupancic-Kralj, K Sepcic, F Pohleven
A Comprehensive Review of Copper as a Biocide, with a Focus on Micronized Copper
2008 - IRG/WP 08-30486
This paper reviews the wood preservative biocide active ingredient copper and delvers into new and previously unpublished data regarding the new micronized formulations which are now in vogue and widespread use in N. America in all residential treated lumber markets. Included in this review is the…
M H Freeman, C R McIntyre
Potentiality of use extracts from Tetraclinis articulata like biocide against wood destroying organisms: Reticulitermes santonensis
2007 - IRG/WP 07-30418
…EN 118 allow validate the use of essential oil like biocide.
F El hanbali, N Amusant, F Mellouki, M Akssira, C Baudasse
Biocide Treatments for Wood Composites - A Review
2006 - IRG/WP 06-40323
…are in-process and post-process treatments. Various biocides are covered as are methods of application. Novel treatments and technologies are also presented.
J W Kirkpatrick, H M Barnes
The bacterial transformation of organic biocides; a common mechanism?
2006 - IRG/WP 06-10585
It was found that a number of unformulated organic biocides showed a susceptibility to degradation by proteobacteria. Exposure of tebuconazole, a candidate biocide, chlorothalonil and IPBC to a Ralstonia strain was found to result in biocide detoxification, as demonstrated through HPLC and a bioassay.…
D F Wallace, D J Dickinson
Aboveground Microbial Decay Test of Biocide Treated and Untreated Wood Exposed to Danish and Humid Tropical Climates
2004 - IRG/WP 04-20306
…Scandinavian and European manufacturers of wood protecting biocides intending to challenge treated test specimens to this tropical condition. Of significance, by the ENV12037 lap-joint method, pine sapwood lap-joints were deteriorated to rating 3 (adopting a 5-point decay/stain rating scale) within 1.5 years at FRIM,…
A H H Wong, N Morsing, K H Henriksen, S Ujang
Studies on the Toxicity of IPBC and Other Biocides to Bacteria
2004 - IRG/WP 04-10544
…of IPBC; its degradation product PBC; a representative biocide, Bethoxazin; a representative disinfectant, BAC; and a representative antibiotic, tetracycline, to the six bacteria were measured. No significant correlation between IPBC-resistance and coresistance to the other chemicals was found.
A scheme for…
S R Cook, D J Dickinson
16S rRNA Analysis of the Bacteria Associated with Biocide Degradation
2004 - IRG/WP 04-10543
The bacterially mediated degradation of the new anti-fungal biocide, bethoxazin, was studied in vitro, by means of 16S rRNA PCR-amplification and cloning techniques. Woodblocks impregnated with a subtoxic concentration of bethoxazin were incubated in compost, and the micro-organisms associated with the wood after 6…
D F Wallace, D J Dickinson