Your search resulted in 76 documents. Displaying 25 entries per page.
Quantifying metal migration from a deck constructed with copper-azole-treated lumber
2024 - IRG/WP 24-50391
…deck made with hem-fir lumber pressure treated with copper azole-C (CA-C) to above ground contact retentions. The deck was constructed in 2021 and collection basins were installed beneath the deck at three locations. In each location basins were positioned so they would catch runoff from the deck surface boards only…
G Presley, M Konkler
Recent experiences in the protection of wooden cultural heritage in Europe with a novel wood preservative with vegetal extracts–permethrin-azole mixture
2023 - IRG/WP 23-11027
The paper presents recent treatment experiences in Europe for the preservation of cultural heritage with the bio-based gel-emulsion solution XILIX® containing SYNERKEM® technology, whose higher diffusion capacity has been proven (up to 8 mm pyrethroid penetr…
D Messaoudi, A Robert, A H H Wong
Treatability of South African-grown Eucalyptus grandis with water-borne copper azole and disodium octaborate tetrahydrate wood preservatives
2021 - IRG/WP 21-40920
…and heartwood of sawn Eucalyptus grandis with copper-azole (CuAz) and disodium octaborate tetrahydrate (DOT) water-borne preservatives towards improving its durability for enhanced use in structural solid wood applications. The results obtained showed that, at a moisture content of 12 ± 1%, sawn E. grandis…
A A Alade, Z Naghizadeh, C B Wessels
Evaluation of color and gloss in decorative applied to cases of Pinus radiata wood impregnated (D. Don) copper type C azole micronized
2015 - IRG/WP 15-20571
…to radiata pine wood treated with micronized copper azole (uCA-C), for outdoor use (R3) at a rate of 3.08 kg/m3 retention (T2). One decoration coating was applied before impregnation treatment: Prestain P (T3), and two, were applied in mixture with the uCA-C preservative Black Cylinder (T5) and Red Cylinder…
R Garay, M Inostroza
The resistance of composite boards protected with azole and inorganic nanoparticles to basidiomycetes and moulds
2015 - IRG/WP 15-40688
…metal nanoparticles, as well as on derivatives of 1,2,4-triazole, benzimidazole, and thiazole. The biocides have been added to the silicone adhesive prior to pressing the boards, in an amount of 0.6% by weight. Mycological examination was carried out against white-rot fungi Trametes versicolor and Pleurotus…
J Zabielska-Matejuk, I Frąckowiak, A Stangierska
Buffered Amine Oxide Treatment Systems for Imparting Water Based Azoles/Insecticides in Douglas Fir and Eucalyptus
2015 - IRG/WP 15-40707
…System has been designed to fully and completely impart azoles/insecticide wood preservatives into Douglas Fir and Eucalypt wood profiles.
R W Clawson Jr
Effect of exposure site on metal migration from copper azole, alkaline copper quat or chromated copper arsenate treated southern pine decking
2015 - IRG/WP 15-50313
Metal migration from chromated copper arsenate, copper azole or alkaline copper quaternary compound treated southern pine lumber was assessed at sites in Mississippi and Oregon. Metal levels tended to be consistently higher in decks exposed in Mississippi. Rainfall characteristics did differ slightly at the two…
J J Morrell, H M Barnes
Above and Below-Ground Copper-Azole and Copper, Chrome Arsenate Depletion from Pinus radiata and Fagus sylvatica at Thirteen New Zealand & Australian Sites
2008 - IRG/WP 08-30460
…a ground contact retention of copper amine plus tebuconazole (CuAz) and copper chrome arsenate (CCA) after approximately 5 years exposure to widely different soil and climate conditions. Site, wood species and their interactions had a dramatic and statistically significant effect on CCA and CuAz-treated pine and…
R Wakeling
Formation and Structure of Metal Azole Complexes
2008 - IRG/WP 08-30469
Divalent copper and zinc complexes with metal:azole ratio 1:2 were readily formed at room temperature with the fungicides tebuconazole and propiconazole. The structure of copper and zinc tebuconazole acetate and zinc cis-propiconazole chloride were examined by X-ray crystallography. In copper…
P D Evans, K J Schmalzl, C M Forsyth, G D Fallon, S Schmid, B Bendixen, S Heimdal
Effects of planning and sanding on penetration and retention properties of some softwood species treated with copper azole
2008 - IRG/WP 08-40410
…heartwood species with the waterborne preservative copper azole (CBA-A). A 2.4% active ingredient solution of CBA-A was applied for use in vacuum/pressure treatment of the heartwood samples. Two different woodworking treatment were used, namely planning and sanding. Maximum and minimum penetration values were…
Ü C Yildiz, S Yildiz
Effects of sodium hypochlorite on compression strength and copper retention of spruce wood treated with copper azole and alkaline copper quat
2007 - IRG/WP 07-40362
…L.) treated with the waterborne preservative Copper Azole, (CBA-A, Tanalith-E 3492) and alkaline copper quat (ACQ-2200). Before the copper azole and alkaline copper quat treatment, the samples were immersed in 500 ml of sodium hypochlorite solution for three different durations (2, 4, and 6 hours). A 2 %…
S Yildiz, E Dizman, A Temiz, Ü C Yildiz
Efficacy of copper:propiconazole and copper:citrate systems in ground contact exposure at a site with copper tolerant fungi
2003 - IRG/WP 03-30305
…kgm-3, as CuO), air-dried, then re-treated with propiconazole in a light organic solvent at 0.07, 0.3, or 0.7 kgm-3 retentions. In a separate study, SYP field stakes were treated with three levels of ACC to give 6.7, 13.4 or 29 kgm-3 retentions, or the same ACC levels plus citric acid at 38% of the CuO level.…
D D Nicholas, T Schultz
Impact of leachates from CCA- and copper azole-treated pine decking on soil-dwelling invertebrates
2002 - IRG/WP 02-50183
…and radiata pine-decking treated with CCA or copper-azole, were collected and applied on mown lawn soil in Brisbane, Queensland. The soil study consisted of 5 treatments: an independent control (replicates untreated), wet control (replicates treated with rainwater only), CCA, copper azole and kwila-extractive…
N Crumière, A House, M J Kennedy
Leaching of preservative components from pine decking treated with CCA and copper azole, and interactions of leachates with soils
2001 - IRG/WP 01-50171
Radiata pine decking was treated with CCA and copper azole preservatives to Australian H3 retention using conventional and modified Bethel schedules, and air-dried. Treated decking boards and durable hardwood controls were subjected to leaching in weather-exposed decks, and matching 19mm cubes were leached in…
M J Kennedy, P A Collins
Laboratory termite testing of copper boron tebuconazole
2000 - IRG/WP 00-20192
…test (AWPA E1-97) was performed on a formulation of copper azole, which is comprised of copper, boric acid, and tebuconazole. The formulation tested has a ratio of copper:boric acid:tebuconazole of 25:25:1. So as to examine the impact of leaching, the southern yellow pine wafers were treated with and without boric…
R F Fox, E A Pasek, J Patel
Comparative performance of copper azole and copper-chrome-arsenate treated rubber wood in Australian, Malaysian and New Zealand tests sites
2000 - IRG/WP 00-30213
…500 mm3) were treated to four retentions of CCA and copper azole (Tanalith® E) and installed in test sites in Australia, Malaysia and New Zealand . After 2- 4 years exposure, copper azole is out-performing CCA at equivalent retentions where a fungal hazard dominates. At the Malaysian test site, CCA proved the more…
J A Drysdale, M E Hedley, E Loh, L T Hong
Occupational exposure risk assessment at a commercial treatment plant using copper azole preservative
1998 - IRG/WP 98-50101-15
…operation.
TANALITH E is a commercially available copper azole wood preservative introduced as a chrome and arsenic-free alternative to CCA based on the actives copper, tebuconazole and boric acid. To assess operator exposure, extensive atmospheric monitoring was conducted around a TANALITH E treatment plant…
A S Hughes, M Connell
In-ground evaluation of a copper azole wood preservative (Tanalithâ E) at a tropical Australian test site
1996 - IRG/WP 96-30100
…of Pinus radiata D. Don impregnated with a copper azole formulation, TANALITHâ E, has been established at a tropical site in the Northern Territory of Australia. Four retentions of TANALITHâ E, containing 1.54, 2.08, 2.92 and 4.30 kg/m³ of Cu, are being evaluated. For comparison, Pinus radiata specimens…
J W Creffield, J A Drysdale, N Chew
A comparison of analytical and visual techniques used for assessment of weathering properties of chromium and copper azole treated timber
1994 - IRG/WP 94-20023
…timber exposed to natural weathering in service. Copper Azole treated timber and timber treated with chromium based preservatives showed good resistance to weathering.
J A Cornfield, M D C Hale, G Fettis
Development of a boron/polymer based new wood preservative
2025 - IRG/WP 25-20752
…that this new preservative is as effective as CCA and Cu-Azole in E-10 soil block tests. Ongoing aging tests in Hilo, Hawaii, USA, aim to evaluate the preservative's effectiveness under real-world conditions.
O Arroyo Fernandez, S Adab, L Gastonguay
Virtual reality of wood protection
2024 - IRG/WP 24-20727
…pine (Pinus spp.) treated with either micronized copper azole (MCA) or alkaline copper quaternary (ACQ) preservative, and a wood-plastic composite containing zinc borate as a biocide and a fire retardant. Students used VR to explore the distribution of silica in turpentine and copper in ACQ and MCA-treated pine.…
D Feng, Y Liu, M Turner, A Limaye, P D Evans
A new wood preservative system based on basic copper compound nanosols
2024 - IRG/WP 24-20728
…was added. The main ingredient of MCA (Micronized Copper Azole), the leading copper-based wood preservative in the current world market, is basic copper carbonate, which is applied by finely pulverizing several m-sized powder to an average size of tens to hundreds of nm using a bead mill. However, in this…
J O Kim, J-G Kang, Y-S Choi, S-M Yoon, H-M Lee, J-G Park
Copper migration from preservative-treated Douglas-fir decking: models vs laboratory leaching data
2024 - IRG/WP 24-50390
…copper zinc arsenate, alkaline copper quaternary or copper azole that had the potential to impact water quality while data from the experimental overhead leaching apparatus were often 10-fold lower. The data support the premise that the model is inherently conservative, but the dramatic differences suggest the need…
M J Konkler, G Presley, J J Morrell, T Singh
Field performance of MCA-treated wood in ground contact
2023 - IRG/WP 23-30782
Micronized Copper Azole (MCA) was evaluated for its ability to resist biodegradation at two Canadian test sites using Pacific silver fir and white spruce stakes, and lodgepole pine and red pine roundwood posts. After 12 years of exposure the treated stakes exhibited low to…
C Wilson, J Zhang, R Stirling
Effects of preservative impregnations on wettability and surface free energy properties of Eucalyptus grandis wood
2023 - IRG/WP 23-40978
…Hence, this study investigated the effects of copper azole (CA) and disodium octaborate tetrahydrate (DOT) preservative impregnations on Eucalyptus grandis wood wettability and SFE. Wettability was determined in terms of contact angles with polar (water) and non-polar (diiodomethane) probe liquids by sessile…
A A Alade, C B Wessels, H Stolze, H Militz