Your search resulted in 378 documents. Displaying 25 entries per page.
Selective adsorption of antisapstain actives from two aqueous suspensions, and movement of actives into wood
1996 - IRG/WP 96-30103
…sawn Pinus elliottii (slash pine) boards were dipped in aqueous suspensions of two antisapstain formulations, NeXgenâ and Busanâ Sap Stain Preventative (Busan 1009), at three product concentration levels. Concentrations of active ingredients (NeXgen: CTL (chloro-thalonil) and MTC (methylene bisthiocyanate);…
M J Kennedy, T L Woods
Polyesterification of wood using sorbitol and citric acid under aqueous conditions
2018 - IRG/WP 18-40851
…modification process. Pine wood was impregnated with an aqueous solution containing citric acid and sorbitol and was thereafter cured at 103, or 140°C for 18 hours. The dimensional stability and leaching resistance were studied for both modification temperatures. The leachates from the modified wood samples were…
E Larnøy, A Karaca, L R Gobakken, C A S Hill
The use of new, aqueous chemical wood modifications to improve the durability of wood-plastic composites
2017 - IRG/WP 17-40787
The wood flour used in wood-plastic composites (WPCs) can biologically deteriorate and thus the overall mechanical performance of WPCs decrease when exposed to moisture and fungal decay. Protecting the wood flour by chemical modification can improve the durabi…
R E Ibach, C M Clemons, G C Chen
Dynamic mechanical analysis (DMA) of nano cupric oxide (CuO) modified aqueous phenol formaldehyde (PF) resin
2014 - IRG/WP 14-40654
Phenol formaldehyde (PF) resins, modified by nano CuO incorporating alkane surfactant and polyvinyl alcohol (PVA) 17-99, were analyzed by dynamic mechanical analysis (DMA). The mechanical properties of its bonded plywood including tensile strength, modulus of…
Wei Gao, Guanben Du
Sorption properties of wood impregnated with aqueous solution of boric acid and montan wax emulsion
2010 - IRG/WP 10-40492
Non-biocidal techniques for wood protection become more and more important, nowadays. One of the possible treatments is use of water repellents. In the present research influence of, one of the possible water repellent, the montan wax emulsion, on the moisturi…
B Lesar, M Humar
Effects of timber surface properties and dipping conditions on uptake of antisapstain actives from two aqueous suspensions, and ultimate effects on efficacy against mould and staining organisms
1995 - IRG/WP 95-30073
…sawn Pinus elliottii (slash pine) boards were dipped in aqueous suspensions of two antisapstain formulations, and the resultant surface retentions of active ingredients MTC (methylene bisthiocyanate), CTL (chlorothalonil) or TCMTB (2(thiocyanomethylthio)benzothiazole) were monitored by chemical analysis. Surface…
M J Kennedy, T L Woods
Decomposition of biocides in aqueous media cases of MTC and TCMTB
1993 - IRG/WP 93-50001-26
…of pH, temperature and ultraviolet irradiation in aqueous media. The results show that the higher the pH (the more basic) and the higher the temperature, the easier these biocides decompose, liberating other compounds, essentially cyanide and thiocyanate ions CN¯ and SCN¯ along with organic decomposition…
R Perraud, M Papazian
Improvement of some technological and biological properties of poplar wood by impregnation with aqueous macromolecular compounds
1992 - IRG/WP 92-3721
Poplars (Populus spp) belong to the most important tree species in afforestation programs of the Netherlands. Due to their rapid growth, the wood quality is usually low. Therefore, studies were performed to elucidate whether some technological properties and t…
R D Peek, H Militz, J J Kettenis
Effect of aqueous polymer treatments on wood properties. Part 2: Mechanical properties
1990 - IRG/WP 3611
…and southern pine (Pinus spp.) was treated with either aqueous polyacrylate or aqueous dimethyloldihydroxyethyleneurea (DMDHEU) solutions. Tests for static bending, toughness, and hardness were conducted on matched treated and untreated pieces according to ASTM Standards. Properties of pine were not affected by…
Z Ashaari, H M Barnes, D E Lyon, R C Vasishth, D D Nicholas
Effect of aqueous polymer treatments on wood properties. Part 1: Treatability and dimensional stability
1990 - IRG/WP 3610
…and southern pine (Pinus spp.) was treated with either aqueous polyacrylate or aqueous dimethyloldihydroxyethyleneurea (DMDHEU) solutions. Tests for dimensional stability were conducted on matched treated and untreated pieces. Measurement of the antishrink efficiency indicated that DMDHEU was a better stabilizer…
Z Ashaari, H M Barnes, R C Vasishth, D D Nicholas, D E Lyon
The effect of aqueous leaching on moisture uptake by CCA-treated blocks during soil burial
1987 - IRG/WP 2283
…lime (Tilia vulgaris Hayne) are presented. These show that aqueous leaching of CCA-treated wood prior to burial significantly reduces its subsequent moisture uptake from soil. In the case of lime, a reduction in the rate of microbial invasion and decay of leached, treated blocks, when compared with their unleached…
C A Green, G M Smith, B King
A laboratory evaluation of tributyltin ethanesulphonate as an aqueous fungicide in wood preservation
1983 - IRG/WP 3229
…leached and unleached wood test blocks, are reported for aqueous solutions of tributyltin ethanesulphonate against four Basidiomycete fungi, Poria placenta, Gloeophyllum trabeum, Coriolus versicolor and Coniophora puteana. An in situ study of the tributyltin compound in Scots pine and ponderosa pine sapwood has…
R Hill, P J Smith, J N R Ruddick, K W Sweatman
Wood Protection Using Nano Metal Oxides in Propylene Glycol
2022 - IRG/WP 22-30760
…decay more effectively than commercially available ZnO aqueous dispersion. CuO was more efficient in preventing decay than ZnO dispersion of same concentration. Nanodispersion provided termite resistance and 5% CuO treated specimens prolonged service life of treated wood specimens to more than one year. UV…
S Nair, G B Nagarajappa, K K Pandey
A novel wood preservation technology improving durability and water-related properties
2022 - IRG/WP 22-40926
…modification purposes. Scots pine sapwood was treated with aqueous solutions of this silicone oil and showed a penetration of the modification agent into the wood cell wall. Both, biological durability and moisture-related properties, experienced significant improvements by the modification. Besides, the modification…
L Emmerich, H Militz, M Vila
Development of a new method for wood hydrophobizing and fixation of copper compounds by chemical hardening of vegetable based modified oils
2016 - IRG/WP 16-40754
…of cuprous salts. Firstly, as biocide component an aqueous cuprous salt (Cu acetate) solution was embedded before the oil treatment. Secondly, an organic oil soluble copper soap (Cu octanoate) was incorporated directly into the oil component. It could be verified, that the oil can be hardened completely in…
C Swaboda, M Fischer, K Jacobs
Bio-based thermoset resins for bonding and eco-friendly preservation in the wood industry
2013 - IRG/WP 13-40650
Yellow dextrins and tannins were used in wood adhesives formulation to substitute resins based on formaldehyde. Several formulations were carried out in alkaline aqueous media by varying the weight fraction of two compounds from 10% to 30%. The cross-linking was performed using epichlorohydrin as a reticulant…
C Motillon, A Allal, A Visse, F Charrier, B Charrier, A Baldé
Effect of amphiphilic antioxidant alkyl ammonium ascorbate on inhibition of fungal growth: Application to wood preservatives formulation
2008 - IRG/WP 08-30466
…ascorbic acid and different fatty amines and evaluated for formulation of wood preservation products. Characterization of physicochemical properties of the new compounds indicated classical behavior of cationic surfactants. Antioxidant properties, estimated using methyl linoleate oxidation inhibition method, were…
C Gérardin , T Koumbi Mounanga, P Gérardin
Wood Protection by Commercial Silver Formulations against Eastern Subterranean Termites
2007 - IRG/WP 07-30422
The scope of this paper is to compare commercial formulations of aqueous products containing silver for their ability to prevent termite damage by Eastern subterranean termites in a no-choice laboratory test. Five commercial products were tested in order to explore a broad range of formulation and silver…
F Green III, R A Arango
Amine Oxides for Use in Wood Protection: I. A Formulation Adjuvant and Performance Enhancer for Wood
2007 - IRG/WP 07-30425
…paper highlights the advantages of using amine oxides as a formulation adjuvant and performance enhancer for different azoles. It was found that azoles are readily soluble in aqueous amine oxide solutions and form soluble concentrates. These azole/amine oxide concentrates have excellent storage stability and can be…
Xiao Jiang, L Walker
Addition of boron compounds and octanoic acid for improvement of biocidal properties and copper fixation at copper-ethanolamine based wood preservatives
2006 - IRG/WP 06-30408
…wood preservatives became important active substance (formulation) for wood protection, novelty. As copper itself can not ensure sufficient protection against wood destroying organisms and fixation in wood we combine it with other biocides like ethanolamine, boron and octanoic acid. This investigates were…
F Pohleven, M Humar
Fungicidal properties of boron containing preservative Borosol 9
2004 - IRG/WP 04-30348
…wood damaging insects. But because the tested boron formulation contain also nitrogen compounds, we wanted to verify if nitrogen as a nutrient could promote growth of wood rotting and blue stain fungi. Fungicidal activity of the boron based wood preservative Borosol 9 was evaluated according to the…
G Babuder, M Petric, F Cadež, M Humar, F Pohleven
Animal blood protein as a component of new, non-toxic wood preservatives fixing organic active compounds in wood
2003 - IRG/WP 03-30312
…from wood. A low weight loss of samples saturated with the formulation containing propionic and ethyl buthyl acids and animal protein applied in the form of SOLUTEINTM preparation was demonstrated. The degree of leaching of carboxyl acids as active constituents from wood saturated with tested mixtures was estimated…
B Mazela, I Polus
Biological test, AAS and EPR study of copper monoethanolamine complex with quaternary ammonium compounds as a wood preservative
2003 - IRG/WP 03-30321
…of Scots pine (Pinus sylvestris L.) treated with Cu-EA-QAC formulation. Mycological investigations were carried out according to EN 113 and EN 84 standards. The retention of the copper ions in the wood grows nonlinearly with concentration (in %) of the impregnating solution from 0,25 kg/m3 at 0.03% to 1,55 kg/m3 at…
B Mazela, I Polus, S K Hoffmann, J Goslar
Preservative treatments of window components with a water-based borate formulation
2000 - IRG/WP 00-40171
…finished window joinery components were treated with an aqueous borate preservative in order to investigate penetration and retention levels, associated drying times; and the potential impact of using a water-based treatment on finished items. It was found that by using borates applied by light double vacuum…
J Jermer, J D Lloyd
Durability and molecular analysis of fungal communities in wood exposed above ground
2025 - IRG/WP 25-11068
…and ncurri and a number of treated wood by copper-based formulations and alternatives (silanes, spiroborate esters, epoxidized linseed oil (ELO)-modified, citrus extractives and thermally modified wood) were accessed according to the standard ENV 12037. Molecular methods were employed to identify the variety of…
N Högberg, D Panov, G Daniel, N Terziev