Your search resulted in 102 documents. Displaying 25 entries per page.
Variation in coating hardness during the EN 927-6 weathering test: influence of pigmentation
2016 - IRG/WP 16-40739
…of the Internal Comparison Product, a semi-transparent alkyd stain described in EN 927-3, as well as its unpigmented version. Previous studies have shown that Persoz hardness was a useful property to study performance of exterior wood coatings exposed to natural and artificial tests. In this work, in addition of…
L Podgorski, L Malassenet, C Reynaud
How to Increase the Lifespan of Exterior Wood Coatings
2015 - IRG/WP 15-40700
…performance. Understanding how different type of resins (alkyd, acrylic or polyurethane), amount of pigments, type of solvents (organic or water), and major additives will affect coating performance on wood, helps coating formulators to develop more durable coatings. It is beneficial for both wood scientists and…
M Nejad
Investigation of Dimensional Stability and Coating Performance of Different Heat-Treated Poplar Wood Before and After Accelerated Aging
2015 - IRG/WP 15-40702
…air, steam and linseed oil media. Specimens were coated by alkyd based stain. Adhesion strength before and after aging, long term water absorption and volumetric swelling were studied and analyzed statistically. The results showed that heat treatment increases the adhesion strength (especially in air and steam). By…
A Talaei, D Ansari Movahed, G Rassam
Preparation of Copper Rosinate Emulsion and Its Resistance against Wood Decay Fungi
2013 - IRG/WP 13-30619
…with 0.5%, 1.0%, 1.5%, or 2.0% of the copper rosinate emulsion. A two-week leaching test proved that the copper was well fixed in the wood, and the leaching rates of copper were only around 15%. Wood decay resistance was measured by a soil-block culture method with Trametes versicolor and Gloeophyllum trabeum as…
Mingxin Zhang, Shujun Li, Qian Wang, Bo Li, Qiong Wu
Performance of biocide-free preservative-protective systems modified with organosilicon compounds
2013 - IRG/WP 13-30628
…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 scope of the research…
B Mazela, P Hochmańska, T Krystofiak
Accessibility of Wood Cell Walls to Well-defined Platinum Nanoparticles
2012 - IRG/WP 12-20494
…this hypothesis by treating pine sapwood with an aqueous emulsion of coated, inert, platinum nanoparticles (2-4 nm). A focused ion beam was used to make ultra-thin sections of the cell wall layers of earlywood tracheid and ray parenchyma cells excised from treated southern pine sapwood. High resolution transmission…
H Matsunaga, Y Kataoka, M Kiguchi, P D Evans
Effects of intumescent formulation of vinyl acetate-based coating on flame-retardancy of thin painted red lauan (Parashorea spp.) plywood
2011 - IRG/WP 10-40537
Using intumescent coatings on wood-based materials is an effective method for fire safety. The intumescent coatings consist of four major components: (1) binder resin (BR), (2) carbonizing substance (CS), (3) foam producing substance (FPS) and (4) dehydrating…
Chih-Shen Chuang, Kuang-Chung Tsai, Te-Hsin Yang, Ming-Kuang Wang, Chun-Han Ko
Ambient-temperature borate dip-diffusion treatment of green railroad crossties
2011 - IRG/WP 11-40556
…DOT at ambient temperature in a high-concentration borate emulsion. In an initial test, freshly-sawn crosstie sections of three common wood species (sweet gum, red oak and white oak) were dipped for three minutes in one of five different concentrations (25-50%) of borate emulsion at approximately 10oC. It was found…
Jae-Woo Kim, A M Taylor, C Köse
Treatment of Scots pine wood with oil in water and water in oil emulsion systems: Effects on boron leaching and water absorption
2010 - IRG/WP 10-30535
…and water repellent efficiency of oils and oil water emulsions [oil-in-water (O/W) and water-in-oil (W/O)] and possibilities of reducing the amount of boron leaching from treated wood. Scots pine wood samples treated with waste or sunflower oil and water formulations contained 3%BA. The level of water…
E D Tomak, Ü C Yildiz, A Can
Sorption properties of wood impregnated with aqueous solution of boric acid and montan wax emulsion
2010 - IRG/WP 10-40492
…of, one of the possible water repellent, the montan wax emulsion, on the moisturizing and the sorption characteristic of impregnated wood was investigated. To achieve a better protection against wood decay fungi, montan wax emulsion enriched with boric acid, was used for impregnation of wood. The equilibrium…
B Lesar, M Humar
Assessment of mould growth on coated wood - methods and application
2009 - IRG/WP 09-20423
…processing was compared and the methods showed conformity. Alkyd modified acrylic coatings were found to perform significantly better than pure acrylic and modified alkyd coatings.
L Ross Gobakken, C M Whist, O Høibø, P J Hovde, E Larnøy
Leaching properties of copper and triazole
2009 - IRG/WP 09-30509
…equivalent retention of TEB in the copper triazole and in emulsion type.
Zhiqiang Li, Xiaowen Li, Ying Zhang, Mingliang Jiang
Modification of Wood by a Water-Repellent Compound Used in the Textile Industry: Boron Release and Termite Resistance
2009 - IRG/WP 09-40447
…and oil repellent compound, FORGUARD M®, a weak cationic emulsion containing dipropylene glycol monomethylether, water and solids in its formulation and used in the textile industry. There were two different processes for preservative treatments: double and single treatments. The leaching process was conducted…
S N Kartal, E Terzi, B Erilkun, Y Imamura
Use of wax emulsions for upgrading of wood properties
2009 - IRG/WP 09-40451
…into the wood. In order to overcome this issue, water emulsions were applied in present experiment. Five water emulsions of various concentration was used namely; two emulsions of montan wax (LGE, MW1), emulsion of polyethylene (WE1), emulsion of ethylene copolymer (WE3) and emulsion of oxidized polyethylene…
B Lesar, F Pohleven, M Humar
Selection of an appropriate coating system for wooden boats to be used in fresh water
2009 - IRG/WP 09-40472
…The best performance was exhibited by the urethane alkyd resin based coating system, so it was suggested to the pletnja boat owners. However, other seven tested systems performed adequately as well.
M Petrič, B Kričej, A Logar, M Pavlič
Influence of Polyvinyl acetate emulsion (PVA) on boron leaching and fungicidal properties
2008 - IRG/WP 08-30451
…boric acid, borax were combined with polyvinyl acetate emulsion (PVA). For comparison copper salts were included into this research as well. Selected preservative solutions were chosen for impregnation of Norway spruce wood specimens (Picea abies). Wood blocks were exposed to three wood decay fungi Antrodia…
M Humar, B Lesar, P Kralj
The efficacy of commercial silicones against blue stain and mould fungi in wood
2008 - IRG/WP 08-30471
…were vacuum pressure impregnated with quatsilicone micro emulsion (<40 nm particle size), aminosilicone macro emulsion (110 nm) and silicone macro emulsion with alkyl modified side groups (740 nm) and the resulting material properties were studied. Quatsilicone micro emulsion resulted in maximum bulking (4.8%)…
S C Ghosh, C Mai, H Militz
Biological efficacy of micronized copper systems
2008 - IRG/WP 08-30485
…is present as either a soluble quat or an azole containing emulsion. This testing generally used the amine based counterpart as the control preservative system and the micronized formulations perform as well or better than the amine formulations. In 5 year field stake tests in Gainesville, FL, the micronized copper…
C R McIntyre, M H Freeman
Growth and succession of mould on commercial paint systems in two field sites
2007 - IRG/WP 07-30421
…included in the study were water-borne and solvent-borne alkyd primers, water-borne mixed alkyd/acrylic paints, water-borne alkyd paints, water-borne acrylic paints and solvent-borne alkyd paints in different combinations. Untreated spruce was used as a control. The panels were exposed outdoors for 16 months and…
L Ross Gobakken, K M Jenssen
Blue Staining of Coated Modified and Unmodified Wood
2006 - IRG/WP 06-10589
…layers to prevent modified wood from staining. However, alkyd solventborne finishes can play an important protective role against blue stain infestations of unmodified wood. Acrylic waterborne stains, due to their high permeability, exhibit lower efficacy.
M Petric, M Pavlic, M Humar, M Tomažic
Specific gravity and moisture content of particleboards treated with various chemicals
2005 - IRG/WP 05-40310
…urea-formaldehyde, 10 % ammonium clorure, 10 % rosin, 20 % alkyd resin, 5 % boric acid, 7 % ammonium sulfate, 10 % tanalith-CBC, 5 % borax, 1.76 % immersol-WR 2000, 2.5 / 2.5 % boric acid/borax, 5 / 2.5 / 2.5 % tanalith-CBC/boric acid/borax.
According to the result of this study; for all of the particleboards, the…
Ü C Yildiz, A A Var, H Kalaycioglu, S Yildiz
Decay and termite resistance of wood treated with boron-containing quaternary ammonia compound, didecyl dimethyl ammonium tetrafluoroborate (DBF) incorporated with acryl-silicon type resin
2004 - IRG/WP 04-30334
…(DBF) incorporated with acryl-silicon type resin emulsion. DBF is a quaternary ammonia compound and contains boric tetrafluoride (BF4-) as a counter ion in its chemical structure. In the study, DBF was incorporated with an acryl-silicon type resin to increase water-resistant of the preservative solution,…
S N Kartal, W J Hwang, K Shinoda, Y Imamura
Minimisation of the Environmental Impacts of Coatings on Exterior Wood by Optimisation of their Life Spans
2003 - IRG/WP 03-50197
…The discussed coating systems are a solvent-borne alkyd coating, a water-borne acrylic coating, a water-borne acrylic stain, a solvent-borne alkyd stain and an alkyd oil.
L Strömberg
Performance trials of treated hardwood fences
2002 - IRG/WP 02-30281
…with PEC (pigment emulsified creosote) or PROCCA (an oil emulsion of CCA). Treated posts of these species were also compared with a naturally durable species used for posts, E. camaldulensis (river red gum). As the sawn timbers were mostly heartwood, penetration depths achieved were generally poor. The effect of…
L J Cookson D Scown, B Iskra
Laboratory Evaluation and Field Trial of Chlorothalonil and Copper-based Preservatives and Leaching Performance of Copper in Copper Treated Wood
2002 - IRG/WP 02-30279
…oil formulation is better than that of treated with emulsion formulation. ACQ-B and CC treated wood at different retention level are effectively resistant to decay and termite after 36 monthr field trial at Guangzhou, south China. Leaching rate of copper of CC treated wood is much higher than that of CCA and…
Mingliang Jiang, Ping Wang, Chungen Piao, Zhaobang Li, Quan Lu, Lei Liu