Your search resulted in 215 documents. Displaying 25 entries per page.
Analysis and performance of spruce alternative species and discarded wood for windows production
2024 - IRG/WP 24-50386
…The laboratory tests included artificial ageing, various coating treatments, exposure to decay and soft rot fungi and the factor approach for estimating the resistance dose (DRd). In the field tests, large scantlings of the tested wood species were exposed to outdoor conditions at three different locations, with…
B Lesar, J Levanič, M Humar, A Treu
Determining the minimum water vapor permeability of exterior wood coatings by means of hygrothermal and decay models
2024 - IRG/WP 24-20717
…the minimum water vapor permeability of exterior wood coatings for log homes using hygrothermal and decay modeling. The approach is based on a worst-case scenario assumption, namely a moisture trap at a given wood moisture content in a coated wall log. The minimum limit of vapor permeability of the coating…
U Hundhausen, S Ullah, D Kraniotis
Algal growth resistance of paints for coating of wood; a laboratory study
1997 - IRG/WP 97-10213
…paint without fungicide addition. The solvent-borne alkyd paints and the alkyd emulsion paints were more inhibitory against growth of algae. Only some of the acrylic paints permitted any growth of the green alga Ankistrodesmus gracilis. Acrylic paints containing a commercial algicide inhibited the growth of…
J Bjurman
Exploring the potential for plasma-assisted coating at atmospheric pressure for wood protection
2023 - IRG/WP 23-40982
J Profili, G Laroche
Tree bark as a renewable source of wood protection materials for building applications (BarkBuild)
2023 - IRG/WP 23-30792
…of different bark-based chemicals in wood impregnation and coating, optimizing the treatment for different Nordic wood species, characterizing the material properties and performance related to different use classes, and developing a pre-treatment for refractory spruce wood.
The project also aims to reveal the…
A Treu, M Sipponen
Adhesion and performance of exterior wood coatings on chemically and thermally modified wood – Results from 5.5 years outdoor exposure
2023 - IRG/WP 23-40964
…modified specimens were coated with a waterborne acrylic coating system prior a natural weathering for 5.5 years according to EN 927-3 (2020). By frequent evaluations, the impact of chemical modifications and combined thermo-chemical modifications on the moisture dynamics and crack sensitivity of solid wood boards…
L Emmerich, H Militz
Short-term absorption of water and coatings on thermally modified blue-stained spruce wood
2023 - IRG/WP 23-40984
…The results shown in the water efficiency tests and coating resulted in a significant difference, which is related to the density of the wood.
R Hasanagic, M Bahmani, M Humar, L Fathi, L Cai
Optimization via artificial intelligence of intumescent coatings for wood substrates
2023 - IRG/WP 23-40987
…to optimize the chemical composition of an intumescent coating on wood substrates according to different fire criteria.
E Verret, S Duquesne, A Collin
The resistance of wood coated with different water-borne paints against colonisation by decay fungi
1996 - IRG/WP 96-10165
…previous weathering. Included in the study were five alkyd emulsion paints and five acrylic paints; one linseed oil paint and two solvent-borne alkyd paints. It was found that several components influenced the susceptibility of these paints. The results of the present study indicate that the particle size of…
J Bjurman
Evaluation of weathering and termite resistance of the Myoung-oil as a Korean traditional coating agent
2022 - IRG/WP 22-10996
This study investigated the applicability of Myoung-oil (MO) as an eco-friendly preservative of Korean wooden cultural properties and buildings. Wood test specimens painted with various concentrations of MO were exposed in the external environment. Then color…
S-M Yoon, Y Park, W-S Jeon, H-M Lee, J-G Park, K Dal Nam, W-J Hwang
Wood Protection Using Nano Metal Oxides in Propylene Glycol
2022 - IRG/WP 22-30760
Metals and metal oxides are known to have properties that can protect wood from degradation. Nanoparticles, due to its unique physical and chemical properties can enhance the protection to a much greater extent. Major constraints in dealing with nanoparticle d…
S Nair, G B Nagarajappa, K K Pandey
Durability against fungal decay of sorbitol and citric acid (SorCA) modified wood
2022 - IRG/WP 22-40928
…wood has to be treated either by applying a protective coating on its surface or by full-volume impregnation with antifungal chemicals. However, due to environmental and health concerns, the most frequently chosen solution, the use of biocidal preservatives, has become limited and new non-biocidal methods to…
K Kurkowiak, L Emmerich, H Militz
Comparative study of the properties of silicate coatings with different mineral pigments (titanium dioxide, iron (III) oxide, copper (II) oxide) on the surface of wood
2022 - IRG/WP 22-40936
Silicate coatings are attractive alternatives to conventional organic-based coatings for wood protection. In this work, silicate coatings were prepared with a potassium silicate binder modified with a methyl siliconate solution, and three types of mineral pigments…
A M Cheumani Yona, M Petrič
Premature adhesion failure of exterior wood coatings – The influence of substrate temperature at coating application and moisture accumulation during storage
2022 - IRG/WP 22-40937
…study aimed at extending the knowledge about premature coating failures of industrially finished wood cladding. Two potential factors were studied: the influence of substrate temperature at coating application and moisture accumulation during storage on the adhesion of waterborne coating systems. In the first…
U Hundhausen
Extraction of fungal colorants for their use in coloured coatings for wood
2022 - IRG/WP 22-40938
…known about the use of such colorants in wood protecting coatings. Therefore, the present work focused on the isolation of colorant producing fungi, cultivation of these fungi and extraction of their colorants to produce coloured coatings for wood protection. About 10 interesting organisms have been isolated from…
K Kusstatscher, N Pfabigan, M Senoner, L Orlowsky, A Steitz, B Forsthuber, S Niedermayer, R Gründlinger
Influence of weathering on the mechanical properties and performance of exterior wood coatings
2022 - IRG/WP 22-40951
Three commercial coatings were exposed to artificial (EN 927-6) and natural weathering (EN 927-3) on wood samples. Cracking was visually assessed as well as Persoz hardness. Free films of the same coatings were also exposed to the same weathering tests before their tensile…
L Podgorski, J-D Lanvin
Influence of hydrophobic agents on the leachability of boron
1995 - IRG/WP 95-30064
…primer have been applied to protect the inner surface and alkyd-resin and a varnish as surface coat. The results demonstrate that boron diffuses even at moisture contents below 20%. Thus leaching can not be affected by hydrophobic agents placed on the inner surface of wood because diffusion still takes place within…
A Peylo, H Willeitner
Influence of surface coating on the leachability of boric acid and bifluorides from spruce wood
1995 - IRG/WP 95-50050
…reseach was performed to show the possible influence of a coating system to hinder the leaching of the active ingredients. The results of the leaching tests show, that bifluorides and even more boric acid leach out in large quantities from non painted spruce wood. An alkyd paint reduces the emission to the greatest…
W J Homan, H Militz
Treatability of South African-grown Eucalyptus grandis with water-borne copper azole and disodium octaborate tetrahydrate wood preservatives
2021 - IRG/WP 21-40920
…being met such as the SANS 10005:2016 prescribed coating maintenance required for the latter treatment.
A A Alade, Z Naghizadeh, C B Wessels
Application of suberin fatty acids extracted from birch bark for wood coating
2021 - IRG/WP 21-40914
It is well known that chemical modifications to improve decay resistance also reduce the equilibrium moisture content (EMC) of wood. The mechanism of this action, however, has been the subject of much debate. Several groups have suggested that decay resistance…
A Kumar, Risto Korpinen, Veikko Möttönen
Performance of naturally durable decks after 15 years of field exposure
2020 - IRG/WP 20-10963
…of the less-durable western larch or tamarack. An initial coating of deck stain was associated with no change or slightly improved decay resistance.
R Stirling, D Wong
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
…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 life. This document deals with extraction and analytical methods…
O Ouali, K Le Ménach, E Raphalen, L Podgorski, S Legay, H Budzinski
Performance of a water-borne stain on beech, spruce, MDF and OSB improved by plasma pre-treatment
2020 - IRG/WP 20-40897
Coatings are an important part of wood protection, especially for outdoor applications. In order to provide a good protection, protective coatings need to exhibit good adhesion, mechanical resistance, and weathering resistance. Plasma pre-treatments are an…
S Dahle, J Žigon, I Uranjek, M Petrič
Biofinish: A Functional Wood Surface Treatment based on Aureobasidium
2020 - IRG/WP 20-40903
…based on linseed oil impregnation and a fungal-based coating. It emerged in the late 1990s and has been developed over the past 15 years into an industrially applicable process in the Netherlands. The combination of linseed oil impregnation and a surface treatment with the living fungus Aureobasidium extends…
S Rensink, M Sailer, S Roukens, J Gerber, H van der Mel, K Potgieter, J Spit, R Bulthuis, C Struck, M Bennink
PlasmaSolution – Curing of coating formulations using non-thermal plasmas
2020 - IRG/WP 20-40904
Coatings are an important part of wood protection, especially for outdoor applications. In order to provide a good protection, protective coatings need to exhibit good adhesion, mechanical resistance, and weathering resistance. Plasma pre-treatments are an…
S Dahle, J Žigon, M Petrič