Your search resulted in 490 documents. Displaying 25 entries per page.
Bi-oleothermal treatment of wood at atmospheric pressure: resistance to fungi and insects, resistance to weathering and reaction to fire results
2008 - IRG/WP 08-40418
…using cheap facilities. The process includes two steps at atmospheric pressure. The first one is a dipping of wood samples in a hot oil bath (between 110 °C and 200°C) which creates an overpressure inside the wood. The second one is also a dipping in a oil bath but at a lower temperature (20°C to 80°C). In this…
L Podgorski, I Le Bayon, I Paulmier, J-D Lanvin, V Georges, D Grenier, H Baillères, J-M Méot
Exploring the potential for plasma-assisted coating at atmospheric pressure for wood protection
2023 - IRG/WP 23-40982
J Profili, G Laroche
Durability of surface preserved wood particle boards submitted to atmospherical influence
1995 - IRG/WP 95-40039
…irradiation, that's why for reaching high atmospheric resistance, it is very important, a durable protection of the WPBs with suitable coatings against the atmospheric influence to be ensured.
L Valcheva
Environmental impact of PCP and NaPCP in the aquatic and atmospheric compartment
1995 - IRG/WP 95-50040-06
…microalgae and daphnids and for their behaviour in the atmospheric compartment with a climatic chamber. Results of aquatic toxicity bioassays showed that toxicity was higher at low pH. This can be explained by the pKa value of 4.7 of PCP and the higher concentration of the non dissociated form of the pesticide at…
P Marchal, P Vasseur, G Ozanne
Influence of plasma treatment on the coatability of wood primer with a topcoat for exterior use
2025 - IRG/WP 25-30828
…objective was to evaluate the effect of low temperature atmospheric plasma treatment of the oil or alkyd primer on the adhesion strength of the acrylic or alkyd topcoat to the substrate with the primer. It was found that the oiled surface can be coated with the alkyd topcoat, while the adhesion of the waterborne…
M Petrič, L Albreht, N B Štrus, E Keržič, M Pavlič, J Žigon, S Dahle
Accelerated Weathering Performance of Impregnated Wood Samples Coated with Zinc by Means of Plasma-Assisted Particle Deposition
2016 - IRG/WP 16-30682
…by applying UV absorbing agents. In this study, the influence of zinc particles applied by a plasma process at atmospheric pressure against UV light was investigated. First, wood samples were impregnated with boric acid, tall oil or copper azole. After impregnation, the samples were coated with zinc (Zn)…
A Can, H Sivrikaya
The durability of natural and thermomodified black poplar wood and Scots pine sapwood after two years of external exposition
2016 - IRG/WP 16-40730
…to the exposure of the wood to the range of biological and atmospheric destructive factors. This may to limit the scope of application of the wood of these species, particularly in construction. The biocides are often used for wood protection in order to increase its the natural durability, which, however, under…
A Fojutowski, A Kropacz, A Noskowiak
The effect of initial moisture content on wood decay at different levels of gaseous oxygen concentration
1999 - IRG/WP 99-10316
The influence of initial moisture content on wood decay at different levels of atmospheric oxygen concentration was studied. Three fungi, Coriolus versicolor a white rot, Coniophora puteana a brown rot, and Chaetomium globosum a soft rot, were chosen. The mycelia…
S M Kazemi, D J Dickinson, R J Murphy
Interaction between AA9 lytic polysaccharide monooxygenase and PQQ-dependent pyranose dehydrogenase in cellulose degradation
2025 - IRG/WP 25-11075
…or absence of CBMs, as well as their different types, influence the ability of PDH to drive LPMO9 activity. As a result, it was shown that ability of LPMO9 from Gloeophyllum trabeum has more potential than other LOMO9 (LPMO9 from Neurospora crassa). Additionally, data showed there had different amount of…
H Murai, Y Kojima, E G Kommedal, V G H Eijsink, M Yoshida
From Wet to Preserved: Collecting Data of Waterlogged Wood Treated with PEG in Lanyan Museum and Study the Effect of Molecular Weight on Dimensional Stability
2025 - IRG/WP 25-11080
…2% chitosan dissolved in 0.1M acetic acid to explore the influence of dimensional stability and injection homogeneity, and evaluate the feasibility of improving dimensional stability. It is expected to solve the deterioration of waterlogged archaeological wood due to shrinkage and swelling, obtain low dimensional…
K-L Huang, P-Y Kuo
Influence of incising methods and wood moisture content on ‘deep penetration treatment’ in Japanese cedar and larch
2025 - IRG/WP 25-20749
…machining as alternative incising methods and examined the influence of wood moisture content on the preservative penetration. Various incising methods were applied to heartwood of Japanese cedar (Sugi, Cryptomeria japonica) and Japanese larch (Karamatsu, Larix kaempferi) with different moisture content, and the…
S Taira, T Miyauchi, S Isaji, H Matsunaga
Durability Analysis of Bio-based Phenol-Formaldehyde Resin-Treated Wood
2025 - IRG/WP 25-20753
…control groups. Japanese cedar specimens were treated by atmospheric pressure impregnation, after curing, placed in an outdoor weathering test site for six months of exposure. After exposure the earlywood surface of untreated Japanese cedar significantly whitened, while light coloured specimens darkened, and…
T-H Lin, P-Y Kuo
Investigation of a commercial fire-retardant additive on particleboard properties
2025 - IRG/WP 25-20755
…between 0 and 30 kg·m-3. The addition of fire-retardant influence properties of produced panels.
D Jones, S Medved, M Lawther
Decay resistance of thermally modified Eucalyptus grandis in closed and open systems
2025 - IRG/WP 25-30815
…(pressurised), and 170, 190, and 210 °C in open system (atmospheric pressure). A set of untreated wood was separated for comparison. We carried out laboratory tests of i) decay resistance against Trametes versicolor (white rot) and Coniophora puteana (brown rot); ii) hygroscopicity in a climate chamber, resulting…
D C Batista, A C Oliveira Rupf, M Wentzel, C Brischke, H Militz
Chestnut tannin-furfurylic resins for wood preservation: influence of the proportion of tannins as a copolymer
2025 - IRG/WP 25-30816
Tannin, which is present in all plants, is the most abundant polyphenol globally and can be extracted using water or organic solvents such as acetone, ethanol and methanol. Tannins are classified into two categories: condensed tannins (catechin-based polymers)…
J V Dorini-Falavinha, C Gerardin-Charbonnier, P Cademartori
The impact of common fire retardancy salts and minerals on further properties of wood
2025 - IRG/WP 25-30821
…calcium/magnesium phosphates. Colour stability under the influence of UV light was evaluated using a xenon tester and colour changes were evaluated according to the CIELab colour analysis. Additionally, Fourier-transform infrared spectroscopy was used to investigate the potential of the minerals to protect the wood…
T Franke, T Volkmer
Process Development in Continuous Wood Densification and the Influence of Ionic Liquids on Set-Recovery and Mechanical Properties
2025 - IRG/WP 25-30827
The densification of wood significantly enhances its mechanical properties, making low-density species more viable for high-performance applications. However, challenges such as set-recovery (SR) and production speed hinder large-scale adoption. This study inv…
D Jones, A Scharf, B Neyses, D Sandberg
Enhancing Wood Greying: A Study of Pre-Treatments and Iron(II) Sulphate Application
2025 - IRG/WP 25-41018
…already showed them earlier. FTIR analysis proved the influence of pre-treatment and natural ageing processes on the chemical surface composition.
B Lesar, M Humar, A Kordiš
Durability and service life of wood in constructions. The Spanish approach of European Standard EN 460
2025 - IRG/WP 25-41028
…This guidance includes information on factors that can influence the service life of a wood or wood-based product when considering biological degradation. This standard is a step toward the evaluation of the service life of a wood product. The durability of each component will deteriorate at a rate depending on…
D Lorenzo, J Fernández-Golfín, M Touza, A Lozano, J Benito
A multi-dataset validation study of moisture prediction in Norway spruce wood exposed outdoors
2025 - IRG/WP 25-41029
…resulting in fluctuating moisture contents that directly influence its long-term durability. Excess moisture above a critical threshold leads to deterioration by fungal decay, limiting the service life of the structure. Service life models thus rely on accurate predictive models of moisture behaviour. However,…
J Niklewski, C Brischke
Optimising properties of citric acid-sorbitol bonded particleboards with added ammonium dihydrogen phosphate as fire retardant
2025 - IRG/WP 25-41033
…content, while particle size did not significantly influence the results. The addition of ADP had a negative effect on mechanical properties but improved the thickness swelling. Boards with added ADP showed greater mass loss when exposed to 400 °C. A possible decomposition of ADP at elevated temperatures…
L Kopač, S Medved, B Lesar, M Humar
Investigation of Impregnation Factors for Biomass-Based Phenol-Formaldehyde Resins
2025 - IRG/WP 25-41044
…Therefore, this chapter aims to not only explore the influence of impregnation factors but also further evaluate the impregnation effectiveness on large-sized specimens, addressing the current research gap in this area. This study utilizes biomass-based PF resins synthesized according to Lin et al. (2025) to…
Y-C Huang, T-H Lin, P-Y Kuo
Towards Sustainable Wood Protection: PF resins-impregnated Paper Honeycombs and the role of Processing Parameters analysis by Response Surface Methodology
2025 - IRG/WP 25-41045
…examining the difference between vacuum-assisted and atmospheric impregnations. The entire experiments were designed and analysed through response surface methodology (RSM). Our results show vacuum-assisted impregnated specimens exhibited a smaller coefficient of variation and a higher weight percentage gained,…
Y-C Wu, P-Y Kuo
The potential of Wacapou (Vouacapoua americana) extracts to develop new biobased protective solutions for white woods
2024 - IRG/WP 24-20724
…extractive fractions. UHPLC-HRMS analyses showed the influence of extraction parameters on the nature of the extracted molecules. Wacapou’s extracts (from ethyl acetate maceration) showed good anti-fungal and anti-termite activities. In addition, the concentration in extractives had an impact of the…
E Kieny, K Candelier, L Milhe, Y Estevez, C Sophie, R Lehnebach, J Damay, D Florez, E Hoël, M-F Thevenon, J Bossu
Influence of the substitution of phenol with lignin cleavage products in phenol-formaldehyde impregnation resins for wood modification on the fungal decay resistance and impregnation depth
2024 - IRG/WP 24-30805
…the impregnation modification of wood. In this study, the influence of the substitution on the impregnation depth of the resin in Scots pine (Pinus sylvestris) sapwood, as well as on the fungal decay resistance of treated wood are described. The impregnation depth was studied by x-ray density profiling. The fungal…
J Karthäuser, L Tarentino, A Treu, H Militz, G Alfredsen