Your search resulted in 785 documents. Displaying 25 entries per page.
Enhancing strength, fire and biological resistance of wood through structural and chemical modification
2025 - IRG/WP 25-30831
…possesses inherent limitations such as susceptibility to biological, flame and mechanical damages, which can significantly shorten its lifespan, especially in harsh environments. Thus, enhancing the properties of wood to improve its durability, strength, and resistance to environmental factors has been a critical…
R Abouzeid, M S Koo, Q Wu
Biological durability and wood-water interactions of sorbitol and citric acid modified wood – Effects on the expected service life
2023 - IRG/WP 23-40960
A high level of research activities on sorbitol and citric acid (SorCA) modified wood has been recognized in Europe over the last few years. As this treatment is close to entering an industrial-scale production, it is of interest to investigate how such treate…
K Kurkowiak, L Emmerich, H Militz
A new approach to wood protection: Potential of biologically synthesised CuO and ZnO nanoparticle formulation as a wood preservative
2022 - IRG/WP 22-30758
…which are expensive and are not environmentally friendly. Biological synthesis of nanoparticles using plants, fungi, yeast, bacteria and viruses, has been accepted as an alternative approach and is referred to as green synthesis. Utilization of biologically synthesised nanoparticles is a new approach in wood…
Shiny K S, R Sundararaj, N Mamatha
Effect of nanoparticle impregnation on the biological durability of wood
2022 - IRG/WP 22-30772
This study evaluated the efficacy of five different nanoparticles (zinc-oxide, zinc-borate, silver, copper-oxide, copper-borate) applied with different concentrations against the brown rot Coniophora puteana and the white rot Coriolus versicolor. The generally…
M Bak, R Németh
Biological assessment of bio-based phase change materials in wood for construction applications
2022 - IRG/WP 22-40935
Solid wood can serve multi-functionality for energy savings in buildings. The study reveals the results of bio-deterioration and degradation of solid Scots pine wood used to incorporate single or multicomponent fatty acid mixtures as bio-based phase change mat…
S Palanti, A Temiz, G Köse Demirel, G Hekimoğlu, A Sari, M Nazari, J Gao, M Jebrane, T Schnabel, N Terziev
Biological durability for novel composites manufactured from green materials
2022 - IRG/WP 22-40960
…molding (VARTM) technique. Mechanical, physical, and biological properties of these novel green composite sandwich structures were evaluated. The results showed that the proposed engineered panels have superior mechanical properties that are suitable for different structural applications compared with…
A S O Mohareb, A H Hassanin, A A Badr, K T S Hassan, R Farag
Mechanical and biological durability properties against soft-rot and subterranean termite in the field (grave-yard test) of beech wood impregnated with different derivatives of glycerol or polyglycerol and maleic anhydride followed by thermal modification in an opened or in a closed system
2021 - IRG/WP 21-40917
This paper presents mechanical and biological durability properties in soil beg test (soft-rot test) and field test (grave-yard test) against subterranean termite of the wood modified with an aqueous vinylic derivative of glycerol/polyglycerol or maleic anhydride cured in an opened or in a…
M Mubarok, H Militz, S Dumarcay, I W Darmawan, Y S Hadi, P Gerardin
Biological durability of sapling wood
2020 - IRG/WP 20-10967
…Remaining bark is suggested to provide additional biological durability. Even for temporary outdoor use it seemed questionable that durability of juvenile sapwood can provide acceptably long service lives of horticultural products. Therefore, sapling-wood from in total seven European-grown wood species was…
C Brischke, L Emmerich, D G B Nienaber, S Bollmus
Development of procedures for sampling, testing, and classification to determine the biological durability of wood and wood products
2020 - IRG/WP 20-20676
This paper informs about a research project, which deals with several shortcomings and a lack of clarity within EN 350:2016. The project started in January 2020, will run for 3 years, and is operated by the Institute of Wood Technology Dresden (IHD) and the Un…
W Scheiding, K Jacobs, S Bollmus, C Brischke
Macro biological degradation of wood treated with sorbitol and citric acid – first results from marine environment and termite exposure
2020 - IRG/WP 20-40901
Most European wood species are rapidly and severely degraded in termite-infested areas and the marine environment. There is a need for new solutions, especially in the marine environment, since we lack wood preservatives approved for marine applications in Eur…
A Treu, L Nunes, E Larnøy
Possibility of use of wood species per class of biological risks. Attempt to determine criteria based on Pr EN 350-1/2/3
1992 - IRG/WP 92-2409
M Rayzal
For the understanding of biological strategies to sustainable pest management: the case of Nasutitermes corniger
2018 - IRG/WP 18-10907
…believe that increasing our knowledge of this species’ biological strategies is the key to progress in the challenging question of their sustainable management.
I Boulogne, N Amusant, R Constantino, M Falkowski, A M S Rodrigues, E Hoël
Effects of wollastonite nanofibers on biological resistance of historical paper against Aspergillus niger
2017 - IRG/WP 17-10878
Effect of wollastonite nanofibers on biological resistance of historical paper against Aspergillus niger was studied. Specimens from A4 papers were also prepared for comparison purposes. Paper specimens were dipped in aqueous nanowollastonite (NW) with 10, 20, 30, and 40% concentrations and…
H R Taghiyari, A Kalantari, A Ershad-Langroudi, A Kalantari
Physico-Mechanical and Biological Properties of Cement Bonded Particleboards from Nordmann Fir
2017 - IRG/WP 17-40798
Wood species, wood-cement ratio and curing accelerator types are the major factors effecting properties of wood-cement composites. This paper investigates the effects of wood-cement ratios and cement curing accelerator types on some properties of cement bonded…
H Yel, U Aras, H Kalaycioglu
Moisture behaviour and biological durability of high performance flax fibre reinforced composites
2017 - IRG/WP 17-40803
…of moisture behaviour, dimensional stability and biological durability is an important aspect as well concerning in-service performance. In this study we assessed the properties of flax composites made with maleic anhydride grafted polypropylene (MAPP) or epoxy and reinforced with mat, unidirectional,…
N Defoirdt, J Van den Bulcke, F Bensadoun, J Ivens, I Verpoest, J Van Acker
Mechanical, Physical and Biological Properties of Sandwich Biocomposites Panels manufactured from Food Packaging Waste
2017 - IRG/WP 17-40791
…woven fabrics as skin elements. Mechanical, physical and biological performances of the developed composite panels were evaluated. The results showed that using a layer of woven fabric made of either Jute (J) or Glass (G), has a significant effect on MOR of TetraPak panels. MOR value of the stand-alone TetraPak…
A S O Mohareb, A H Hassanin, K Candelier, M F Thévenon, A Kilic, Z Candan
UV-curable coatings developed for aesthetic and biological protection of wood outdoors
2017 - IRG/WP 17-40821
…wood greying, dimensional variations, and degradation by biological agents wood is protected with preservation products and coatings when used outdoors. For some wood species used for cladding, a treatment with a preservation product is required, and is frequently additionally protected with a coating. In this…
C Reynaud, A S Schuller, M Kutnik, L Podgorski
Assessment of the biological durability of wood treated with organosilicon compounds
2016 - IRG/WP 16-30685
…of the resistance of the tested wood species against biological threats. The anti-fungal resistance is lower than that provided by traditional biocidal wood-preservatives, but it is still adequate in applications where short-to-average service-life is acceptable and where maintenance and/or replacement is…
M Kutnik, M Montibus, S Derocker, S Salivati, J-P Lecomte
Effects of Bio-oil Obtained from Laurel (Laurus nobilis) Residues on Biological, Physical, and Mechanical Properties of Treated Wood
2016 - IRG/WP 16-30692
…bio-oil obtained from Laurel (Laurus nobilis) residues on biological (decay, insect, termite resistance), physical (water absorption, tangential and radial swelling), and mechanical properties (MOE, MOR and CSPG) of treated wood samples were studied. The bio-oil used in this paper was produced by the help of fixed…
S Akbas, A Temiz, N Terziev, M H Alma, S Palanti, E Feci
Study on Biological Distribution to Conserve the Tripitaka Koreana woodblocks in Haeinsa Temple
2015 - IRG/WP 15-10844
…Koreana was built in 15th century. In recent days, biological damage becomes a serious problem to wooden cultural heritage including historical wooden buildings with global warming. In this study, termite monitoring on whole Haein-sa temple area and distribution investigation of insect and microorganism…
Si Hyun Kim, Hyun Ju Lee, Yong Jae Chung
Biological Performance of Triadimefon in combination with Tebuconazole in laboratory and field tests
2015 - IRG/WP 30668
The usage of Triazole-combinations for wood preservatives is common practice in several countries. Especially the combination of Tebuconazole and Propiconazole is preferred for this application due to its broad spectrum of efficacy against wood destroying fung…
P Meckler, T Jaetsch
Modern Instrumental Methods to Investigate the Mechanism of Biological Decay in Wood Plastic Composites
2014 - IRG/WP 14-40674
…accurate in the detection of voids created due to biological decay. No obvious relationship was established between the presence of free water detected by MRI and the average volume of voids detected by CT. Scanning electron microscopy (SEM) confirmed the presence of fungal mycelia in the exposed commercial…
G Sun, R Ibach, M Gnatowski, J Glaeser, M Leung, J Haight
Biological durability of natural fibre reinforced composites
2014 - IRG/WP 14-40681
Composite materials reinforced with wood or non-wood natural fibres have the potential to be a lighter and lower-cost alternative construction material. Until better availability and properties and a lower cost price of degradable polymers makes their use more…
N Defoirdt, I De Windt, J Van den Bulcke, J Van Acker
The Technical Criteria on Biological Evaluation of Wood Preservatives for Use Category C4.1 in Southern China
2012 - IRG/WP 12-20481
According to the Regulations on Pesticide management of the People's Republic of China, wood preservatives belong to agrochemicals. The establishment of registration system on wood preservatives would be benefit to management of preservatives, including t…
Xingxia Ma, Mingliang Jiang
Tannin resin-boron associations: Leaching and biological resistance
2012 - IRG/WP 12-30587
…and the fungal and termite decay was examined. The biological tests have shown extremely high resistance of the leached samples against both, fungus (Coriolus versicolor and Coniophora puteana). The resistance towards termites (Reticulitermes flavipes ex. santonensis) was also evaluated. A threshold…
G Tondi, S Wieland, N Lemenager, A Petutschnigg, A Pizzi, M-F Thevenon