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Efficacy of a wide-spectrum plant bio-based anti-termite product - Laboratory trials
2023 - IRG/WP 23-11024
Compared to the number of timbers available, the list of wood species resistant to termites is rather limited and largely composed of tropical timbers. In addition, due to climate change and environmental degradation, together with global trade, a significant global expansion of termites is predicted along with the economic losses due to their activities. Therefore, there is a demand to find produ...
M-F Thévenon, F Chopinet, J Vuillemin, A Robert, S Lafay, D Messaoudi
Identifying compatible waterborne timber preservatives and fire retardants for use in a VPI system: a practical approach
2023 - IRG/WP 23-30796
To enhance the use and suitability of timber in all applications in both exterior and interior settings, timber typically needs to be treated with a preservative and/or a fire retardant chemical. Combining fire retardants with preservatives into a single treatment process has been a long-term aim of researchers in the timber preservative industry because of the significant logistic and economic ad...
R Robinson, S Meldrum
Control of Asian subterranean termites Coptotermes gestroi (Blattodae: Rhinotermitidae) by a new generation bait system with vegetal extracts-diflubenzuron mixture
2023 - IRG/WP 23-30797
The efficacy of anti-termite bait pebble dosed at 0.3% w/w of Diflubenzuron, and Chitin Synthesis Inhibitor (CSI) and 0.6% w/w of vegetal extract from Berkem Biosolutions®, was evaluated in the laboratory on the Asian subterranean termite Coptotermes gestroi (Wasmann). Four concentrations 33.3%, 50%, 50% bis and 100% as well as two neutral matrices, were used in two in-house developed test method...
F Chopinet, D Messaoudi
Elevated pressure hybrid wood modification: Synergistic effects on durability performance
2024 - IRG/WP 24-20725
The combination of different wood modification technologies to obtain improved performance is increasingly receiving attention in research. In this study, Scots Pine was impregnated with furfuryl alcohol (FFA) in pure aqueous 20, 40 and 60% solution strength without adding any catalyst. In a second step, the FFA was polymerized while simultaneously performing thermal modification in a closed syste...
P Klaas, D Jones
A new wood preservative system based on basic copper compound nanosols
2024 - IRG/WP 24-20728
A bottom-up process was established to synthesize insoluble basic copper compound nanoparticles and simultaneously form a stable nanosol by dropping a neutralizing agent solution into an aqueous solution of a copper compound to which an appropriate dispersant system was added. The main ingredient of MCA (Micronized Copper Azole), the leading copper-based wood preservative in the current world mark...
J O Kim, J-G Kang, Y-S Choi, S-M Yoon, H-M Lee, J-G Park