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Your search resulted in 36 documents. Displaying 25 entries per page.


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
Weathering is the cause of numerous damages for outdoor joineries. Protection 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 for bioci...
O Ouali, K Le Ménach, E Raphalen, L Podgorski, S Legay, H Budzinski


Phoracantha semipunctata Fab. dans le sud-ouest Espagnol: Lutte et dommages
1985 - IRG/WP 1250
L G Tirado


Essais biologiques sur poteaux traités à la Wolmanit C.B. suivant le procédé Boucherie modifé
1974 - IRG/WP 336
D Lapetite, C Jacquiot, J Campredon


Experimental test site to prevent maritime pine logs from bluestaining: water-spraying and water-immersion methods
2003 - IRG/WP 03-10497
Following a storm which led to windfall wood, a research project was launched to develop preservation methods with a low environmental impact for maritime pine logs. These preservation methods are intended to be suitable for large-scale storage areas of maritime pine. In addition the aim was to maintain wood quality during long term storage. An experimental field test with 1 900 m3 of maritime pin...
I Le Bayon, H Callot, D Reuling, C Brunet, P Castéra


Biocontrol of Reticulitermes santonensis by entomopathogenic fungi - Improvement of the contamination process
2000 - IRG/WP 00-10359
The entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana were selected for their potential to control the subterranean termite Reticulitermes santonensis. The research work aims to increase the mortality of termites by improving the contamination process inside a termite colony. The transfer of fungal spores from contaminated termites to a whole colony of termites was thus studied....
I Le Bayon, D Ansard, C Brunet, S Girardi, I Paulmier


Criteria for basidiomycetes testing and ways of defining natural durability classes
1998 - IRG/WP 98-20144
Within the framework of a European research project several laboratories have tested a series of 17 wood species covering the total range of natural durability. Basidiomycete tests are part of the total set up. Although generally based upon standard methods some minor differences in execution of the tests were evaluated for their impact on the results. This variation was superimposed with the fac...
J Van Acker, M Stevens, J K Carey, R Sierra-Alvarez, H Militz, I Le Bayon, G Kleist, R-D Peek


Rapport sur la fiche monographique concernant le Coriolus versicolor
1972 - IRG/WP 109
C Jacquiot


Chlorodioxines dans le pentachlorophénol
1975 - IRG/WP 346
H Alliot


Fipronil - le nouvel insecticide de Rhone Poulenc pour la preservation du bois
1995 - IRG/WP 95-30078
After the 3rd International Symposium in Cannes '95. More trial results and practical information on FIPRONIL, this new insecticide from Rhone Poulenc for Wood Preservation and PCO....
M G E J Van Maanen


Environmental risk assessment of treated timber in service: The Environment Focus Group approach
2000 - IRG/WP 00-50162
In the context of the Biocidal Products Directive (98/8/EC), and of the OECD work on wood preservatives, the Environment Focus Group (EFG), comprising 8 institutes and the European Wood Preservative Manufacturers Group, has been working on the environmental risk assessment of treated timber in service. A literature review of emissions from treated timber has revealed that very little existing data...
G Deroubaix, G Labat, I Le Bayon, S Legay, P Marchal, C Yrieix, E Melcher, R-D Peek, S De Geyter, J Van Acker, W J Homan, D J Dickinson, R J Murphy, E D Suttie, A J Nurmi, A-C Ritschkoff, D Rudolph, I Stephan, D Aston, E F Baines, J B Simonin


Essais de collage de bois traités pour la réalisation d'éléments de charpente lamellées. (+ abstract dated September 1971, Influence du traitement de préservation sur le collage d'éléments de charpente lamellés collés et efficacité vis-a-vis de larves néonates)
1971 - IRG/WP 203
Le but du travail est de vérifier les propriétés générales d'une poutre lamellée collée après traitement des éléments la composant au moyen de formulations insecticides et fongicides commerciales à solvant clair dans les conditions les plus usuelles de fabrication. Les essences utilisées ont été: Epicéa - Pin sylvestre - Sapin de Douglas en planches rabotées de 80 cm de lo...
J Guillemain-Thévenot


FIPRONIL - une nouvelle molécule insecticide Rhône Poulenc pou le PCO et la protection du bois [FIPRONIL - A new insecticide from Rhône Poulenc for PCO and wood preservation]
1995 - IRG/WP 95-50040-16
We will explain here after the advantages and key points of the new insecticide "FIPRONIL" from Rhône Poulenc Agrochemicals. We will have a look from the physical and chemical properties to the possible uses in PCO and wood preservation, including toxicology, efficacy and the main beneficial impacts on the environment. FIPRONIL, a new solution against undesirable and damageable insects, from cock...
M G E J Van Maanen


Laboratory testing of wood natural durability - In soil-bed assays
1998 - IRG/WP 98-20141
Laboratory methods for assessing wood decay resistance are being investigated in the framework of an ongoing European research project. This paper summarizes the main results obtained for soil-bed tests based on the European prestandard ENV 807-Test 2. The data suggest that this testing methodology is suitable for evaluating the natural durability of timber species in soil-contact under conditions...
R Sierra-Alvarez, I Le Bayon, J K Carey, I Stephan, J Van Acker, M Grinda, G Kleist, H Militz, R-D Peek


Improvement of intrinsic properties of wood by chemical wood densification - Hydrophobic aspects and durability aspects
1999 - IRG/WP 99-40149
To improve the intrinsic properties of Scot pine wood ((1) hydrophobic surface and (2) durability), two ways of chemical modification have been tested. The first one is the chemical modification of hydroxyl groups by active substances like diisocyanate compounds with a copolymerization step. The second way is a densification by an impregnation of resins and a gamma polymerisation. This second way ...
G Labat, Q K Tran, I Le Bayon


Wood kiln drying. Simple process of material treament or soft method of preservation? (Le séchage arificiel du bois. Simple opération de traitement du metériau ou méthode douce de préservation?)
1993 - IRG/WP 93-50001-14
Among the processes enabling to extend wood durability, kiln drying can be considered as a treatment and soft preservation method. Dry woods are naturally durable provided they are not subject to important retaking of the moisture. Drying thanks to the application of temperatures from 50 to120°C enable to execute a thermic treatment which kills grubs and mushrooms to ensure a sterilization that c...
F More-Chevalier


Biocontrol of Reticulitermes santonensis by entomopathogenic fungi
1999 - IRG/WP 99-10324
Biocontrol of subterranean termites by entomopathogenic fungi has already been studied but little work has been done on Reticulitermes santonensis. This paper deals with the screening of 8 fungi strains for their pathogenicity towards R. santonensis. Spores from Metarhizium anisopliae, Beauveria bassiana and Absidia coerulea were used to contaminate 25 termite workers in petri dishes. Bioassays we...
I Le Bayon, D Ansard, C Brunet, I Paulmier, A-M Pruvost


Étude de l'impact d'un xénobiotique sur le milieu aquatique: Approche méthodologique
1990 - IRG/WP 3586
L'action de xénobiotiques sur les communautés vivantes des écosystèmes lénitiques a été abordée à des échelles spatiotemporelles différentes. Dépassant le niveau des tests monospécifiques, nous avons effectué des essais en laboratoire sur des microcosmes contenant des végétaux ( Lemna minor ) et des bactéries et également sur des bassins de quelque m³ contenant une gran...
G Blake, G Merlin


The durability of wood polymer composites against fungi and insects
2000 - IRG/WP 00-40161
New materials such as wood polymer composites are used more in France. These materials are obtained by mixing wood and thermoplastics in different ratios. These kind of material must be considered as new materials and some characteristics such as durability must be evaluated for outdoor applications. On the other hand, some recycled fibers from wood waste could be used as raw materials. Some woodp...
G Labat, I Le Bayon, J Gerard, F Amin


Gestion des déchets dans le groupe Rhône-Poulenc
1990 - IRG/WP 3583
La gestion rigoureuse de l'ensemble des déchets est une condition essentielle du développement des activités du groupe RHONE-POULENC. Les différentes activités, de la Chimie à la Santé en passant par l'Agro et les Fibres, génèrent des quantités importantes de sous-produits ou déchets. Afin de gérer avec rigueur l'ensemble de ces résidus, les différents site...
R P Furminieux


Le pin: Matériau à contact alimentaire [Pine wood as a material for food contact]
1995 - IRG/WP 95-50040-01
Monoterpenes emitted to air from woods of pine (Pinus nigra, Pinus laricio, Pinus pinaster and Pinus sylvestris) were determined on the one hand by static analysis and by other hand by sampling on the Tenax adsorbent, followed by analysis using thermal desorption, both being combined with gas chromatography coupled with mass spectrometric detection. The major monoterpenes were alpha-pinene and 3-c...
A Waymel, M Lamour, G Labat


Programme d'études sur le pentachlorophénol
1993 - IRG/WP 93-50001-09
In 1989, Hydro-Québec began a study program on pentachlorophenol (PCP), with a view to ensuring safe management of the product at all stages of its utilization. The topics under study include storage of treated poles, behavior of PCP in the environment, soil decontamination, water treatment, characterization and disposal of treated wood waste, and assessment of substitutes. This paper summarizes ...
G Beaulieu, A Bériault, R Chénier, L Houde


Evaluation de l'efficacité insecticide de la deltaméthrine et fongicide de son association avec le TCMTB+MBT dans le domaine de la préservation des bois
1986 - IRG/WP 1289
La deltaméthrine pour la protection insecticide des bois possède de nombreux avantages: une toxicité relative faible, une évaporation très réduite, une très longue conservation dans la bois, un délavage très faible une fois qu'elle est pénétrée dans le bois, elle n'a pas d'odeur. Son association avec toutes autres matières actives ou solvants sera étudiée ...
J S Duguet


Molecular Methods: a Reliable Tool for the Identification of Wood Decay Fungi in Construction Timber
2008 - IRG/WP 08-20386
In the present study, we tested the practical value of several DNA-based methods to identify at the species level the most common wood-decaying fungi infecting buildings. We successfully extracted and amplified fungal DNA from pure cultures of twelve species of wood-inhabiting fungi, from oak and pine wood infected in laboratory with known strains, and from unknown field samples of wood collected ...
M Maître, M Kutnik, I Le Bayon, L Harvengt


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
Bi-oleothermal process is a simple treatment which has been developped by CIRAD in cooperation with FCBA. It allows a deep impregnation of wood with hydrophobic products 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 on...
L Podgorski, I Le Bayon, I Paulmier, J-D Lanvin, V Georges, D Grenier, H Baillères, J-M Méot


Mold-resistance Effect of Bamboo Wood Treated with CCC-organic Complexes
2009 - IRG/WP 09-30514
Mold resistant effect of CCA, ACQ, CuAz, CCC and the compound of CCC and propiconazole were researched on bamboo wood of Phyllostachys pubescens were reported in this paper. Results showed that all of the test fungicides could protect bamboo wood better from Penicillam citrinum than from Trichoderma viride and Aspergillus niger. The complex of CCC and propiconazole had the best resisting effect on...
Sun Fangli, Yang Le, Chen Anliang, Bao Binfu, Li Qiao


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