Method of protecting wood

Details Method of protecting wood Method of protecting wood

B - Operations, Transporting

27

K

B27K 3/50 (2006.01) B27K 3/15 (2006.01) B27K 3/52 (2006.01) B27K 5/00 (2006.01) B27N 1/00 (2006.01) B27N 7/00 (2006.01)

Patent

CA 2384776

The invention relates to a method for protecting wood and similar lignocellulose-based materials against decay and molding, wherein the material is treated with a compound improving its water-repellence and with a complexing agent capable of binding transition metals. With the help of the invention the resistance of the wood material to damage caused by microorganisms can be improved without the use of conventional fungicides. The hydrophobification agent effectively binds the complexing agent to the lignocellulose-based material and prevents it from being leached out.

La présente invention concerne un procédé, destiné à protéger le bois et d'autres matériaux lignocellulosiques similaires contre la pourriture et la moisissure, dans lequel le matériau est traité avec un composé qui améliore son imperméabilité et avec un agent complexant capable de se lier aux métaux de transition. Selon l'invention, il est possible d'améliorer la résistance du matériau en bois aux dommages provoqués par des micro-organismes, sans avoir recours aux fongicides classiques. L'agent hydrofuge permet de lier, de manière efficace, l'agent complexant au matériau à base de lignocellulose, ce qui l'empêche d'être entraîné par ruissellement.

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