Alumina wood modification-decay, stain, and termite protection

Details Alumina wood modification-decay, stain, and termite protection Alumina wood modification-decay, stain, and termite protection

B - Operations, Transporting

27

K

B27K 3/26 (2006.01)

Patent

CA 2234130

A method for chemically modifying wood with reactive alumina which consists of contacting said wood with aluminates chosen from the group consisting of sodium aluminate and potassium aluminate in concentrations greater than 0.5%, without fungicidally effective amounts of anions from N-nitrosocyclohexylhydroxylamine salts; and a method for the wood decay and staining protection which results. A method for expanding the wood protection to prevent termites by adding ethanolamine copper complexes.

Méthode pour modifier chimiquement du bois à l'aide d'alumine réactive, consistant à mettre en contact ledit bois avec des aluminates choisis dans le groupe constitué d'aluminate de sodium et d'aluminate de potassium, présents à des concentrations supérieures à 0,5 %, sans quantités efficaces - du point de vue fongicide - d'anions provenant de sels de N-nitrosocyclohexylhydroxylamine; méthode connexe pour protéger le bois contre la pourriture et la décoloration de l'aubier. Méthode pour compléter la protection du bois en ajoutant des complexes d'éthanolamine et de cuivre pour prévenir l'action des termites.

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