Use of a material resistant to attacks by wood-destroying...

Details Use of a material resistant to attacks by wood-destroying... Use of a material resistant to attacks by wood-destroying...

B - Operations, Transporting

27

K

B27K 3/34 (2006.01)

Patent

CA 2654328

The use of a material based on lignocellulosic materials, particularly a piece of wood or sawdust, subjected to a chemical treatment process involving said lignocellulosic materials consisting of subjecting said materials to treatment by a chemical agent consisting of hydrocarbon chains, this agent being chosen by mixed carboxylic anhydrides, said agent being adapted to ensure grafting by covalent bond of multiple hydrocarbon chains on said materials, as a material resistant to attacks by wood-destroying insects.

Utilisation d'un matériau à base de matières lignocellulosiques, notamment une pièce de bois ou de la sciure de bois, soumis à un procédé de traitement chimique desdites matières lignocellulosiques consistant à soumettre lesdites matières à un traitement par un agent chimique comportant des chaînes hydrocarbonées, cet agent étant choisi parmi les anhydrides carboxyliques mixtes, ledit agent étant adapté pour assurer un greffage par liaison covalente d'une pluralité de chaînes hydrocarbonées sur lesdites matières, comme matériau résistant aux insectes xylophages.

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