B - Operations – Transporting – 27 – K
Patent
B - Operations, Transporting
27
K
B27K 3/36 (2006.01)
Patent
CA 2481555
The invention concerns a method for chemical treatment of lignocellulosic materials, in particular at least a piece of timber, characterized in that it consists in subjecting said materials to impregnation with a chemical agent comprising hydrocarbon chains, said agent being selected among mixed anhydrides, excluding acetic/benzoic acid mixed anhydride, said agent being adapted to ensure covalent bonding of a plurality of hydrocarbon chains on said materials.
Procédé de traitement chimique de matières lignocellulosiques, notamment d'au moins une pièce de bois, caractérisé en ce que l'on soumet lesdites matières à une imprégnation par un agent chimique comportant des chaînes hydrocarbonées, cet agent étant choisi parmi les anhydrides mixtes, sauf l'anhydride mixte d'acide acétique/benzoïque, ledit agent étant adapté pour assurer un greffage par liaison covalente d'une pluralité de chaînes hydrocarbonées sur lesdites matières.
Borredon Elisabeth
Dupire Maxime
El Kasmi Silham
Gaset Antoine
Magne Michel
Goudreau Gage Dubuc
Lapeyre
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