Adhesive system containing tannin for binding...

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

C09J 161/10 (2006.01) C08G 18/40 (2006.01) C08G 18/64 (2006.01) C08G 18/76 (2006.01) C08L 97/02 (2006.01) C09J 161/04 (2006.01) C09J 161/06 (2006.01) C08K 5/10 (2006.01) C08K 5/134 (2006.01) C08L 61/06 (2006.01) C08L 75/04 (2006.01) C08L 79/04 (2006.01) C08L 99/00 (2006.01)

Patent

CA 2392876

An adhesive system for use in binding lignocellulosic materials into a composite product, the adhesive system consisting essentially of (1) an effective amount of at least one powdered tannin; and (2) an effective amount of at least one additional adhesive component chosen from powdered aldehyde polymers, liquid solutions of aldehyde polymers, and liquid solutions of polymeric isocyanate. The invention also provides a method of making a composite product using the present adhesive system and a composite product made using the present adhesive system.

Système adhésif utilisé pour lier des matières lignocellulosiques dans un produit composite, le système adhésif étant essentiellement composé : (1) d'une quantité suffisante d'au moins un tanin en poudre; (2) d'une quantité suffisante d'au moins une autre substance adhésive choisie parmi les suivantes : aldéhydes polymérisés en poudre, solutions liquides d'aldéhydes polymérisés et solutions liquides d'isocyanate polymérisé. L'invention procure également une méthode pour la fabrication d'un produit composite à l'aide du système adhésif en question ainsi qu'un produit composite fabriqué à l'aide du système adhésif en question.

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