C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 5/04 (2006.01) B27D 1/00 (2006.01) B27D 1/04 (2006.01) B27G 11/00 (2006.01) B32B 21/13 (2006.01) C09J 5/06 (2006.01) C09J 161/04 (2006.01) C09J 161/06 (2006.01) C09J 161/20 (2006.01) C09J 161/24 (2006.01) C09J 161/28 (2006.01)
Patent
CA 2475117
The present invention relates to a method of joining two or more pieces of wood based materials, comprising the steps of providing at least two pieces of wood based material; separately applying an adhesive composition (A), comprising a curable resin, and a composition (B), comprising a gel forming substance, onto at least one of said at least two pieces; joining the two pieces together to form an assembly having the compositions (A) and (B) situated between the pieces; pre-pressing the obtained assembly, with no curing of the resin; and then, hot-pressing the assembly to cure the resin. It also relates to wood based products made by the method.
L'invention concerne un procédé d'assemblage de deux ou davantage de pièces faites de matériaux à base de bois, qui comporte les étapes consistant à : fournir au moins deux pièces faites d'un matériau à base de bois ; appliquer séparément une composition adhésive (A) qui renferme une résine pouvant être traitée, et une composition (B) qui renferme une matière gélifiante, sur au moins une desdites pièces ; réunir les deux pièces pour former un ensemble, les compositions (A) et (B) se situant entre les pièces ; prépresser l'ensemble obtenu sans traitement de la résine ; et presser ensuite l'ensemble à chaud pour traiter la résine. L'invention concerne aussi des produits à base de bois fabriqués selon ce procédé.
Akzo Nobel Coatings International B.v.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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