Polymer-aldehyde binding system for manufacture of wood...

Details Polymer-aldehyde binding system for manufacture of wood... Polymer-aldehyde binding system for manufacture of wood...

C - Chemistry, Metallurgy

08

K

C08K 5/06 (2006.01) B27N 3/00 (2006.01) C08K 5/07 (2006.01) C08K 5/21 (2006.01) C08K 5/357 (2006.01) C08L 97/02 (2006.01) C09J 103/04 (2006.01) C09J 129/04 (2006.01)

Patent

CA 2636885

A formaldehyde-free curable aqueous composition containing a hydroxy- containing polymer, a multi-functional crosslinking agent, and, optionally, a catalyst. The composition is used as a binder for lignocellulosic materials such as plywood, fiber particleboard, medium density fiberboard and oriented strand board.

L'invention concerne une composition aqueuse polymérisable exempte de formaldéhyde, qui comprend un polymère contenant hydroxy, un agent de réticulation multifonctionnel et, éventuellement un catalyseur. La composition de l'invention est utilisée comme liant pour des matières lignocellulosiques, telles que les contreplaqués, les panneaux de particules de fibres, les panneaux de fibres de densité moyenne et les panneaux de particules orientées.

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