Low density oriented strand boards and methods of...

Details Low density oriented strand boards and methods of... Low density oriented strand boards and methods of...

B - Operations, Transporting

27

N

B27N 3/04 (2006.01)

Patent

CA 2455904

A method for forming an oriented strand board comprises forming a laminate of mats of wood flakes covered with a resin and pressing the laminate under heat. The laminate comprises a core layer laminated to two surface layers. The flakes are bound together with a resin comprising phenol formaldehyde (PF) or polymeric methylene di-isocyanate (MDI).

Procédé servant à fabriquer un panneau OSB et consistant à produire un stratifié de nappes de copeaux de bois recouvert par une résine et à comprimer ce stratifié à la chaleur. Ce stratifié est composé d'une couche centrale à laquelle adhèrent deux couches superficielles. Les copeaux sont agglomérés par une résine composée de phénol formaldéhyde (PF) ou méthylène di-isocyanate (MDI) polymère.

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