In line web treating and substrate forming method for...

Details In line web treating and substrate forming method for... In line web treating and substrate forming method for...

B - Operations, Transporting

27

N

B27N 3/06 (2006.01) B32B 21/00 (2006.01) B32B 37/12 (2006.01)

Patent

CA 2683062

A method for preparing an overlaid composite product comprises treating a web comprising a functional barrier on one face of the web with a binding agent; placing the treated web directly adjacent an unconsolidated substrate wherein the unconsolidated substrate comprises an uncured first resin; and concurrently consolidating the unconsolidated substrate and curing the binding agent and first resin thereby bonding the web to the substrate without addition of a separate adhesive. An overlaid composite product produced by this method is described. An overlaid composite product can be, e.g., a paper laminated oriented strand board.

L'invention concerne un procédé de préparation d'un produit composite superposé qui consiste à traiter avec un agent de liaison une toile comprenant une barrière fonctionnelle sur une face de la toile ; à placer la toile traitée de manière directement adjacente à un substrat non consolidé, ledit substrat non consolidé comprenant une première résine non durcie ; et à simultanément consolider le substrat non consolidé et durcir l'agent de liaison et la première résine de sorte à lier la toile au substrat sans ajout d'un adhésif séparé. L'invention concerne un produit composite superposé produit selon ce procédé. Un produit composite superposé peut être, par exemple, un panneau de papier stratifié à copeaux orientés.

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