Formaldehyde-free paper backed veneer products and methods...

Details Formaldehyde-free paper backed veneer products and methods... Formaldehyde-free paper backed veneer products and methods...

B - Operations, Transporting

32

B

B32B 21/06 (2006.01) B27D 1/00 (2006.01) B44C 5/04 (2006.01)

Patent

CA 2655671

A paper backed veneer having a veneer laminated to a paper backing sheet saturated with a formaldehyde-free binder composition is generally disclosed. The formaldehyde-free binder composition includes a curable latex polymer and a crosslinking agent. The latex polymer can include functionalized groups, such as carboxyl groups, to aid curing. The crosslinking agent can be an epoxy resin. Also, a method of making paper backed veneers is generally disclosed.

L'invention concerne d'une manière générale un produit de placage sur support de papier doté d'une feuille de placage laminée sur une feuille de support de papier saturée par une composition de liant exempte de formaldéhyde. La composition de liant exempte de formaldéhyde comprend un polymère de latex durcissable et un agent réticulant. Le polymère de latex peut comprendre des groupes fonctionnalisés, tels que des groupes carboxyle, pour aider au durcissement. L'agent réticulant peut être une résine époxy. L'invention concerne également un procédé de fabrication de produits de placage sur support de papier.

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