Method for the production of wood material articles with low...

Details Method for the production of wood material articles with low... Method for the production of wood material articles with low...

B - Operations, Transporting

27

N

B27N 1/00 (2006.01)

Patent

CA 2616336

The invention relates to a method for production of wood material articles with low emissions of chemical compounds. The applied wood is treated with bisulphite before bonding. On using formaldehyde resins in the bonding agent, wood material articles can be produced with the inventive method with extremely low formaldehyde emissions and very bright colours.

L'invention concerne un procédé pour produire des articles constitués de matériaux dérivés du bois à faible émission de composés chimiques. A cet effet, le bois utilisé est traité au bisulfite avant le collage. Lorsque l'on utilise dans la colle des résines contenant du formaldéhyde, il est possible d'obtenir, au moyen du procédé selon l'invention, des articles constitués de matériaux dérivés du bois présentant des émissions de formaldéhyde extrêmement faibles et une teinte très claire.

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