Method of pressure treating boards

Details Method of pressure treating boards Method of pressure treating boards

C - Chemistry, Metallurgy

09

D

C09D 15/00 (2006.01) B05D 3/00 (2006.01) B05D 3/12 (2006.01) B05D 7/06 (2006.01) B27K 3/08 (2006.01) B27K 3/52 (2006.01) B27K 5/02 (2006.01) B32B 21/04 (2006.01)

Patent

CA 2269932

A method for pressure treating wood products is provided wherein wood products are pressure treated in an aqueous solution of a silicate, a rheology modifier, a wetting agent and, optionally, borax; the aqueous solution having a pH of at least 9Ø A suitable dye can be added to the aqueous solution to color the wood product. The present invention is also directed to an aqueous solution for pressure treating wood and a wood product prepared according to the method of the present invention.

L'invention concerne un procédé de traitement sous pression de produits en bois, selon lequel lesdits produits en bois sont traités sous pression dans une solution aqueuse contenant un silicate, un modificateur rhéologique, un agent mouillant et, éventuellement, du borax. Cette solution aqueuse présente un pH d'au moins 9, 0. Un colorant approprié peut être ajouté à la solution aqueuse pour colorer le produit en bois. La présente invention concerne également une solution aqueuse utilisée pour traiter sous pression le bois, ainsi qu'un produit en bois obtenu selon le procédé présenté.

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