Title:
ホルムアルデヒドを含む層状製品からのホルムアルデヒドの放出の低減方法
Document Type and Number:
Japanese Patent JP2004522628
Kind Code:
A
Abstract:
A method of reducing the emission of formaldehyde from formaldehyde laden layered products having at least 2 layers, at least one of which being a board or veneer, wherein prior to bonding the layers together, at least one side surface of said board or veneer is treated with a solution comprising an inorganic sulphur containing salt. The invention also relates to a board, a veneer and a flooring material obtainable by the method, to an aqueous solution comprising ammonium sulphite or bisulphite and urea for use in the method and to a process for preparation of the aqueous solution.
Inventors:
Junger Robin
Lind Ing Bar
Pillhomen Salme
Lind Ing Bar
Pillhomen Salme
Application Number:
JP2002571270A
Publication Date:
July 29, 2004
Filing Date:
March 04, 2002
Export Citation:
Assignee:
AKZO NOBEL N.V.
International Classes:
B27K5/00; B27K3/20; B27N1/00; B32B5/02; (IPC1-7): B27K5/00; B27K3/20; B32B5/02
Attorney, Agent or Firm:
Tetsuya Ito
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