Stain blocking treatment for wood based panels

Details Stain blocking treatment for wood based panels Stain blocking treatment for wood based panels

1997-10-09

1999-11-30

Green, Anthony

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106 1505, 106 34, 106471, 524436, C09D 500

Patent

active

059935340

ABSTRACT:
Wood-based products, to which an overlay material is attached, are pretreated with an aqueous suspension of alkaline, inorganic, multivalent compound such as magnesium hydroxide and a binding agent and then allowed to dry fixing the antistaining compound on the surface of the wood member. Selected additives can be added to the aqueous suspension to enhance application and surface properties. Thereafter the treated members are installed, a typical application being as wood-based underlayment or structural subflooring in flooring construction. When a vinyl floor covering material is attached to the pretreated panel, the treatment functions as a stain blocker preventing unsightly staining of the vinyl floor covering over time.

REFERENCES:
patent: 3900620 (1975-08-01), Gilman et al.
patent: 4021398 (1977-05-01), Gilman et al.
patent: 4218516 (1980-08-01), Meyer et al.
patent: 5312863 (1994-05-01), Van Rheenen et al.
patent: 5320872 (1994-06-01), McNeel et al.
patent: 5460644 (1995-10-01), Thomassen
patent: 5527619 (1996-06-01), Rokowski et al.
patent: 5529811 (1996-06-01), Sinko

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