Aqueous paint additive for staining inhibition and procedure

Details Aqueous paint additive for staining inhibition and procedure Aqueous paint additive for staining inhibition and procedure

C - Chemistry, Metallurgy

08

K

C08K 3/26 (2006.01) C09D 5/02 (2006.01)

Patent

CA 2276439

A tannin stain inhibiting latex paint composition for application to wood based on an alkaline latex suspension of a polymer in water is provided with a tannin-stain inhibiting additive. The additive includes effective amount for stain inhibition of a non-acidic compound selected from ammonium zirconium carbonate, sodium zirconium carbonate or potassium zirconium carbonate.

Cette invention se rapporte à une composition de peinture au latex permettant d'inhiber la coloration due à l'oxydation du tanin dans le bois. Ladite composition contient une suspension alcaline de latex composée d'un polymère dans de l'eau ainsi qu'un additif permettant d'empêcher la coloration due à l'oxydation du bois. Cet additif contient un composé non acide en quantité suffisante pour empêcher la coloration, sélectionné parmi le carbonate d'ammonium-zirconium, le carbonate de sodium-zirconium et le carbonate de potassium-zirconium.

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