AkzoNobel Coatings patents stain-blocking aqueous coating composition

March 19, 2012

WO 2,011,073,164
Stain-blocking aqueous coating composition (said composition comprising (a) a styrene acrylic resin and, (b) a substituted styrene acrylate copolymer, wherein, by weight, said styrene acrylic resin is provided in excess of said substituted styrene acrylate copolymer. A method is also disclosed whereby this waterborne coating composition is applied to a substrate comprising water extractable staining agents, such as a tannin-containing open grain natural wood).

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