| 摘要 |
<p>The disclosure relates to a stain blocking water borne coating composition comprising an organic binder and as stain blocking agent at least one type of inorganic nanoparticles having a layered structure and a crystal structure with positively charged layers, wherein the total amount of inorganic nano-particles is 0.1 to 40% by weight, based on the total weight of the water borne coating composition, and wherein the total amount of water borne organic polymeric binders is 4-80% by weight, based on the total weight of the water borne coating composition. Further, the disclosure relates to a method for coating a substrate comprising water extractable staining agents wherein the substrate is coated with an organic water borne coating composition, and it also relates to coated substrates obtained by this method.</p> |
