STAIN BLOCKING WATER BORNE COATING COMPOSITION

摘要

The invention relates to a stain blocking water borne coating composition, preferably for clear coats, comprising an organic binder and as stain blocking agent at least one type of inorganic nano-particles having a layered structure and a crystal structure with positively charged layers. Further, the invention 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 comprising as stain blocking agent at least one type of inorganic nano-particles, preferably having a layered structure and a crystal structure with positively charged layers and to coated substrates obtainable by this method.