Cationic acrylic binders in wood primers or decorative coatings

摘要

Wood is a very versatile substrate which shows different and even seasonally changing properties.Painters have to deal for example with inhomogeneous structures,water uptake as well as shrinkage.In addition,they have to give attention to”bleeding”of wood ingredients which could appear as discoloration of the coating and is caused by water soluble tannins which are transported to the surface together with the evaporating water.