The invention relates to a paint coating, comprising a hydrophobic phase and a hydrophilic phase on the surface of the paint coating, wherein the paint coating is or can be produced from an emulsion, wherein (i) the hydrophobic phase or (ii) the hydrophilic phase has formed the outer phase and the other phase has formed the inner phase and the difference of the water edge angle of the materials of the two phases in the paint coating is >= 15 DEG , preferably >= 20 DEG , further preferably >= 25 DEG , and especially preferably >= 30 DEG.