| 摘要 |
<p>The invention relates to aqueous coating compositions for producing primer and/or filler layers in a multi-layer coating, in particular in vehicle coating, comprising the following components: A) at least one water-dilutable epoxy resin, B) at least one polyamine curing agent, C) optionally at least one water-dilutable polyurethane resin, D) water and E) optionally pigments, fillers, conventional paint additives and/or organic solvents, wherein the polyamine curing agent B) comprises: B1) 5-95 % by weight of at least one amino functional compound with at least two secondary and/or primary amino groups and B2) 95-5 % by weight of at least one water-dilutable (meth)acrylic copolymer, wherein the percentages by weight of components B1) and B2) are based on the solids and add up to 100 % by weight.</p> |
