Process for producing two-layer varnished base lacquer / varnish and transparent and / or transparent sealing layer.

Process for the production of a coating of two layers of basecoat / clearcoat and / or a layer of transparent sealing on the outer coating of a substrate surface varnished, wherein a layer of clear lacquer which can be applied curing by radical polymerization of a layer of base lacquer colored and / or effect, previously applied, and / or a medium layer clear coating curable by radical polymerization on the varnished surface of a substrate and cured with action of high-energy radiation, characterized in that for the application of the clear lacquer layer and / or layer outer sealing medium transparent coating is used, the resin solid body comprises: I. 70 to 100% weight of one or more oligomers and / or prepolymers containing olefinically unsaturated groups which can be polymerized by radical and R I. 0 to 30% by weight of one or more reactive diluents with molecular masses calculated respectively below 500, having olefinically unsaturated groups which can be polymerized via radicals, which component I is composed of 75 to 100% by weight of a (meth) aliphatic urethane acrylate with a functionality (meth) acryloyl 3 to 4, 5 per molecule on average and a calculated molecular mass of at least 826, which can be obtained by reacting aliphatic diisocyanates acyclic with 8 C atoms and / or polyisocyanates derived from these diisocyanates with one or more aliphatic compounds of low molecular weight, having one or more hydroxyl groups and also one or more (meth) acryloyl and optionally with one or more diols and / or aliphatic polyols of low molecular weight.