The invention relates to an embossing lacquer which is based on a UV-polymerizable prepolymer composition that contains at least one acrylate monomer, said prepolymer composition containing, in addition to the acrylate monomer, at least one thiol, selected from the group consisting of: 3-mercaptopropionates, mercaptoacetates, thioglycolates and alkyl thiols and optionally a surface-active anti-adhesive additive selected from the group of non-ionic surfactants, such as polyether-siloxanes, fatty alcohol ethoxylates, such as polyoxyethylene-(9)-lauryl ether, mono-functional alkyl(meth)acrylates, poly-siloxane (meth)acrylates, perfluoroalkyl(meth)acrylates and perfluoropolyether(meth)acrylates and a photoinitiator. The invention also relates to a method for embossing substrate surfaces that are coated with an embossing lacquer.
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