| abstract |
The invention pertains to basic coating compounds comprising as bonding components i) an acrylate dispersion containing 30 to 60 wt % monomers with C1-C8-alkyl(meth)acrylate content, 30 to 60 wt % vinylaromatic monomers and 0.5 to 10 wt % (meth)acrylic acid in polymerizate, ii) a polymer dispersion obtained by carrying out, in an aqueous dispersion of a polyurethane resin having a number average molecular weight Mn of 1000 to 30000 Dalton and containing in statistical average per molecule 0.05 to 1.1 polymerizable double bonds, a radical polymerization of an ethylenically unsaturated monomer or an ethylenically unsaturated monomer blending in the presence of a water insoluble initiator or a blending based on water insoluble initiators, the weight ratio between the polyurethane resin, on the one hand, and the ethylenically unsaturated monomers or the blending of ethylenically unsaturated monomers, on the other hand, being of 1:1 to 10:1, and iii) an auxiliary rheology control agent containing a synthetic polymer with ionic and/or associatively active groups. The invention also relates to methods for producing multilayer coatings form basic coating compounds and from substrates on which such compounds haven been applied. |