Non-autocross-linking binder combination, aqueous lacquer coating compounds containing the binder combination and a method for using the same

A non-autocross-linking binder composition for water dilutable lacquers, comprising:

• (A) 94 to 40% by weight of water dilutable poly(meth)acrylate resin carrying ionic groups and containing hydroxyl groups,
• (B) 1 to 10% by weight of a copolymer obtainable by a reaction comprising:
• (a) 80-95% by weight of a copolymer of
• (a1) 0.5 to 40% by weight of N,N-di-C.sub.1-4 -alkylamino-C.sub.1-8 -alkyl(meth)acrylamides or a mixture of N,N-di-C.sub.1-4 -alkylamino-C.sub.1-8 -alkyl(meth)acrylates and N-substituted (meth)acrylamides or (meth)acrylamide, or mixtures thereof, in which the ratio of amino(meth)acrylates to amido(meth)acrylates is in the range of from 1:2 to 2:1,
• (a2) 10 to 40% by weight of hydroxy-C.sub.2-8 -alkyl(meth)acrylates,
• (a3) 20 to 89.5% by weight of copolymerizable, .alpha.,.beta.- olefinically unsaturated compounds and
• (b) 5 to 20% by weight of a polyisocyanate containing unmasked isocyanate groups;
• and
• (C) 5 to 50% by weight of cross-linking agent.