Patent attributes
A curable aqueous polymer dispersion is prepared by:I) reacting a (meth)acrylate polymer A) that carries ethylenically unsaturated groups and functional groups capable of a condensation or addition reaction, with at least one compound B) whichIa) carries at least one functional group that is complementary to the functional groups of the copolymer A) that are capable of undergoing a condensation or addition reaction, and additionally at least one ionogenic, ionic group or a combination thereof, or whichIb) carries at least one functional groups that is complementary to the functional groups of the copolymer A) that are capable of condensation or addition reaction and is capable of forming an ionogenic or ionic group in a condensation or addition reaction,to give a copolymer AI) which carriers ethylenically unsaturated groups and ionogenic groups, ionic groups or a combination thereof,II) with the proviso that when the ionogenic groups are present in compound B), converting at least some of the ionogenic groups of the copolymer AI) into ionic groups, andIII) dispersing the copolymer AI) in an aqueous dispersion medium.
