HARDENABLE POLYMERIC COMPOSITIONS BASED ON A MICHAEL ADDITIONPRODUCT, PROCESS FOR ITS PREPARATION AND ITS USE

摘要

The invention concerns a curable composition containing A) compounds with at least two activated double bonds (I) based on alpha , beta -unsaturated carbonyl compounds, alpha , beta -unsaturated carboxylic esters or alpha , beta -unsaturated nitrile groups; B) compounds containing either at least one primary amino group blocked by an aldehyde or ketone with not more than 10 carbon atoms or at least two groups which can be hydrolysed to NH groups; and C) ordinary additives, possibly catalysts, possibly pigments and organic solvents. Component A or component B or component A and B are based on a branched, soluble acrylate copolymerizate P which can be obtained by copolymerization of a) 5 to 30 wt.% of monomers with at least ethylenically unsaturated polymerizable double bonds, b) 5 to 60 wt.% of momomers with one functional group and c) 5 to 90 wt.% of other ethylenically unsaturated monomers, the sum of a), b) and c) being equal to 100 wt.%. The invention also concerns methods for preparing the curable composition and its use.