| abstract |
A pressure sensitive adhesive composition comprises an acrylic copolymer component (A) which is at least in part an acetoacetyl group-containing acrylic copolymer and preferably at least one curing component (B) selected from the class consisting of isocyanate compounds, epoxy compounds, aldehyde compounds, non-amino resin amine compounds, metal salts, metal alkoxides, metal chelate compounds, ammonium salts and hydrazine compounds. The polymer (A) preferably contains units derived from acetoacetylated 2-hydroxy-ethyl-methacrylate. |