Glycerol carbonate methacrylate: A cross-linking agent for hydroxyurethane-acrylate coatings

Poly(meth)acrylates are well-known commodity polymers widely used for coating applications due to easy production, low cost and interesting properties such as their relatively high thermal stability, resistance breakage transparency. Some of these can be improved by cross-linking, therefore an additional functionalization is necessary. Carbonate group allowed reaction with amines generate a urethane linkage without the use toxic harmful isocyanates. We have synthesized (meth)acrylic copolymers functionalized cyclic carbonates groups using butyl acrylate (BA), methyl methacrylate (MMA) glycerol carbonate (GCMA) comonomers obtain cross-linkable polymers. Different ratios BA MMA been in order evaluate effect on thermo-mechanical properties. The cross-linking was performed tris(2-aminoethyl)amine at 80 °C during 2 h quantitative. cross-linked hydroxyurethane were fully characterized coatings glass steel. ease application curing process well adhesion strength tests showed that promising materials