Cure mechanism and properties of acrylosilane coatings

Acrylosilane resin, a copolymer of trialkoxysilylalkyi methacrylate and other acrylic monomers, was developed for use as a vehicle resin for weather and chemical resistant coatings. This report discusses the crosslinking mechanism, hydrolysis and condensation reactions with two types of hardening catalysts: organotin and organic acid. This report also demonstrates the advantages of its coating properties in weather resistance, acid resistance, stain resistance, and adhesion to anodized aluminum. The coating properties are a function of its crosslinking mechanism.