HYDROLYSIS AND CONDENSATION-REACTIONS OF METHACRYLATE-MODIFIED ALUMINUM ALKOXIDES

The hydrolysis of aluminum tri-sec-butoxide and compounds obtained by substituting the larger functional groups for the present alkly groups in Al(O-sec-Bu)(3), and the reaction of these products with a polymer izable organic ligand, i.e. methacrylic acid, were studied together wi th the hydrolysis reactions of the final products. A good method of pr eparing high-tech materials and new composites uses organo-substituted silicon esters and/or alkoxides of various elements in a polycondensa tion process. Introducing a suitable organic network into the inorgani c backbone gives desirable properties in new coating materials. The pr eparation of such materials is possible via the hydrolysis of metal al koxides. Usually, different alkoxides have different hydrolysis rates and mechanisms and thus different condensation and complexation charac teristics.