I. an inorganic-organic hybrid material obtained from A1. one or more partially hydrolysed alkoxysilanes of the formula (Ia), (R1O)nSiR23-nR3 (Ia) A2. optionally one or more partially hydrolysed alkoxysilanes of the formula (Ib), (R4O)nSiR54-n (Ib) B1. one or more metal alkoxides of the formula (IIa), Ti(OR6)4 (IIa) B2. optionally one or more metal alkoxides of the formula (IIb), M+(4-m)(OR7)4-m (IIb) wherein the symbols and indices have the definitions specified in the description and wherein the molar ratio of Si in components A1 and A2 to Ti in component B1 is 1-20:1; C. one or more oligomeric or polymeric polyols; D. one or more blocked, optionally modified polyisocyanates; and E. optionally one or more monomers, oligomers and/or polymers which have one or more free epoxy groups; II. optionally one or more colorants and III. optionally one or more adjuvants, is suitable especially for the decorative and protective coating of metal, glass and plastics substrates.