Patent ID: 7416781

Claim:
An article comprising a transparent coating, wherein the coating has a thickness of at least 30 μm, a relative elastic resilience to DIN 55676 of at least 70%, and a scratch resistance corresponding to a score of not more than 2 in a steel wool scratch test according to DIN 1041 after 10 double strokes; and wherein the coating is prepared from a coating material comprising an aqueous dispersion with a pH of from 2 to 7 comprising: (A) at least one swellable polymer and/or oligomer containing at least one functional group that is at least one of an anionic functional group, a potentially anionic functional group, and/or a nonionic hydrophilic functional group, (B) surface-modified, cationically stabilized inorganic nanoparticles of at least one kind, and (C) at least one amphiphile.