Patent ID: 8748506

Claim:
A coating composition which provides a flexible and abrasion-resistant coating when cured, the coating composition comprising: an adduct of a multifunctional acrylate monomer component and an amino-organofunctional silane, wherein the amino-organofunctional silane is represented by the formula: X a Si[Q 1 (NHQ 2 ) b NZH] 4-a , where: X is an alkoxy group having from 1 to 6 carbon atoms, Q 1 and Q 2 are the same or different divalent hydrocarbon groups, Z is a hydrogen or a monovalent hydrocarbon group, a is an integer from 1 to 3, and b is an integer from 0 to 6; an organic solvent component; an acid; a colloidal silica component; and a multifunctional urethane acrylate oligomer component.