Patent ID: 7972656

Claim:
A composition for providing a transparent, tintable, abrasion-resistant, coating when applied to a substrate and cured, comprising a blocked isocyanate and an aqueous-organic solvent mixture comprising: a. a solvent constituent; b. hydrolysis products and partial condensates of a diol functional organopolysiloxane and at least one multifunctional crosslinker, wherein the multifunctional crosslinker is selected from multifunctional carboxylic acids, multifunctional anhydrides, and silylated multifunctional anhydrides; and c. an amount of water sufficient to hydrolyze the multifunctional crosslinker and the diol functional organopolysiloxane and, wherein the diol functional organopolysiloxane is present in a molar ratio to the multifunctional crosslinker of from about 10:1 to 1:10.