Patent ID: 8299170

Claim:
A reactivity-based self-stratifying coating comprising: a self-stratified coating containing silicon, having two distinct layers and containing a polyol other than a polyester polyol, a silsesquioxane, a polyester polyol and a crosslinker; wherein the polyol other than a polyester polyol, silsesquioxane and polyester polyol are crosslinked and the silicon is segregated to one of the two distinct layers, and the silsesquioxane is an epoxy functional silsesquioxane having a formula (R) 6 (C 6 H 11 O 2 ) 2 (SiO 1.5 ) 8 and R is selected from the group consisting of hydrogen, methyl, ethyl, propyl, butyl, pentyl, hexyl, cyclopentyl, cyclohexyl, benzyl, phenyl and isomers thereof.