Patent ID: 7220793
Filing Date: 2007-05-22
Classification: B05D,B82Y,C01P,C03C,C08K,C09C,C09D,C23C,Y10T

Abstract:
1. A curable film-forming composition comprising (i) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a polymer containing a plurality of functional groups reactive with the crosslinking agent; and (iii) 5 to 85 percent by volume based on the total volume of the film-forming composition of particles having a mean particle size less than 100 nm, having an index of refraction (n) that is greater than or less than that of the mixture of crosslinking agent (i) and polymer (ii) by an amount equal to or less than Δn max , wherein Δn max is determined by the equation: wherein H is an allowable haze factor and is less than 200, and d is the mean particle size of the particles (iii) in nanometers; and wherein the particles comprise a homogeneous mixture within the particles of 1 to 99 percent by weight of at least one metal oxide wherein the metal is selected from zinc, cerium, and iron; and 1 to 99 percent by weight silica.