Polymerizable compositions and optical articles prepared therefrom

A polymerizable non-aqueous dispersion, wherein the non-aqueous dispersion comprises:

• (a) a polymerizable component as a continuous phase, wherein the polymerizable component (a) comprises two or more ethylenic unsaturations;
• and
• (b) polymeric microparticles dispersed in the continuous phase, wherein the microparticles comprise a dispersion polymerization reaction product prepared from a reaction mixture comprising an ethylenically unsaturated monomer, and an acrylic polymer stabilizer, and wherein said polymeric microparticles have a particle size of less than 500 nm,
• wherein the polymerizable component (a) comprises:
• (a) at least one first (meth)acrylate functional monomer represented by the following Formula (I),
• wherein,
• L1 is selected from, a multivalent optionally substituted hydrocarbyl group optionally interrupted with at least one of —C(O)—, —S—, —O—, and combinations thereof, and a divalent linking group represented by the following Formula (A),
• wherein Y is O or S,
• L2 is independently for each n a divalent optionally substituted hydrocarbyl group optionally interrupted with at least one of —O— and —S—,
• R1 is independently selected for each n from hydrogen and methyl, and n is from 2 to 6;
• (b) optionally, a polymerization moderator;
• and
• (c) optionally, at least one monoethylenically unsaturated monomer.