Patent ID: 7132208
Filing Date: 2006-11-07
Classification: C08K,G03G

Abstract:
1. A composition to form an overcoat layer for an organic photoreceptor, the composition comprising an organic silane compound represented by Formula 1, an acrylic polymer, a polyvinyl butyral resin and a solvent: wherein R′ is at least one selected from the group consisting of a C 1 –C 20 alkyl, phenyl, vinyl, methacryloxypropyl, aminopropyl, aminoethylaminopropyl, phenylaminopropyl, chloropropyl, mercaptopropyl, acryloxypropyl, 3-glycidoxypropyl, trifluoropropyl, heptadecafluorodecyl, and isocyanatopropyl group, and R″, which is a hydrolyzable functional group, is a C 1 –C 20 alkoxy group or a halogen atom, wherein the acrylic polymer is a methyl methacrylate-methacrylic acid copolymer represented by Formula 2, and the amount thereof is in the range of 10 to 200 parts by weight based on 100 parts by weight of the organic silane compound represented by Formula 1: wherein m is 10 to 50 mol %, and n is 50 to 90 mol %.