Patent ID: 7990617
Filing Date: 2011-08-02
Classification: C08J,G02B,G02F,Y10T

Abstract:
1. An optical laminate comprising a light-transparent base material, and a hard coat layer and a low-refractive index layer provided in that order on the light-transparent base material, wherein the low-refractive index layer has a refractive index of not more than 1.5, the low-refractive index layer contains a contamination preventive agent and/or a slipperiness imparting agent, and the contamination preventive agent and/or slipperiness imparting agent as additives are added so that the concentrations of the contamination preventive agent and/or slipperiness imparting agent are increased from the surface of the hard coat layer toward the surface of the low-refractive index layer, wherein the contamination preventive agent and/or slipperiness imparting agent is a fluorocompound represented by general formula: wherein A represents one or at least two groups selected from the group consisting of CF B represents one or at least two groups selected from the group consisting of OCF D represents one or at least two groups selected from the group consisting of OCH w, x, y, and z are a number of more than 0 and not more than 50.