Patent ID: 6841272
Filing Date: 2005-01-11
Classification: C08J,G02B,Y10T

Abstract:
1. A film for optical applications comprising (A) a hard coat layer which comprises (i) at least one metal oxide selected from the group consisting of tin oxide doped with antimony and zinc antimonate and (ii) a substance cured by heat or by an ionizing radiation, the hard coat layer having a thickness in a range of 2 to 20 μm and (B) a low refractivity layer which comprises porous silica and a polysiloxane-based polymer, the low refractivity layer having a refractive index in a range of 1.30 to 1.45 and a thickness in a range of 40 to 200 nm, layers (A) and (B) being successively laminated on at least one face of a substrate film.