| 摘要 |
PROBLEM TO BE SOLVED: To provide an antireflection film having improved hardness of a silicon oxide film which is disposed in an outermost surface and comprises a hydrolyzed condensate of an organic silicon compound.SOLUTION: An optical laminate film is provided, including (A) a hard coat layer and (B) a low refractive index layer layered on a transparent substrate film. The (B) low refractive index layer is a film containing silicon oxide that is a condensate of one or more compounds selected from tetra-functional alkoxysilane and its hydrolysate. The (B) low refractive index layer contains solid colloidal silica particles having a particle diameter of 25 to 100 nm. The (B) low refractive index layer preferably further includes hollow colloidal silica particles, and preferably shows, in a scratch resistance test, a hardness represented by 35 μN or higher of vertical force and -17 μN or lower of horizontal force. |
