Abstract: An antistatic hard coat film including: a substrate film formed of a thermoplastic resin containing a cycloolefin polymer; and an antistatic hard coat layer provided on the substrate film, the antistatic hard coat layer containing electroconductive metal oxide fine particles, wherein the antistatic hard coat layer has a surface resistance value of 1.0×106 ?/sq. or more and 1.0×1010 ?/sq. or less, and the number of streaks each having a length of 20 cm or longer of the antistatic hard coat layer is 2 or less per area of 1,330 mm×500 mm of the antistatic hard coat layer, and the production method thereof, as well as a polarizing plate, a touch panel, and a liquid crystal display device including the antistatic hard coat film.

Abstract: An antistatic film including: a substrate film layer formed of a thermoplastic resin containing a polymer containing an alicyclic structure; and an antistatic layer containing metal oxide particles having electroconductivity, the antistatic layer being provided on the substrate film layer, wherein the antistatic layer has a surface resistance of 1.0×106 ?/square or more and 1.0×1010 ?/square or less, and image clarity of a surface of the antistatic layer is 90 or more.

Abstract: An antistatic hard coat film including: a substrate film formed of a thermoplastic resin containing a cycloolefin polymer; and an antistatic hard coat layer provided on the substrate film, the antistatic hard coat layer containing electroconductive metal oxide fine particles, wherein the antistatic hard coat layer has a surface resistance value of 1.0×106 ?/sq. or more and 1.0×1010 ?/sq. or less, and the number of streaks each having a length of 20 cm or longer of the antistatic hard coat layer is 2 or less per area of 1,330 mm×500 mm of the antistatic hard coat layer, and the production method thereof, as well as a polarizing plate, a touch panel, and a liquid crystal display device including the antistatic hard coat film.

Abstract: An optical-film wound body of a long-length optical film, formed by winding a substrate film/masking film stacked body with a length of 1,000 m or more, the substrate film/masking film stacked body being formed by stacking a substrate film and a masking film, wherein the masking film is formed of a material having a melting peak of 25° C. or higher and 70° C. or lower, and a peel strength of the substrate film with a polarizing plate at an inner wound portion and that at an outer wound portion satisfy a specific relationship; a method for storing the wound body; and a method for producing a substrate film/polarizing plate stacked body.