| 摘要 |
The present invention provides a coarse film for optical use, which has excellent surface hardness, excellent optical deformability and excellent heat resistance. The coarse film for optical use according to the invention is obtained through stacking a layer (B) which is composed of acrylic acid series thermoplastic resin composition that comprises acrylic acid series resins on at least one surface of a layer (A) which is composed of polycarbonate series thermoplastic resin composition that comprises polycarbonate series resins. The surface of at least one layer (B) is a coarse surface. The whole thickness of the film is 30-300 mu m. The thickness of the layer (A) accounts for more than 30% of that of the whole film. The thickness of the layer (B) is more than 8 mu m. A delay value of the coarse film for the incident light with a wavelength of 590nm is less than 30 nm. |
