| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated optical polyester film using an easily adhesive polyester film which is excellent in adhesiveness and appearance and further has good adhesiveness to various optical resin compositions.SOLUTION: There is provided a laminated optical polyester film obtained by laminating at least one optical functional layer selected from a hard coat layer, a light diffusion layer, a lens layer, an electromagnetic wave absorption layer, a near infrared ray interrupting layer and a transparent conductive layer on the coating layer of an easily adhesive polyester film having a coating layer mainly composed of an urethane resin and a blocked isocyanate on at least one surface of a polyester film, wherein the blocked isocyanate has a dissociation temperature of 130°C or less and a blocking agent has a boiling point of 180°C or more. |
