| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical film having thermochromic property with excellent repetition durability, and a production method of the optical film.SOLUTION: The optical film of the present invention has an optical functional layer comprising at least vanadium dioxide-containing fine particles and a binder resin. The optical functional layer contains at least two binder resins having different glass transition temperatures, in which at least one of the binder resins has a glass transition temperature of 65°C or lower.SELECTED DRAWING: Figure 1 |
