| abstract |
An object of the present invention is to provide a method capable of producing a polarizer having improved color durability and excellent polarization degree. SOLUTION: The method includes swelling, dyeing, crosslinking, complementary color and stretching a polarizer forming film, and at the end of the dyeing step, a distance between crystals in the polarizer forming film in a stretching direction is 20 to 40 nm. Wherein the dyeing solution contains a boric acid compound, and a crosslinking solution and a complementary color solution each containing a metal salt are used in the crosslinking and complementary color steps. [Selection diagram] None |