Japan, Feb. 24 -- SUMITOMO CHEMICAL CO LTD has got intellectual property rights for 'POLARIZING FILM AND MANUFACTURING METHOD FOR POLARIZER.' Other related details are as follows:
Application Number: JP,2021-145249
Category (FI): C08J7/02,G02B5/30,C08J7/00@Z
Stage: PROBLEM TO BE SOLVED: To provide a method of manufacturing a polarizing film which, when exposed to a high temperature environment exceeding 95degC, exhibits superior yellowing suppression effect when an interlayer-filling configuration is adopted and suppresses single transmittance deterioration when the interlayer-filling configuration is not adopted.SOLUTION: A method of manufacturing a polarizing film from a polyvinyl alcohol-based resin film is provided, the method compri...