| 摘要 |
PURPOSE: A polyvinyl alcohol-based film, a manufacturing method thereof, and a polarizing film including thereof are provided to prevent wrinkles from being generated during an extension process of the film. CONSTITUTION: A manufacturing method of a polyvinyl alcohol-based film comprises a step of drying the polyvinyl alcohol-based film while passing the film through a first drying surface and a second drying surface. The length of the first drying surface is 8~200 meters. The moisture content of the polyvinyl alcohol-based film when separating the film from the first drying surface, is 10~50wt%.
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