PREPARING METHOD FOR POLARIZER, POLARIZER AND POLARIZING PLATE COMPRISING THE SAME

摘要

The present invention relates to a manufacturing method for polarizer, a polarizer manufactured by the said method and a polarizing plate including the same. The manufacturing method comprises the following steps: a step of forming laminations by laminating a polyvinyl alcoholic film on one side of a polymer film; a step of dry stretching the laminations; and a step of coating a aqueous solution including dichroic dye at a temperature of 30-80°C on the polyvinyl alcoholic film of the laminations dry stretched.