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METHOD FOR MANUFACTURING POLYESTER FILM COATED WITH PRIMER CAPABLE OF IMPROVING COATING STATE AND FINAL PHYSICAL PROPERTIES OF POLYESTER FILM
METHOD FOR MANUFACTURING POLYESTER FILM COATED WITH PRIMER CAPABLE OF IMPROVING COATING STATE AND FINAL PHYSICAL PROPERTIES OF POLYESTER FILM
PURPOSE: Provided is a method for manufacturing a polyester film coated with primer, which prevents the film from breaking during a drying step, and improves the workability, production efficiency and final properties of the film. CONSTITUTION: The method for manufacturing a biaxially oriented polyester film coated with a functional primer comprises a step of coating the primer onto the biaxially oriented polyester film in both directions of the machine direction and the cross-machine direction in a tender. The primer is coated on the polyester film by using a spray type coating device.
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