Polyester film and its manufacturing method

摘要

PROBLEM TO BE SOLVED: To improve a problem of a low reproduction rate. The present invention discloses a polyester film and a method for producing the same. The method for producing a polyester film is a method for reusing recycled plastic, and the manufacturing method includes a step of obtaining a physically recycled polyester resin by remanufacturing a part of the recycled plastic by physical means and a chemical method. A step of obtaining a chemically regenerated polyester resin by remanufacturing a recycled plastic of another part by means, a step of preparing a polyester composition containing a physically regenerated polyester resin and a chemically regenerated polyester resin, and a polyester composition. When the total weight of the polyester composition is 100 wt% including the step of molding the polyester film using the material, the weight ratio of the chemically regenerated polyester resin is 5 wt% or more, and the total weight of the polyester film is 5 wt% or more. Is 100 wt%, the total weight of the physically regenerated polyester resin and the chemically regenerated polyester resin is 10 wt% to 100 wt%. [Selection diagram] None