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Biaxially Stretched Polyester Film For Forming Container And Method Of Producing The Film



Published January 3, 2005
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A biaxially stretched polyester film for forming a container was issued a patent. The film is characterized by being formed of a polyester consisting of an ethylene terephthalate unit and an ethylene naphthalate unit. The refractive index in the direction of thickness of the film is 1.5 or greater.