BIAXIALLY ORIENTED NYLON FILM, LAMINATE FILM, LAMINATE PACKAGING MATERIAL, AND PRODUCTION METHOD OF BIAXIALLY ORIENTED NYLON FILM

PROBLEM TO BE SOLVED: To provide: a biaxially oriented nylon film in which white unevenness is not distinguished after printing and laminating; a laminate film using the film; a laminate packaging material using the laminate film; and a production method of a biaxially oriented nylon film.SOLUTION:...

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Bibliographische Detailangaben
Hauptverfasser: SHINTANI MASAYUKI, TAKASHIGE MASAO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide: a biaxially oriented nylon film in which white unevenness is not distinguished after printing and laminating; a laminate film using the film; a laminate packaging material using the laminate film; and a production method of a biaxially oriented nylon film.SOLUTION: In a biaxially oriented nylon film made by drawing an original fabric film using a nylon resin as a raw material in a tube shape, the raw material includes at least 200 mass ppm and at most 1,500 mass ppm of a water repellency agent, only an external surface of a resin web in which the raw material is melted and extruded in a tube shape is cooled by water to form the original fabric film, and a surface of the biaxial oriented nylon film corresponding to the external surface is surface-treated.