CYLINDRICAL PACKAGE
PROBLEM TO BE SOLVED: To provide a cylindrical package excellent in sealability of a clip portion.SOLUTION: A cylindrical package has: (A) a filling; (B) a cylindrical base material film which is filled with the filling by bundling and sealing both ends in a longitudinal direction and is formed of a...
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a cylindrical package excellent in sealability of a clip portion.SOLUTION: A cylindrical package has: (A) a filling; (B) a cylindrical base material film which is filled with the filling by bundling and sealing both ends in a longitudinal direction and is formed of a film of polyvinylidene chloride resin; and (C) a reinforcing tape which is adhered to the base material film so as to wind around the portion where the base material film is bundled and sealed and cover the portion and is formed from a film of the polyvinylidene chloride resin. A thermal shrinkage Rat 100°C in a transverse direction of the base material film before bundling and sealing is in a range of 10.0-18.9%, an acetone extraction ratio is 9.0% or less, and piercing energy at 120°C is 2.1 mJ or more.SELECTED DRAWING: None
【課題】クリップ部の密封性に優れた筒状包装体を提供すること。【解決手段】（Ａ）充填物と、（Ｂ）長手方向の両端部が集束シールされることにより前記充填物が充填されている、ポリ塩化ビニリデン系樹脂のフィルムからなる筒状の母材フィルムと、（Ｃ）前記母材フィルムが集束シールされた部分を巻回し覆うように前記母材フィルムに溶着されている、ポリ塩化ビニリデン系樹脂のフィルムからなる補強テープとを備える筒状包装体であって、集束シール前における前記母材フィルムの短手方向の１００℃における熱収縮率ＲＢ−ＴＤが１０．０〜１８．９％の範囲であり、アセトン抽出率が９．０％以下であり、１２０℃における突刺しエネルギーが２．１ｍＪ以上である、ことを特徴とする筒状包装体。【選択図】なし |
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