Low-Temperature Impact-Resistant Polyamide-Based Stretch-Oriented Multilayer Film
Patent #: 7,018,719
Inventor(s): Takahisa Ueyama, Tadayoshi Itoh and Takeo Higashi
Company: Kureha Corporation
A stretch-oriented multilayer film was patented. It comprises at least three layers including a surface layer made of a thermoplastic resin, an intermediate layer made of a polyamide resin and a surface layer comprising a sealable resin. The multilayer film exhibits an impact energy of at least 1.5 Joule at a conversion thickness of 50 mm at -10°C.
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