Multi-layered film

Abstract

Abstract PURPOSE: To prepare a heat-sealable multi-layered film which affords a bag capable of high temperature sterilization even at a state of being packed with an oil, by laminating thermoplastic urethane layer(s) to one or both sides of a vinylidene chloride resin layer. CONSTITUTION: A thermoplastic polyurethane having low network structure and capable of bing processed by conventional plastic processing machine, is laminated to the one or both sides of a vinylidene chloride resin film mainly composed of vinylidene chloride and copolymerized with vinyl chloride, an alkyl acrylate, etc. COPYRIGHT: (C)1979,JPO&Japio

Inventors

• 👤 Eiji Hattori
• 👤 Tadashi Ishio
• 👤 Yoshikazu Ninomiya
• 👤 Toru Takeyasu

Bibliographic Details