发明名称 MEDICAL MULTILAYER FILM AND CONTAINERS HAVING PLURALITY OF CHAMBERS
摘要 A multilayered medical film mainly used for forming a double-compartment medical container and excellent in heat resistance, transparency, flexibility, impact resistance, and easiness in peeling and sealing, which film is composed of: an inner layer formed from a resin mixture composed of an ethylene/.alpha.-olefin copolymer having a density of 0.930-0.945 g/cm3 and polypropylene, an intermediate layer containing at least one mixed resin layer formed from a resin mixture, in a ratio of 1:5 to 2:1 by weight, of an ethylene/.alpha.-olefin copolymer having a density of 0.920-0.945 g/cm3 and an ethylene/.alpha.-olefin elastomer having a density of 0.880-0.890 g/cm3, wherein the mixed resin layer accounts for at least 85% of the whole intermediate layer in thickness, and an outer layer formed from an ethylene/.alpha.-olefin copolymer having a density of 0.930-0.945 g/cm3.
申请公布号 CA2133565(C) 申请公布日期 2002.09.10
申请号 CA19942133565 申请日期 1994.02.02
申请人 OTSUKA PHARMACEUTICAL FACTORY, INC. 发明人 INOUE, FUJIO;IZUMI, MASAMITSU;KASHIYAMA, SHIGETOSHI
分类号 A61L15/24;A61J1/00;A61J1/10;A61J1/20;B32B27/32;B65D65/40 主分类号 A61L15/24
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