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    Use of an antimony-free polyester film for producing film bags and film tubes with high heat resistance
    1.
    发明授权
    Use of an antimony-free polyester film for producing film bags and film tubes with high heat resistance 有权
    使用无锑聚酯薄膜生产具有高耐热性的薄膜袋和薄膜管

    公开(公告)号：US08668970B2

    公开(公告)日：2014-03-11

    申请号：US13687094

    申请日：2012-11-28

    申请人： Mitsubishi Polyester Film GmbH

    发明人： Holger Kliesch ,  Cynthia Bennett ,  Bodo Kuhmann ,  Matthias Konrad ,  Thomas Hackl ,  Stefanie Bauer

    IPC分类号： B29D22/00

    CPC分类号： C08L67/03 ,  C08J5/18 ,  C08J2367/02 ,  Y10T428/1338 ,  Y10T428/1345 ,  Y10T428/31786

    摘要： Film bags or film tubes formed from biaxially oriented film including less than 10 ppm of antimony and having a haze of less than 10% are provided. The films have an ultimate tensile strength of more than 100 N/mm2; have a difference in the ultimate tensile strength in MD and TD of less than 180 N/mm2; have a tensile strain at break of more than 50%; a tensile strain at break of more than 260%; have a yellowness index b* of less than 2.5; have a lightness L*>85; include from 50 to 15 000 ppm of free-radical scavenger; have an SV of at least 600 after ovening; have a tensile strain at break of >5% after ovening; have a film thickness of from 6 to 26 μm; and include more than 90% by weight of polyester.

    摘要翻译： 提供由包含小于10ppm的锑并且雾度小于10％的双轴取向薄膜形成的薄膜袋或薄膜管。 薄膜的极限拉伸强度大于100 N / mm2; MD和TD的极限抗拉强度差异小于180 N / mm2; 断裂拉伸应变大于50％; 断裂时的拉伸应变大于260％; 黄色指数b *小于2.5; 亮度L *> 85; 包括50至15 000ppm的自由基清除剂; 烘烤后至少有600个SV; 烘烤后拉伸应变> 5％; 膜厚6〜26μm; 并且包括超过90重量％的聚酯。