Sealable Polypropylene Films With Enhanced Stability
    3.
    发明申请
    Sealable Polypropylene Films With Enhanced Stability 审中-公开
    具有增强稳定性的可密封聚丙烯膜

    公开(公告)号:US20130202904A1

    公开(公告)日:2013-08-08

    申请号:US13712383

    申请日:2012-12-12

    IPC分类号: B32B27/28

    摘要: A multi-layered sealable film and method of storing and transporting a role of the film without buckling or starring, the film comprising a core layer comprising polypropylene sandwiched between at least a first and (optionally) second tie-layer on either side of the core; a sealable layer with two sides, one side adhered to the first tie-layer; wherein at least the first tie-layer comprising a blend of polypropylene and within the range of from 5 wt % to 40 wt % of a soft polymer additive, preferably a propylene-α-olefin elastomer having within the range of from 10 wt % to 30 wt % α-olefin derived units, wherein the blend is preferably partially or completely immiscible. A roll of the inventive films can be readily stored and transported without loss due to film defects.

    摘要翻译: 一种多层可密封薄膜和储存和输送薄膜的作用而没有翘曲或起泡的方法,该薄膜包括夹在芯体两侧的至少第一和第二连接层之间的聚丙烯芯层 ; 具有两侧的可密封层,一侧粘附到第一连接层; 其中至少所述第一连接层包含聚丙烯的共混物,并且在5重量%至40重量%的软质聚合物添加剂的范围内,优选丙烯-α-烯烃弹性体的范围为10重量%至 30重量%的α-烯烃衍生单元,其中所述共混物优选是部分或完全不混溶的。 一卷本发明的膜可以容易地存储和运输而不会由于膜缺陷而损失。