BIAXIALLY ORIENTED POLYPROPYLENE FILM WITH IMPROVED MOISTURE BARRIER
    1.
    发明申请
    BIAXIALLY ORIENTED POLYPROPYLENE FILM WITH IMPROVED MOISTURE BARRIER 审中-公开
    双向聚对苯二甲酸乙二醇酯膜与改进的水分阻隔

    公开(公告)号:US20130295395A1

    公开(公告)日:2013-11-07

    申请号:US13842551

    申请日:2013-03-15

    IPC分类号: C08L23/12 B32B15/085

    摘要: Embodiments herein relate to a biaxially oriented film comprising a core layer (B) comprising a blend of a high density polyethylene and a crystalline polypropylene, wherein the biaxially oriented film has a lower moisture vapor transmission rate than that of a biaxially oriented polypropylene (BOPP) film have a same structure and composition as that the biaxially oriented film except the BOPP film has the core layer (B) containing 100 wt % of the crystalline polypropylene.

    摘要翻译: 本文的实施方案涉及双轴取向膜,其包含包含高密度聚乙烯和结晶聚丙烯的共混物的芯层(B),其中所述双轴取向膜具有比双轴取向聚丙烯(BOPP)低的水蒸汽透过率, 膜具有与BOPP膜以外的双轴取向膜具有包含100重量%的结晶聚丙烯的芯层(B)相同的结构和组成。