Microporous Films
    1.
    发明申请
    Microporous Films 审中-公开
    微孔薄膜

    公开(公告)号:US20090258560A1

    公开(公告)日:2009-10-15

    申请号:US11992705

    申请日:2006-09-26

    摘要: A microporous film made of a composition containing A) 100 to 60 parts by weight of a polypropylene homopolymer, B) 0 to 40 parts by weight of a low density polyethylene or a polyethylene copolymer with butene, hexene or octene, and C) 0.005 to 0.5% by weight, relative to the weight of component A), of at least one beta-nucleating agent selected from the class consisting of organic compounds containing trisamide moieties; the film having a water vapor-permeability of ≧200 g/m2 d at 23° C./50% r.h. or ≧800 g/m2 d at 23° C./85% r.h.

    摘要翻译: 一种由含有A)100〜60重量份的聚丙烯均聚物组成的微孔膜,B)0〜40重量份的低密度聚乙烯或具有丁烯,己烯或辛烯的聚乙烯共聚物,以及C)0.005〜 至少一种选自包含三酰胺部分的有机化合物的β-成核剂的重量百分数为相对于组分A)重量的0.5% 该膜在23℃/ 50%r.h下具有> = 200g / m 2的水蒸汽渗透性。 或> = 800g / m 2,在23℃/ 85%r.h。