Compositions and Structures Having Tailored Oxygen Transmission
    7.
    发明申请
    Compositions and Structures Having Tailored Oxygen Transmission 审中-公开
    具有定量氧传输的组成和结构

    公开(公告)号:US20090142530A1

    公开(公告)日:2009-06-04

    申请号:US12327138

    申请日:2008-12-03

    IPC分类号: C08L33/02 B32B1/00

    摘要: A composition comprises an ethylene copolymer having copolymerized units of ethylene and vinyl acetate, alkyl acrylates, alkyl methacrylates, acrylic acid and ionomers thereof, methacrylic acid and ionomers and a potassium-containing component comprising a potassium-neutralized ionomer and optionally an organic acid or salt thereof and/or a polyol. Also disclosed is an article comprising or produced from the composition, which includes films, sheets and shaped articles.

    摘要翻译: 一种组合物包括具有乙烯和乙酸乙烯酯共聚单元的乙烯共聚物,丙烯酸烷基酯,甲基丙烯酸烷基酯,丙烯酸及其离聚物,甲基丙烯酸和离聚物和含有钾中和的离聚物和任选的有机酸或盐的含钾组分 和/或多元醇。 还公开了包含或由该组合物制备的制品,其包括膜,片和成形制品。

    Variable vapor barrier for humidity Control
    9.
    发明申请
    Variable vapor barrier for humidity Control 有权
    湿度可变蒸汽屏障控制

    公开(公告)号:US20080160280A1

    公开(公告)日:2008-07-03

    申请号:US11953700

    申请日:2007-12-10

    IPC分类号: B32B9/04

    摘要: Disclosed is a multilayer film or sheet, which comprises at least one vapor barrier layer and at least one vapor transmission-adjusting layer wherein the vapor transmission-adjusting layer comprises a neutralized acid copolymer or ionomer thereof, an organic acid, and optionally other polymers, having a ratio of wet cup permeance to dry cup permeance greater than 10. The vapor barrier layer comprises ethylene polymer, propylene polymer, polyvinyl alcohol, polyamide, polyester, ethylene vinyl alcohol copolymer, polyvinylidene chloride, PVC, or combinations of two or more thereof. The film is useful as a variable vapor barrier for moisture control of buildings. Also disclosed are articles comprising the multilayer film.

    摘要翻译: 公开了一种多层膜或片,其包括至少一个蒸气阻挡层和至少一个蒸汽透过调节层,其中蒸气透过调节层包含中和的酸共聚物或离聚物,有机酸和任选的其它聚合物, 具有大于10的湿杯渗透率与干杯渗透率的比率。蒸气阻隔层包括乙烯聚合物,丙烯聚合物,聚乙烯醇,聚酰胺,聚酯,乙烯乙烯醇共聚物,聚偏二氯乙烯,PVC或其两种或更多种的组合 。 该电影可用作建筑物湿度控制的可变蒸气屏障。 还公开了包含多层膜的制品。