LOW DENSITY ETHYLENE-BASED POLYMER COMPOSITIONS WITH HIGH MELT STRENGTH AND MID-HIGH DENSITY CONTROL
    6.
    发明申请
    LOW DENSITY ETHYLENE-BASED POLYMER COMPOSITIONS WITH HIGH MELT STRENGTH AND MID-HIGH DENSITY CONTROL 有权
    具有高密度强度和中高密度控制的低密度乙烯基聚合物组合物

    公开(公告)号:US20160090476A1

    公开(公告)日:2016-03-31

    申请号:US14889221

    申请日:2014-05-21

    Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and a second ethylene-based polymer, formed by a high pressure, free-radical polymerization process, such composition comprising the following properties: a) a melt index (12) from 2.0 to 10 dg/min; b) a density from 0.922 to 0.935 g/cc; and wherein the second ethylene-based Hyper polymer is present in an amount from 60 to 95 weight percent, based on the sum of the weight of the first polymer and the second polymer; and wherein the second ethylene-based polymer has a density greater than, or equal to, 0.924 g/cc; and wherein the first ethylene-based polymer has a melt index less than 2.5 dg/min

    Abstract translation: 本发明提供一种组合物,其包含通过高压自由基聚合方法形成的第一乙烯类聚合物和通过高压自由基聚合方法形成的第二乙烯类聚合物,所述组合物包含以下 性质:a)2.0至10dg / min的熔体指数(12); b)密度为0.922至0.935g / cc; 并且其中基于所述第一聚合物和所述第二聚合物的重量之和,所述第二基于乙烯的Hyper聚合物以60至95重量%的量存在; 并且其中所述第二乙烯类聚合物的密度大于或等于0.924g / cc; 并且其中所述第一乙烯类聚合物的熔融指数小于2.5dg / min

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