COMPOSITION COMPRISING AT LEAST ONE ETHYLENE-BASED POLYMER, PREPARED FROM A FREE-RADICAL POLYMERIZATION
    41.
    发明公开
    COMPOSITION COMPRISING AT LEAST ONE ETHYLENE-BASED POLYMER, PREPARED FROM A FREE-RADICAL POLYMERIZATION 有权
    包含至少一种基于乙烯的聚合物的组合物,由自由基聚合制备

    公开(公告)号:EP3290450A1

    公开(公告)日:2018-03-07

    申请号:EP17196928.0

    申请日:2012-06-21

    IPC分类号: C08F10/02 C08F4/34 C08F2/38

    摘要: The present invention relates to a composition comprising at least one ethylene-based polymer, prepared from a free-radical polymerization, and wherein the ethylene-based polymer has the following properties:
    A) a vinyl content greater than, or equal to, 0.3 vinyl per 1000 C (total carbons), and
    B) a polymerized alpha-olefin level less than, or equal to, 1.00 mole percent, based on the total moles of polymerized monomers.

    摘要翻译: 本发明涉及包含至少一种由自由基聚合制备的基于乙烯的聚合物的组合物,并且其中所述基于乙烯的聚合物具有以下性质:A)乙烯基含量大于或等于0.3的乙烯基 每1000C(总碳),和B)基于聚合单体总摩尔数小于或等于1.00摩尔%的聚合α-烯烃含量。

    A POLYOLEFIN COMPOSITION
    45.
    发明授权
    A POLYOLEFIN COMPOSITION 有权
    聚烯烃组合物

    公开(公告)号:EP2938646B1

    公开(公告)日:2017-05-10

    申请号:EP13821405.1

    申请日:2013-12-27

    摘要: The instant invention provides a polyolefin composition suitable for packaging applications, films, multilayer structures and packaging devices made therefrom. The polyolefin composition according to the present invention comprises: an ethylene/α-olefin interpolymer composition comprising (a) from 50 to 75 percent by weight of a first ethylene/α-olefin copolymer fraction having a density in the range of 0.894 to 0.908 g/cm3, a melt index (I2) in the range of from 0.2 to 1 g/10 minutes, and (b) from 25 to 50 percent by weight of a second ethylene/α-olefin copolymer fraction, and wherein said ethylene/α-olefin interpolymer composition has a density in the range of 0.910 to 0.924 g/cm3, a melt index (I2) in the range of from 0.5 to 2 g/10 minutes, a zero shear viscosity ratio (ZSVR) in the range of from 1.15 to 2.5, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second and 190° C. in the range of from 6 to 43.

    摘要翻译: 本发明提供适用于包装应用,膜,多层结构和由其制成的包装装置的聚烯烃组合物。 根据本发明的聚烯烃组合物包含:乙烯/α-烯烃互聚物组合物,其包含(a)50-75重量%的密度范围为0.894-0.908g的第一乙烯/α-烯烃共聚物组分 /厘米3,熔体指数(I 2)为0.2-1克/ 10分钟,和(b)25-50%重量的第二乙烯/α-烯烃共聚物部分,并且其中所述乙烯/α α-烯烃互聚物组合物的密度为0.910至0.924g / cm 3,熔体指数(I 2)为0.5至2g / 10分钟,零剪切粘度比(ZSVR)为 1.15至2.5,分子量分布,以重均分子量与数均分子量之比(Mw / Mn)表示为2.0至4.0,以及0.1弧度/秒时的tanδ和190℃ 在6到43的范围内。