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    RESIN COMPOSITIONS FOR EXTRUSION COATING
    43.
    发明申请
    RESIN COMPOSITIONS FOR EXTRUSION COATING 审中-公开

    公开(公告)号：US20180079897A1

    公开(公告)日：2018-03-22

    申请号：US15564149

    申请日：2016-04-26

    Applicant: Dow Global Technologies LLC

    Inventor： Jian Wang ,  Mehmet Demirors ,  Douglas S. Ginger

    IPC: C08L23/06 ,  C08L23/08

    CPC classification number: C08L23/06 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/066

    Abstract: Polyethylene-based compositions are provided that can be used, for example, in the formation of film layers. In one aspect, a composition comprises (a) a first linear low density polyethylene having a density of 0.900 to 0.915 g/cm3 and a melt index (I2) of 5.0 to 25 g/10 min, wherein the linear low density polyethylene is a blend of at least two components: (i) 20-40% by weight of a second linear low density polyethylene, wherein the second linear low density polyethylene is a homogeneously branched ethylene/α-olefin interpolymer having a density of 0.870-0.895 g/cm3 and a melt index (I2) of 2.0-6.0 g/10 min; and (ii) 60-80% by weight of a third linear low density polyethylene, wherein the density of the third linear low density polyethylene is at least 0.02 g/cm3 greater than the density of the second linear low density polyethylene and wherein the melt index (I2) of the third linear low density polyethylene is at least twice the melt index (I2) of the second linear low density polyethylene.

    AN ETHYLENE/ALPHA-OLEFIN INTERPOLYMER COMPOSITION
    47.
    发明申请
    AN ETHYLENE/ALPHA-OLEFIN INTERPOLYMER COMPOSITION 有权
    乙烯/丙烯酰胺嵌段共聚物

    公开(公告)号：US20160060373A1

    公开(公告)日：2016-03-03

    申请号：US14888018

    申请日：2014-04-29

    Applicant: DOW GLOBAL TECHNOLOGIES LLC

    Inventor： Jian Wang ,  Mehmet Demirors ,  Amaia Bastero

    IPC: C08F210/16 ,  C08K5/24 ,  C08K5/134 ,  C08K5/13 ,  C08K5/101 ,  C08K5/52

    CPC classification number: C08F210/16 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F2420/02 ,  C08K5/101 ,  C08K5/13 ,  C08K5/134 ,  C08K5/24 ,  C08K5/52 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/18 ,  C08L2205/025 ,  F16L9/12 ,  C08F210/14 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/02 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2/001 ,  C08F4/642 ,  C08F4/65904

    Abstract: An ethylene/alpha-olefin interpolymer composition suitable for pipe applications prepared via solution polymerization process, and pipes made therefrom. The ethylene/alpha-olefin interpolymer composition suitable for pipe applications according to the present invention comprises greater than 80 percent by weight of units derived from ethylene and 20 percent or less by weight of units derived from one or more alpha olefin co-monomers, wherein said ethylene/alpha-olefin interpolymer has a density in the range of from 0.925 to 0.935 g/cm3, a melt index I2 in the range of from 0.3 to 1.0 g/10 minutes, a melt flow ratio I10/I2 in the range of from 7.9 to 11, a melt strength in the range of from 3 to 10 cN, a DSC heat curve having a melting peak temperature in the range of from 120 to 130° C., a crystallinity in the range of from 50 to 70 percent, a 1% flexural modulus in the range from 350 to 600 MPa, and a zero shear viscosity ratio (ZSVR) in the range of from 2 to 10.

    Abstract translation: 适用于通过溶液聚合法制备的管道应用的乙烯/α-烯烃互聚物组合物，以及由其制成的管材。 适用于根据本发明的管道应用的乙烯/α-烯烃互聚物组合物包含大于80重量％的衍生自乙烯的单元和20重量％或更少的衍生自一种或多种α-烯烃共聚单体的单元，其中 所述乙烯/α-烯烃互聚物的密度范围为0.925-0.935g / cm3，熔体指数I2在0.3-1.0g / 10分钟范围内，熔体流动比I10 / I2在 7.9至11，熔体强度范围为3至10cN，DSC热曲线的熔融峰温度为120-130℃，结晶度为50-70％ ，350至600MPa范围内的1％挠曲模量和2至10范围内的零剪切粘度比（ZSVR）。

    Polyolefin blend composition
    48.
    发明授权
    Polyolefin blend composition 有权
    聚烯烃共混组合物

    公开(公告)号：US09273219B2

    公开(公告)日：2016-03-01

    申请号：US14422036

    申请日：2013-10-01

    Applicant: Dow Global Technologies LLC

    Inventor： Jian Wang ,  Mridula Kapur ,  James L. Cooper

    IPC: C08L23/06 ,  C08L23/08 ,  C09D123/08 ,  B32B27/32

    CPC classification number: C09D123/0815 ,  B32B27/32 ,  C08L23/06 ,  C08L23/0807 ,  C08L23/0815

    Abstract: The instant invention provides a polyolefin blend composition suitable for extrusion coating or extrusion lamination applications, and multilayer structure and articles made therefrom. The polyolefin blend composition suitable for extrusion coating or extrusion lamination applications according to the present invention comprises (a) a linear low density polyethylene composition comprising: less than or equal to 100 percent by weight of the units derived from ethylene; less than 35 percent by weight of units derived from one or more ?-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.890 to 0.940 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 4 to 30 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.0 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2; and (b) less than 50 percent by weight of a low density polyethylene composition having a density in the range of 0.915 to 0.930 g/cm3, a melt index (I2) in the range of 0.1 to 10 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of 6 to 15.

    Abstract translation: 本发明提供了适用于挤出涂布或挤出层压应用的聚烯烃共混组合物，以及由其制成的多层结构和制品。 适用于根据本发明的挤出涂布或挤出层压应用的聚烯烃共混物组合物包含（a）线性低密度聚乙烯组合物，其包含：小于或等于100重量％的衍生自乙烯的单元; 少于35重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述聚乙烯组合物的密度在0.890至0.940g / cm3范围内，分子量分布（Mw / Mn）在2.5至4.5的范围内，熔体指数（I 2）在4-30g / 10分钟，存在于所述组合物的骨架中的每1000个碳原子的分子量分布（Mz / Mw）为2.0-3，乙烯基不饱和度小于0.1个乙烯基，零剪切粘度比（ZSVR） 在1到1.2的范围内; 和（b）小于50重量％的密度在0.915-0.930g / cm3范围内的熔融指数（I 2）在0.1-10g / 10分钟范围内的低密度聚乙烯组合物和 分子量分布（Mw / Mn）在6〜15的范围内。

    LINEAR LOW DENSITY COMPOSITION SUITABLE FOR FILM APPLICATIONS AND FILMS MADE THEREFROM
    50.
    发明申请
    LINEAR LOW DENSITY COMPOSITION SUITABLE FOR FILM APPLICATIONS AND FILMS MADE THEREFROM 审中-公开
    线性低密度组合物适用于薄膜应用和膜片

    公开(公告)号：US20150259445A1

    公开(公告)日：2015-09-17

    申请号：US14433875

    申请日：2013-10-01

    Applicant: DOW GLOBAL TECHNOLOGIES LLC

    Inventor： Mridula Kapur ,  Jian Wang ,  Ayush A. Bafna ,  Troy M. Tambling ,  Robert N. Reib

    IPC: C08F10/14

    CPC classification number: C08F10/14 ,  C08F4/65925 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/08 ,  C08F2500/03 ,  C08F2500/26

    Abstract: The instant invention provides a linear low density polyethylene composition suitable for film applications, and films made therefrom. The linear low density polyethylene composition suitable for film applications comprises: (a) less than or equal to 100 percent by weight of the units derived from ethylene; and (b) less than 35 percent by weight of units derived from one or more α-olefin comonomers; wherein said linear low density polyethylene composition has a density in the range of 0.905 to 0.925 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 2.5 to 4.5, a melt index (I2) in the range of 0.1 to 3 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from 2.2 to 3, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition, and a zero shear viscosity ratio (ZSVR) in the range from 1 to 1.2.

    Abstract translation: 本发明提供了适用于薄膜应用的线性低密度聚乙烯组合物和由其制成的薄膜。 适用于薄膜应用的线性低密度聚乙烯组合物包括：（a）小于或等于100重量％的衍生自乙烯的单元; 和（b）少于35重量％的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述线性低密度聚乙烯组合物的密度范围为0.905至0.925g / cm3，分子量分布（Mw / Mn）在2.5至4.5的范围内，熔体指数（I 2）在0.1至 3g / 10分钟，分子量分布（Mz / Mw）在2.2至3的范围内，乙烯基不饱和度小于0.1个乙烯基，每1000个碳原子存在于所述组合物的主链中，零剪切粘度比 （ZSVR）范围从1到1.2。

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