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    ETHYLENE-BASED POLYMER COMPOSITIONS FOR IMPROVED EXTRUSION COATINGS
    54.
    发明申请
    ETHYLENE-BASED POLYMER COMPOSITIONS FOR IMPROVED EXTRUSION COATINGS 审中-公开

    公开(公告)号：US20180134881A1

    公开(公告)日：2018-05-17

    申请号：US15574261

    申请日：2015-06-30

    Applicant: Dow Global Technologies LLC

    Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Yijian Lin ,  James L. Cooper

    IPC: C08L23/06 ,  C09D123/06

    CPC classification number: C08L23/06 ,  C08L2205/025 ,  C08L2207/062 ,  C08L2207/066 ,  C09D123/06 ,  C08L23/0815

    Abstract: The invention provides a composition comprising at least the following: a) a first composition comprising at least one first ethylene-based polymer, formed by high pressure, free-radical polymerization, and wherein the first composition comprises the following properties: a melt index (I2) from 1.0 to 15.0 g/10 min, and density from 0.910 to 0.940 g/cc; b) a second composition comprising at least one second ethylene-based polymer, and wherein the second composition comprises the following properties; a melt index (I2) from 1.0 to 1000 g/10 min, a density greater than 0.940 g/cc; wherein the composition comprises the following properties: melt index (I2) from 2.0 to 20.0 g/10 min, and a density from 0.915 to 0.940 g/cc; and wherein the first composition is present in an amount from 65 to 95 wt %, based on the weight of the composition.

    POLYMERIZATION PROCESS FOR PRODUCING ETHYLENE BASED POLYMERS
    56.
    发明申请
    POLYMERIZATION PROCESS FOR PRODUCING ETHYLENE BASED POLYMERS 审中-公开
    用于生产基于乙烯的聚合物的聚合方法

    公开(公告)号：US20170066858A1

    公开(公告)日：2017-03-09

    申请号：US15357901

    申请日：2016-11-21

    Applicant: Dow Global Technologies LLC

    Inventor： Mehmet Demirors ,  Ruth Figueroa ,  Jerzy Klosin ,  Pulikkottil J. Thomas ,  Sylvie Desjardins ,  Mridula Kapur ,  Philip P. Fontaine

    IPC: C08F210/16

    CPC classification number: C08F210/16 ,  C08F2/001 ,  C08F4/60193 ,  Y02P20/582 ,  C08F4/64193

    Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more α-olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in in a dual reator system or a multiple reactor system, wherein first catalyst system comprises; (a) one ore more procatalysts comprising a metal-ligand complex of formula (I):

    Abstract translation: 本发明提供了一种生产乙烯基聚合物的聚合方法。 在一个实施方案中，本发明提供了一种用于生产基于乙烯的聚合物的聚合方法，其包括：在一种或多种第一催化剂体系和任选的一种或多种第二催化剂体系的存在下，将乙烯与任选的一种或多种α-烯烃聚合， 反应器系统或多反应器系统，其中第一催化剂体系包括： （a）一种或多种前催化剂，其包含式（I）的金属 - 配体络合物：

    POLYETHYLENE COMPOSITION AND FILMS MADE THEREFROM
    57.
    发明申请
    POLYETHYLENE COMPOSITION AND FILMS MADE THEREFROM 审中-公开
    聚乙烯组合物和薄膜

    公开(公告)号：US20170008985A1

    公开(公告)日：2017-01-12

    申请号：US15116343

    申请日：2015-02-09

    Applicant: Dow Global Technologies LLC

    Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Carlos G. Alfonzo ,  Nilesh R. Savargaonkar ,  Rajen M. Patel ,  Sylvie Desjardins

    IPC: C08F210/16 ,  B32B27/32 ,  B32B27/20 ,  C08J5/18 ,  B32B27/08

    Abstract: A polyethylene composition comprising the reaction product of ethylene and optionally one or more alpha-olefin comonomers in the presence of a catalyst composition comprising a multi-metallic procatalyst via solution polymerization; wherein said polyethylene composition is characterized by one or more of the following properties: a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190° C.), of from 0.9 to 5 g/10 min; density (measured according to ASTM D792) from 0.910 to 0.935 g/cc; a melt flow ratio, I10/I2, wherein I10 is measured according to ASTM D1238 (10 kg @ 190° C.), of from 6 to 7.4; and molecular weight distribution (Mw/Mn) of from 2.5 to 3.5 is provided.

    Abstract translation: 在包含通过溶液聚合的多金属原催化剂的催化剂组合物存在下，包含乙烯和任选的一种或多种α-烯烃共聚单体的反应产物的聚乙烯组合物; 其中所述聚乙烯组合物的特征在于一种或多种以下性质：根据ASTM D 1238（2.16kg，190℃）测量的熔体指数I2为0.9至5g / 10min; 密度（根据ASTM D792测量）为0.910至0.935g / cc; 熔体流动比I10 / I2，其中I10根据ASTM D1238（10kg，190℃）测量为6至7.4; 并且提供了2.5至3.5的分子量分布（Mw / Mn）。

    PROCESS TO PRODUCE ENHANCED MELT STRENGTH ETHYLENE/ALPHA-OLEFIN COPOLYMERS AND ARTICLES THEREOF
    58.
    发明申请
    PROCESS TO PRODUCE ENHANCED MELT STRENGTH ETHYLENE/ALPHA-OLEFIN COPOLYMERS AND ARTICLES THEREOF 有权
    生产增强熔体强度乙烯/丙烯共聚物的方法及其制品

    公开(公告)号：US20160326283A1

    公开(公告)日：2016-11-10

    申请号：US15216473

    申请日：2016-07-21

    Applicant: Dow Global Technologies LLC

    Inventor： Lawrence J. Effler ,  Teresa P. Karjala ,  Mehmet Demirors ,  Nilesh R. Savargaonkar ,  Selim Bensason ,  Zhe Zhou

    IPC: C08F210/16 ,  C08K5/52 ,  C08K5/134

    CPC classification number: C08F210/16 ,  C08F2/06 ,  C08F10/02 ,  C08J3/201 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08K5/134 ,  C08K5/52 ,  C08K5/524 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L23/20 ,  C08F210/14 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/17

    Abstract: An ethylene/α-olefin copolymer comprising units derived from ethylene; and units derived from at least one α-olefin; wherein the ethylene/α-olefin copolymer has a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; an Mw/Mn of from 3 to 5; and from 300 to 500 vinyl unsaturations per 1,000,000 carbon atoms in the ethylene/α-olefin copolymer is provided. Also provided is a process for producing an ethylene/α-olefin copolymer comprising: (1) polymerizing ethylene and one or more α-olefins in a polymerization reactor; (2) thereby producing an enhanced melt strength ethylene/α-olefin copolymer having from 300 to 500 vinyl unsaturation units per 1,000,000 carbon atoms, a density in the range of from 0.90 to 0.94 g/cc; a melt index (I2) in the range of from 0.05 to 50 dg/min; and a Mw/Mn of from 3 to 5.

    Abstract translation: 包含衍生自乙烯的单元的乙烯/α-烯烃共聚物; 和衍生自至少一种α-烯烃的单元; 其中所述乙烯/α-烯烃共聚物的密度在0.90至0.94g / cc的范围内; 熔体指数（I 2）在0.05至50dg / min的范围内; Mw / Mn为3至5; 并且提供了乙烯/α-烯烃共聚物中每100万个碳原子的300-500个乙烯基不饱和度。 还提供了一种生产乙烯/α-烯烃共聚物的方法，包括：（1）在聚合反应器中聚合乙烯和一种或多种α-烯烃; （2），由此产生具有每1,000,000个碳原子具有300-500个乙烯基不饱和单元的增强的熔融强度乙烯/α-烯烃共聚物，密度在0.90-0.94g / cc范围内; 熔体指数（I 2）在0.05至50dg / min的范围内; Mw / Mn为3〜5。

    POLYETHYLENE BLEND-COMPOSITION SUITABLE FOR BLOWN FILMS, AND FILMS MADE THEREFROM
    60.
    发明申请
    POLYETHYLENE BLEND-COMPOSITION SUITABLE FOR BLOWN FILMS, AND FILMS MADE THEREFROM 审中-公开
    适用于薄膜的聚乙烯混合组合物及其制备的薄膜

    公开(公告)号：US20150132514A1

    公开(公告)日：2015-05-14

    申请号：US14388735

    申请日：2013-05-22

    Applicant: Dow Global Technologies LLC

    Inventor： Jian Wang ,  Nilesh R. Savargaonkar ,  Mehmet Demirors ,  John W. Garnett, IV

    IPC: C08J5/18 ,  C08L23/08

    CPC classification number: C08J5/18 ,  B29C48/10 ,  B29K2023/0658 ,  C08J2323/08 ,  C08J2423/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025 ,  Y10T428/1352

    Abstract: The instant invention provides a polyethylene blend-composition suitable for blown films, and films made therefrom. The polyethylene blend-composition suitable for blown films comprises the melt blending product of: (a) from 0.5 to 4 percent by weight of a low density polyethylene having a density in the range of from 0.915 to 0.935 g/cm3, and a melt index (I2) in the range of from greater than 0.8 to less than or equal to 5 g/10 minutes, and a molecular weight distribution (Mw/Mn) in the range of from 6 to 10; (b) 90 percent or greater by weight of an ethylene/α-olefin interpolymer composition, wherein ethylene/α-olefin interpolymer composition has a Comonomer Distribution Constant (CDC) in the range of from 75 to 200, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene/α-olefin interpolymer composition; a zero shear viscosity ratio (ZSVR) in the range from 2 to 20; a density in the range of from 0.903 to 0.950 g/cm3, a melt index (12) in a range of from 0.1 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 1.8 to 3.5; (c) optionally a hydrotalcite based neutralizing agent; (d) optionally one or more nucleating agents; (e) and optionally one or more antioxidants.

    Abstract translation: 本发明提供了适用于吹塑薄膜的聚乙烯共混组合物和由其制成的薄膜。 适用于吹塑薄膜的聚乙烯共混物组合物包括熔融共混产物：（a）0.5-4重量％的密度为0.915-0.935g / cm3的低密度聚乙烯，熔体指数 （I 2）在大于0.8至小于或等于5g / 10分钟的范围内，分子量分布（Mw / Mn）在6至10的范围内; （b）90重量％以上的乙烯/α-烯烃互聚物组合物，其中乙烯/α-烯烃互聚物组合物的共聚单体分布常数（CDC）为75〜200，乙烯基不饱和度小于 存在于乙烯/α-烯烃互聚物组合物的骨架中的每1000个碳原子上的0.1个乙烯基; 零剪切粘度比（ZSVR）在2至20的范围内; 浓度范围为0.903〜0.950g / cm3，熔体指数（12）为0.1〜5g / 10分钟，分子量分布（Mw / Mn）为1.8〜3.5 ; （c）任选的基于水滑石的中和剂; （d）任选的一种或多种成核剂; （e）和任选的一种或多种抗氧化剂。

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