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    Ethylene based polymers and articles made therefrom
    22.
    发明授权
    Ethylene based polymers and articles made therefrom 有权
    基于乙烯的聚合物和由其制成的制品

    公开(公告)号：US09458311B2

    公开(公告)日：2016-10-04

    申请号：US14329392

    申请日：2014-07-11

    Applicant: ExxonMobil Chemical Patents Inc.

    Inventor： Mallarie D. McCune ,  Jianya Cheng ,  Steven A. Best

    IPC: C08L23/08

    CPC classification number: C08L23/0815 ,  C08L2203/16 ,  C08L23/10 ,  C08L23/16

    Abstract: Polymer compositions that include an ethylene-based polymer and a broad molecular weight distribution propylene-based polymer having a melt strength of 20.0 cN to 200.0 cN; and optionally, a propylene-based elastomer are described. The invention also includes articles, such as films, produced from such compositions and methods of making such compositions and methods of improving melt strength.

    Abstract translation: 包含乙烯基聚合物和熔体强度为20.0cN至200.0cN的宽分子量分布丙烯基聚合物的聚合物组合物; 并且任选地描述了基于丙烯的弹性体。 本发明还包括由这些组合物制备的制品，如薄膜，以及制备这种组合物的方法以及提高熔体强度的方法。

    Modified Polyethylene Compositions with Enhanced Melt Strength
    23.
    发明申请
    Modified Polyethylene Compositions with Enhanced Melt Strength 审中-公开
    改进的聚乙烯组合物，具有增强的熔体强度

    公开(公告)号：US20160272798A1

    公开(公告)日：2016-09-22

    申请号：US15080000

    申请日：2016-03-24

    Applicant: ExxonMobil Chemical Patents Inc.

    Inventor： Jianya Cheng ,  Pradeep P. Shirodkar ,  Peijun Jiang ,  Johannes M. Soulages

    IPC: C08L23/06 ,  C08J5/18

    CPC classification number: C08L23/06 ,  C08F210/18 ,  C08F236/20 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/08 ,  C08L9/00 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2207/07 ,  C08F210/14 ,  C08F2500/09 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/19 ,  C08L23/083

    Abstract: The present invention relates to a branched modifier and a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g′vis of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a) a g′vis of 0.70 or less; b) an Mw of 100,000 g/mol or more; c) an Mw/Mn of 4.0 or more; d) a shear thinning ratio of 110 or more, e) a melt strength of 10 cN or more; f) a complex viscosity at 0.1 rad/sec at 190° C. of at least 130,000 Pa·s; and g) a phase angle of Z° or less where Z=138.3 G*(−0.142), where G* is the complex modulus reported in Pascals measured at 190° C. and the phase angle units are reported in degrees, wherein the G* is from 1,000 to 1,000,000 Pa.

    Abstract translation: 支链改性剂和组合物，其包含超过25重量％（基于组合物的重量）的一种或多种线性乙烯聚合物，其具有0.97以上的Mw和20,000g / mol的Mw， 更多且至少0.1重量％的支化改性剂，其中改性剂具有0.70以下的a）ag'vis; b）Mw为100,000g / mol以上; c）Mw / Mn为4.0以上; d）剪切稀化比为110或更大，e）熔体强度为10cN以上; f）在190℃下0.1rad / sec下的复数粘度至少为130,000Pa·s; 并且g）Z°或更小的相位角，其中Z = 138.3G *（ - 0.142），其中G *是在190℃下测量的帕斯卡报告的复数模量，并且以角度报告相位角单位，其中 G *为1,000至1,000,000Pa。

    Modified polyethylene compositions with enhanced melt strength
    25.
    发明授权
    Modified polyethylene compositions with enhanced melt strength 有权

    公开(公告)号：US11180644B2

    公开(公告)日：2021-11-23

    申请号：US16502256

    申请日：2019-07-03

    Applicant: ExxonMobil Chemical Patents Inc.

    Inventor： Jianya Cheng ,  Pradeep P. Shirodkar ,  Peijun Jiang ,  Johannes M. Soulages

    IPC: C08L23/08 ,  C08L23/06 ,  C08F236/20 ,  C08F210/18 ,  C08J5/18 ,  C08L9/00

    Abstract: The present invention relates to a branched modifier and a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g′vis of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a) a g′vis of 0.70 or less; b) an Mw of 100,000 g/mol or more; c) an Mw/Mn of 4.0 or more; d) a shear thinning ratio of 110 or more, e) a melt strength of 10 cN or more; f) a complex viscosity at 0.1 rad/sec at 190° C. of at least 130,000 Pa·s; and g) a phase angle of Z° or less where Z=138.3G*(−0.142), where G* is the complex modulus reported in Pascals measured at 190° C. and the phase angle units are reported in degrees, wherein the G* is from 1,000 to 1,000,000 Pa.

    Modified polyethylene compositions for cast film
    29.
    发明授权
    Modified polyethylene compositions for cast film 有权
    用于流延膜的改性聚乙烯组合物

    公开(公告)号：US09321911B2

    公开(公告)日：2016-04-26

    申请号：US13851752

    申请日：2013-03-27

    Applicant: ExxonMobil Chemical Patents Inc.

    Inventor： Pradeep P. Shirodkar ,  Jianya Cheng ,  Peijun Jiang ,  Arturo Leyva ,  Steven A. Best

    IPC: C08L23/08 ,  C08L23/06 ,  C08F210/18 ,  C08F210/14 ,  C08F210/16

    CPC classification number: C08L23/06 ,  C08F210/14 ,  C08F210/16 ,  C08F210/18 ,  C08L23/08 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2207/07

    Abstract: The present invention relates to a cast film comprising a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g′vis of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a) a g′vis of 0.90 or less; b) an Mw of 100,000 g/mol or more; c) an Mw/Mn of 3.0 or more; d) an Mz/Mn of 7.0 or more; e) a shear thinning ratio of 40 or more; and f) an I21 of 20 dg/min or less; where the film has at least a 10% reduction in neck-in as compared to the same composition formed into a film under the same conditions, except that the branched modifier is absent.

    Abstract translation: 本发明涉及包含组合物的流延薄膜，该组合物包含大于25wt％（基于组合物的重量）的一种或多种线性乙烯聚合物，其具有0.97以上的Mw和20,000g / mol的Mw， 更多和至少0.1重量％的支化改性剂，其中改性剂的a'ag'vis为0.90以下; b）Mw为100,000g / mol以上; c）Mw / Mn为3.0以上; d）Mz / Mn为7.0以上; e）剪切稀化比为40以上; 和f）20dg / min以下的I21; 除了不存在支化改性剂之外，与相同条件下形成膜的相同组合物相比，膜的颈缩度至少降低10％。

    HDPE Modified Polyethylene Blown Film Compositions Having Excellent Bubble Stability
    30.
    发明申请
    HDPE Modified Polyethylene Blown Film Compositions Having Excellent Bubble Stability 审中-公开
    具有优异泡沫稳定性的HDPE改性聚乙烯吹膜组合物

    公开(公告)号：US20140155553A1

    公开(公告)日：2014-06-05

    申请号：US14086450

    申请日：2013-11-21

    Applicant: ExxonMobil Chemical Patents Inc.

    Inventor： Pradeep P. Shirodkar ,  Jianya Cheng ,  Rahul R. Kulkarni

    IPC: C08L23/08

    CPC classification number: C08L23/0815 ,  C08J5/18 ,  C08J2323/08 ,  C08J2423/06 ,  C08L23/06 ,  C08L2203/16 ,  C08L2207/062

    Abstract: The present invention relates to polyethylene compositions comprising one or more ethylene polymers and one or more HDPE modifiers, in particular, this invention further relates to polyethylene blends comprising one or more ethylene polymers and one or more HDPE modifiers, wherein the modifier has: 1) a density of greater than 0.94 g/cc; 2) a Mw/Mn greater than 5; 3) a melt index (ASTM 1238, 190° C., 2.16 kg) of less than 0.7 dg/min; and 4) a g′vis of 0.96 or less.

    Abstract translation: 本发明涉及包含一种或多种乙烯聚合物和一种或多种HDPE改性剂的聚乙烯组合物，特别地，本发明还涉及包含一种或多种乙烯聚合物和一种或多种HDPE改性剂的聚乙烯共混物，其中改性剂具有：1） 密度大于0.94g / cc; 2）Mw / Mn大于5; 3）小于0.7dg / min的熔体指数（ASTM 1238,190℃，2.16kg）; 和4）g'vis为0.96以下。

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