公开(公告)号：US09102819B2

公开(公告)日：2015-08-11

申请号：US14142014

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

Inventor： Mridula Kapur ,  Mehmet Demirors ,  Philip P. Fontaine ,  Douglas S. Ginger ,  David T. Gillespie

IPC: C08L23/04 ,  C08L23/00 ,  C08L23/08 ,  C08L23/06

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/64186 ,  C08F210/14 ,  C08F210/16 ,  C08F2500/03 ,  C08J2323/08 ,  C08J2423/08 ,  C08L23/02 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  Y02P20/582 ,  C08F4/64193 ,  C08F2500/09 ,  C08F2500/12

Abstract: The instant invention provides a polyolefin composition suitable for injection molding applications, and method of making such injection molded articles. The polyolefin composition suitable for injection molding applications comprises: an ethylene/α-olefin interpolymer composition comprising: (a) from 25 to 50 percent by weight of a first ethylene/α-olefin copolymer fraction having a density in the range of from 0.924 to 0.937 g/cm3, a melt index (I2) in the range of from 0.03 to 0.3 g/10 min, (b) from 50 to 75 percent by weight of a second ethylene homopolymer fraction having a density in the range of from greater than 0.960 g/cm3, a melt index (I2) in the range of from 100 to 180 g/10 minutes, wherein said ethylene/α-olefin interpolymer composition has a density in the range of from 0.950 to 0.958 g/cm3, a melt index (I2) in the range of from 1.0 g/10 min to 3.5 g/10 min, a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.5, a molecular weight distribution (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 9 to 50.

Abstract translation: 本发明提供了适用于注塑应用的聚烯烃组合物，以及制备这种注模制品的方法。 适用于注塑应用的聚烯烃组合物包括：乙烯/α-烯烃互聚物组合物，其包含：（a）25至50重量％的第一乙烯/α-烯烃共聚物部分，其密度范围为0.924至 0.937g / cm 3，熔体指数（I 2）在0.03至0.3g / 10min的范围内，（b）50至75重量％的第二乙烯均聚物部分，其密度在大于 0.960g / cm 3，熔体指数（I 2）在100至180g / 10分钟的范围内，其中所述乙烯/α-烯烃互聚物组合物的密度范围为0.950至0.958g / cm 3，熔体 指数（I 2）在1.0g / 10min至3.5g / 10min的范围内，零剪切粘度比（ZSVR）在1.01至2.5范围内，分子量分布（Mw / Mn）在该范围内 为2.0〜4.0，tanδ为0.1弧度/秒，190℃为9〜50。

公开(公告)号：US20150148491A1

公开(公告)日：2015-05-28

申请号：US14142014

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

Inventor： Mridula Kapur ,  Mehmet Demirors ,  Philip P. Fontaine ,  Douglas S. Ginger ,  David T. Gillespie

IPC: C08L23/08 ,  C08L23/06

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/64186 ,  C08F210/14 ,  C08F210/16 ,  C08F2500/03 ,  C08J2323/08 ,  C08J2423/08 ,  C08L23/02 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  Y02P20/582 ,  C08F4/64193 ,  C08F2500/09 ,  C08F2500/12

Abstract: The instant invention provides a polyolefin composition suitable for injection molding applications, and method of making such injection molded articles. The polyolefin composition suitable for injection molding applications comprises: an ethylene/α-olefin interpolymer composition comprising: (a) from 25 to 50 percent by weight of a first ethylene/α-olefin copolymer fraction having a density in the range of from 0.924 to 0.937 g/cm3, a melt index (I2) in the range of from 0.03 to 0.3 g/10 min, (b) from 50 to 75 percent by weight of a second ethylene homopolymer fraction having a density in the range of from greater than 0.960 g/cm3, a melt index (I2) in the range of from 100 to 180 g/10 minutes, wherein said ethylene/α-olefin interpolymer composition has a density in the range of from 0.950 to 0.958 g/cm3, a melt index (I2) in the range of from 1.0 g/10 min to 3.5 g/10 min, a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.5, a molecular weight distribution (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 9 to 50.

Abstract translation: 本发明提供了适用于注塑应用的聚烯烃组合物，以及制备这种注模制品的方法。 适用于注塑应用的聚烯烃组合物包括：乙烯/α-烯烃互聚物组合物，其包含：（a）25至50重量％的第一乙烯/α-烯烃共聚物部分，其密度范围为0.924至 0.937g / cm 3，熔体指数（I 2）在0.03至0.3g / 10min的范围内，（b）50至75重量％的第二乙烯均聚物部分，其密度在大于 0.960g / cm 3，熔体指数（I 2）在100至180g / 10分钟的范围内，其中所述乙烯/α-烯烃互聚物组合物的密度范围为0.950至0.958g / cm 3，熔体 指数（I 2）在1.0g / 10min至3.5g / 10min的范围内，零剪切粘度比（ZSVR）在1.01至2.5范围内，分子量分布（Mw / Mn）在该范围内 为2.0〜4.0，tanδ为0.1弧度/秒，190℃为9〜50。

公开(公告)号：US20230118316A1

公开(公告)日：2023-04-20

申请号：US17906227

申请日：2021-03-25

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Karlheinz Hausmann ,  Sanjib Biswas ,  Brayden E. Glad ,  Douglas S. Ginger ,  Justice Alaboson ,  Ronald Wevers

IPC: B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  C08L23/06 ,  B32B15/085 ,  B32B27/18 ,  B32B27/30 ,  B32B7/03 ,  B32B38/18

Abstract: The present invention relates to oriented, multilayer polyethylene films. In one aspect, a biaxially oriented, multilayer polyethylene film comprises at least one layer comprising: (1) a polyethylene-based composition that comprises: (a) at least 97% by weight, based on the total weight of the polyethylene-based composition, of a polyethylene composition comprising: (i) from 25 to 37 percent by weight of a first polyethylene fraction having a density in the range of 0.935 to 0.947 g/cm3 and a melt index (I2) of less than 0.1 g/10 minutes; and (ii) from 63 to 75 percent by weight of a second polyethylene fraction; wherein the polyethylene composition has less than 0.10 branches per 1,000 carbon atoms when measured using 13C NMR, wherein the density of the polyethylene-based composition is at least 0.965 g/cm3, and wherein the melt index (I2) of the polyethylene-based composition is 0.5 to 10 g/10 minutes.

公开(公告)号：US20220288899A1

公开(公告)日：2022-09-15

申请号：US17632468

申请日：2020-08-04

Applicant: Dow Global Technologies LLC ,  Dow Quimica de Colombia S.A.

Inventor： Jorge Mario Rodriguez Camelo ,  Marlos Guintini de Oliveira ,  Nicolas Cardoso Mazzola ,  Sanjib Biswas ,  Joshua B. Gaubert ,  Douglas S. Ginger ,  Mridula Kapur ,  Didem Oner-Deliormanli ,  Mehmet Demirors

IPC: B32B27/08 ,  B32B27/32

Abstract: Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising a first polyolefin, a second layer comprising a second polyolefin, a third layer comprising a third polyolefin, fourth layer comprising a fourth polyolefin, and a fifth layer comprising a fifth polyolefin. The second layer may be positioned between the first layer and the third layer; the third layer may be positioned between the second layer and the fourth layer; and the fourth layer may be positioned between the third layer and the fifth layer. Two or more of the first polyolefin, second polyolefin, third polyolefin, and fourth polyolefin may be the same or different. The third polyolefin may be a polyethylene composition having a density of 0.924 g/cm3 to 0.936 g/cm3 and a melt index (I2) of 0.25 g/10 minutes to 2.0 g/10 minutes.

公开(公告)号：US10696828B2

公开(公告)日：2020-06-30

申请号：US16066895

申请日：2017-02-22

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Mridula Kapur ,  Mehmet Demirors ,  Douglas S. Ginger ,  Philip P. Fontaine ,  Amaia Bastero ,  David Lopez

IPC: C08L23/08 ,  C08F210/16

Abstract: An ethylene/alpha-olefin copolymer composition having a density from 0.935 to 0.955 g/cc; a ratio of weight average molecular weight to number average molecular weight, Mw/Mn, of from 3 to 10; a z-average molecular weight, Mz, from 200 kg/mol to 500 kg/mol; and a PENT value of greater than 500 hours at 80° C. and 2.4 MPa; wherein when the composition is formed into a monolayer pipe the pipe has a pipe hydrostatic strength of greater than 100 hours at 20° C. and 12.0 MPa. Also provided is a pipe or pipe fitting comprising the ethylene/alpha-olefin copolymer composition.

公开(公告)号：US20190322774A1

公开(公告)日：2019-10-24

申请号：US16314276

申请日：2017-06-29

Applicant: Dow Global Technologies LLC

Inventor： Linfeng Chen ,  Teresa P. Karjala ,  Mehmet Demirors ,  Douglas S. Ginger ,  Marc A. Springs

IPC: C08F4/651 ,  C08F4/655 ,  C08F210/16 ,  C08F4/654 ,  C08F210/14

Abstract: The present disclosure relates to novel procatalyst compositions including a titanium moiety, a magnesium halide support, a hydrocarbon solution in which the magnesium halide support is formed, and an electron donor modifier having the formula (I). The present disclosure further relates to a one-pot process for preparing the novel procatalyst compositions, as well as use of the novel procatalyst compositions in solution processes for polymerization of ethylene and at least one additional polymerizable monomer to form a polymer composition.

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.

公开(公告)号：US20160194464A1

公开(公告)日：2016-07-07

申请号：US14653352

申请日：2013-12-27

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Mehmet Demirors ,  Mridula Kapur ,  Pradeep Jian ,  Philip P. Fontaine ,  Douglas S. Ginger ,  David T. Gillespie ,  Mustafa Bilgen

IPC: C08J5/18 ,  C08L23/08

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/64186 ,  C08F210/14 ,  C08F210/16 ,  C08F2500/03 ,  C08J2323/08 ,  C08J2423/08 ,  C08L23/02 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  Y02P20/582 ,  C08F4/64193 ,  C08F2500/09 ,  C08F2500/12

Abstract: 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.

Abstract translation: 本发明提供一种适用于包装应用，薄膜，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至75重量％的密度在0.894至0.908g范围内的第一乙烯/α-烯烃共聚物部分 / cm 3，熔体指数（I 2）在0.2〜1g / 10分钟的范围内，和（b）25〜50重量％的第二乙烯/α-烯烃共聚物部分，其中所述乙烯/ α-烯烃互聚物组合物的密度范围为0.910〜0.924g / cm3，熔体指数（I2）为0.5〜2g / 10分钟，零剪切粘度比（ZSVR）为 1.15至2.5，分子量分布表示为重均分子量与数均分子量（Mw / Mn）的比值在2.0至4.0的范围内，tanδ在0.1弧度/秒和190℃ 在6到43的范围内。

公开(公告)号：US20150259586A1

公开(公告)日：2015-09-17

申请号：US14432222

申请日：2013-09-30

Applicant: Dow Global Technologies LLC

Inventor： Mridula Kapur ,  Mehmet Demirors ,  Jain Pradeep ,  Joshua Gaubert ,  Douglas S. Ginger ,  Mustafa Bilgen ,  Gagan Saini ,  Michael D. Turner

IPC: C09K3/10 ,  B32B27/08 ,  B65D85/00 ,  B32B27/36 ,  B32B27/32 ,  C08F210/16 ,  B32B27/34

CPC classification number: C09K3/10 ,  B32B27/08 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B2250/24 ,  B32B2439/70 ,  B65D85/70 ,  C08F4/6592 ,  C08F210/16 ,  C08F2410/04 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2205/025 ,  C09K2200/062 ,  Y10T428/31757 ,  Y10T428/31797 ,  Y10T428/31913 ,  C08F4/65904 ,  C08F4/64144 ,  C08F4/64193 ,  C08F2/001 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/08 ,  C08F2500/10 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/19 ,  C08F2500/26

Abstract: The instant invention provides a polyolefin composition suitable for sealant applications, sealant compositions, method of producing the same, and films and multilayer structures made therefrom. The polyolefin composition suitable for sealant applications according to the present invention comprises: an ethylene/α-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 40 to 110, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range of from 1.01 to 2.0; a density in the range of from 0.908 to 0.922 g/cm3, a melt index (I2 at 190° C./2.16 kg) in the range of from 0.5 to 5.0g/10 minutes, a molecular weight distribution (defined as the weight average molecular weight divided by the number average molecular weight, Mw/Mn) in the range of from 2.0 to 4.0, and tan delta at 0.1 radian/second, determined at 190 ° C., in the range of from 5 to 50.

Abstract translation: 本发明提供了适用于密封剂应用的聚烯烃组合物，密封剂组合物，其制备方法以及由其制备的薄膜和多层结构。 适用于根据本发明的密封剂应用的聚烯烃组合物包括：乙烯/α-烯烃互聚物组合物，其共聚单体分布常数（CDC）为40至110，乙烯基不饱和度小于0.1个乙烯基/千碳 存在于乙烯基聚合物组合物的主链中的原子; 零剪切粘度比（ZSVR）在1.01至2.0的范围内; 浓度范围为0.908-0.922g / cm3，熔体指数（在190℃/ 2.16kg的I2）为0.5-5.0g / 10分钟，分子量分布（定义为重量 平均分子量除以数均分子量Mw / Mn的范围为2.0-4.0，tanδ为0.1弧度/秒，在190℃下测定，在5至50的范围内。

公开(公告)号：US20250101211A1

公开(公告)日：2025-03-27

申请号：US18728241

申请日：2022-01-13

Applicant: Dow Global Technologies LLC

Inventor： Sanjib Biswas ,  Carol Tsai ,  Douglas S. Ginger ,  Johnathan E. DeLorbe ,  Philip P. Fontaine

IPC: C08L23/0807 ,  C08F2/00 ,  C08F210/16

Abstract: According to one or more embodiments, a polyethylene composition, which may include a first polyethylene fraction area defined by an area in an elution profile via iCCD analysis method in a temperature range of 45° C. to 90° C.; a first peak in the temperature range of 45° C. to 90° C. in the elution profile; a second polyethylene fraction area defined by an area in the elution profile in a temperature range of 90° C. to 120° C.; a second peak in the temperature range of 90° C. to 120° C. in the elution profile; and a local minimum in a temperature range of from 80 C to 95° C. in the elution profile. The polyethylene composition may have a density of 0.924 g/cm3 to 0.936 g/cm3 and a melt index (I2) of 0.5 g/10 minutes to 1.2 g/10 minutes. A ratio of the first polyethylene fraction area to the second polyethylene fraction area may be 2.0 to 4.0.