公开(公告)号：US20230407065A1

公开(公告)日：2023-12-21

申请号：US18252570

申请日：2021-12-09

Applicant: Dow Global Technologies LLC

Inventor： Sanjib Biswas ,  Jacquelyn A. Degroot ,  Mehmet Demirors ,  Erica Spiekermann ,  John A. Naumovitz ,  Douglas S. Ginger ,  Dibyaranjan Mekap

IPC: C08L23/06 ,  C08J5/18 ,  B65D65/40

CPC classification number: C08L23/06 ,  C08J5/18 ,  B65D65/40 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2203/162 ,  C08J2323/06 ,  C08J2423/06

Abstract: Embodiments of a polyethylene composition are provided, which may include a first polyethylene fraction comprising at least one peak in a temperature range of from 40 C to 75 C in an elution profile via improved comonomer composition distribution (iCCD) analysis method, where a first polyethylene area fraction is an area in the elution profile from 40 C to 75 C, and where the first polyethylene fraction area comprises from 45% to 65% of the total area of the elution profile; and a second polyethylene fraction comprising at least one peak in a temperature range of from 85 C to 110 C in the elution profile, where a second polyethylene area fraction is an area in the elution profile from 85 C to 110 C, and where the second polyethylene fraction area comprises from 15% to 35% of the total area of the elution profile, wherein the polyethylene composition has a density of 0.905 g/cm3 to 0.918 g/cm3, a melt index (I2) of 0.7 g/10 minutes to 3.5 g/10 minutes, and wherein the composition has a melt index ratio (I10/I2) that meets the following equation: I10/I2

公开(公告)号：US20160068667A1

公开(公告)日：2016-03-10

申请号：US14762898

申请日：2014-03-13

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Mehmet Demirors ,  Teresa P. Karjala ,  Julie W. Mckenna ,  Douglas S. Ginger

IPC: C08L23/08 ,  C08J5/18 ,  C08F210/16

CPC classification number: C08L23/0815 ,  C08F4/65908 ,  C08F4/65912 ,  C08F210/16 ,  C08F2410/04 ,  C08F2420/02 ,  C08J5/18 ,  C08J2323/08 ,  C08J2423/06 ,  C08L23/06 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2207/066 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/19 ,  C08F2500/20 ,  C08F2500/26

Abstract: The instant invention provides an ethylene/alpha-olefin interpolymer composition suitable for blown film applications, and blown films made therefrom. The ethylene/alpha-olefin interpolymer composition suitable for blown film 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 0.910 to 0.918 g/cm3, a melt index I2 in the range of from 0.5 to 1.1 g/10 minutes, a melt flow ratio I10/I2 in the range of from 8 to 10, a melt strength in the range of from 3 to 6 cN, a highest temperature fraction in the range of from 11 to 14 percent determined by CEF, a highest peak temperature fraction by CEF in range of from 96 to 100° C., and a lowest temperature fraction from CEF in the range of from 2 to 5 percent, and a DSC heat curve having three melting peaks with a highest temperature melting peak in the range of from 120 to 124° C., a crystallinity in the range of from 40 to 50 percent.

Abstract translation: 本发明提供了适用于吹塑薄膜应用的乙烯/α-烯烃互聚物组合物和由其制成的吹塑薄膜。 适用于根据本发明的吹塑薄膜应用的乙烯/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0.910至0.918g / cm3，熔体指数I2在0.5至1.1g / 10分钟范围内，熔体流动比I10 / I2在该范围内 8至10，熔体强度范围为3至6cN，由CEF确定的最高温度分数在11至14％范围内，CEF的最高峰温度分数范围为96至100 ℃，CEF的最低温度分数在2至5％的范围内，DSC热曲线具有三个具有在120至124℃范围内的最高温度熔融峰的熔融峰，结晶度 在40％至50％的范围内。

公开(公告)号：US20150148490A1

公开(公告)日：2015-05-28

申请号：US14141835

申请日：2013-12-27

Applicant: DOW GLOBAL TECHNOLOGIES LLC

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

IPC: 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：US20220288906A1

公开(公告)日：2022-09-15

申请号：US17632604

申请日：2020-08-04

Applicant: Dow Global Technologies LLC

Inventor： Justice Alaboson ,  Sanjib Biswas ,  Joshua B. Gaubert ,  Douglas S. Ginger ,  Vivek Kalihari ,  Mridula Kapur ,  Lori L. Kardos ,  Nicolas Cardoso Mazzola ,  Francis O. Olajide, JR. ,  Didem Oner-Dellormanli ,  Jose Eduardo Ruiz

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

Abstract: Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising 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, a second layer comprising a first polyolefin, a third layer comprising a second polyolefin. The first layer may be positioned between the second layer and the third layer. The first polyolefin and the second polyolefin may be the same or different.

公开(公告)号：US20220275181A1

公开(公告)日：2022-09-01

申请号：US17632598

申请日：2020-08-04

Applicant: Dow Global Technologies LLC

Inventor： Sanjib Biswas ,  Douglas S. Ginger ,  Mehmet Demirors ,  Joshua B. Gaubert ,  Mridula Kapur ,  Didem Oner-Deliormanli

IPC: C08L23/06 ,  C08J5/18

Abstract: According to one or more embodiments, a polyethylene composition that is suitable for packaging applications may include a first polyethylene fraction and a second polyethylene fraction. The first polyethylene fraction may have a single peak in a temperature range of 45 C to 87 C in an elution profile via the improved comonomer composition distribution (iCCD) analysis method. The second polyethylene fraction may have a single peak in a temperature range of 95° C. to 120° C. in the elution profile via iCCD analysis. Additional embodiments disclosed herein include articles and films comprising the polyethylene compositions described herein.

公开(公告)号：US20190256618A1

公开(公告)日：2019-08-22

申请号：US16314263

申请日：2017-06-29

Applicant: Dow Global Technologies LLC

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

IPC: C08F4/654 ,  C08F4/651 ,  C08F4/659 ,  C08F4/649 ,  C08F210/16

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 described herein. 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 addition polymerizable monomer to form a polymer composition.

公开(公告)号：US12187016B2

公开(公告)日：2025-01-07

申请号：US17632604

申请日：2020-08-04

Applicant: Dow Global Technologies LLC

Inventor： Justice Alaboson ,  Sanjib Biswas ,  Joshua B. Gaubert ,  Douglas S. Ginger ,  Vivek Kalihari ,  Mridula Kapur ,  Lori L. Kardos ,  Nicolas Cardoso Mazzola ,  Francis O. Olajide, Jr. ,  Didem Oner-Deliormanli ,  Jose Eduardo Ruiz

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

Abstract: Embodiments of the present disclosure are directed to multilayer films. Embodiments of the multilayer films may include a first layer comprising 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, a second layer comprising a first polyolefin, a third layer comprising a second polyolefin. The first layer may be positioned between the second layer and the third layer. The first polyolefin and the second polyolefin may be the same or different.

公开(公告)号：US11969976B2

公开(公告)日：2024-04-30

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

CPC classification number: B32B27/08 ,  B32B27/32 ,  B32B2250/05 ,  B32B2250/242 ,  B32B2307/558 ,  B32B2307/5825 ,  B32B2307/72 ,  B32B2307/732 ,  B32B2439/46

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：US20230072649A1

公开(公告)日：2023-03-09

申请号：US17789424

申请日：2020-12-21

Applicant: Dow Global Technologies LLC

Inventor： Sanjib Biswas ,  Rahul Sharma ,  Jacquelyn A. DeGroot ,  Erica Spiekermann ,  Douglas S. Ginger ,  Jian Wang ,  Mehmet Demirors ,  David T. Gillespie ,  Hien Q. Do ,  Philip P. Fontaine

IPC: C08L23/08 ,  C08F210/02 ,  C08J5/18

Abstract: Embodiments of a polyethylene composition are provided, which may include a first polyethylene fraction comprising at least one peak in a temperature range of from 35° C. to 70° C. in an elution profile via improved comonomer composition distribution (iCCD) analysis method, where a first polyethylene area fraction is an area in the elution profile from 35° C. to 70° C., and where the first polyethylene fraction area comprises from 25% to 65% of the total area of the elution profile; and a second polyethylene fraction comprising at least one peak in a temperature range of from 85° C. to 120° C. in the elution profile, where a second polyethylene area fraction is an area in the elution profile from 85° C. to 120° C., and where the second polyethylene fraction area comprises at least 20% of the total area of the elution profile.

公开(公告)号：US09115275B2

公开(公告)日：2015-08-25

申请号：US14141835

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

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

IPC: C08F10/00 ,  C08L23/06 ,  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。