公开(公告)号：US20190023883A1

公开(公告)日：2019-01-24

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：US10138362B2

公开(公告)日：2018-11-27

申请号：US15311391

申请日：2015-06-26

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Pradeep Jain ,  Mehmet Demirors ,  Douglas S. Ginger ,  Anthony J. Castelluccio ,  Mridula Kapur

IPC: C08F210/16 ,  C08L23/08 ,  B32B5/00 ,  B32B5/02 ,  B32B7/00 ,  B32B7/02 ,  B32B27/06 ,  B32B27/18 ,  B32B27/20 ,  B32B27/28 ,  B32B27/30 ,  B32B27/32 ,  C08J5/18 ,  A61F13/514 ,  B32B27/08 ,  B32B27/12 ,  C08K3/26 ,  C08J5/00 ,  E01C13/08

Abstract: The invention provides a composition comprising a first composition, comprising at least one ethylene-based polymer, and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio I10/I2 that meets the following equation: I10/I2≥7.0−1.2×log (I2). The invention also provides a process to form a composition comprising at least two ethylene-based polymers, said process comprising the following: polymerizing ethylene, and optionally at least one comonomer, in solution, in the presence of a catalyst system comprising a metal-ligand complex of Structure I, as described herein, to form a first ethylene-based polymer; and polymerizing ethylene, and optionally at least one comonomer, in the presence of a catalyst system comprising a Ziegler/Natta catalyst, to form a second ethylene-based polymer.

公开(公告)号：US09834712B2

公开(公告)日：2017-12-05

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: C08L23/08 ,  C08L23/04 ,  B32B27/00 ,  B23B27/08 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B65D85/00 ,  C08F210/16 ,  C08J5/18 ,  C08J5/00 ,  C09K3/10 ,  B32B27/08 ,  C08F4/6592

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 5.0 g/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.

公开(公告)号：US09752021B2

公开(公告)日：2017-09-05

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: B32B27/32 ,  C08L23/08 ,  C08F210/16 ,  C08J5/18

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.

公开(公告)号：US09631059B2

公开(公告)日：2017-04-25

申请号：US14653352

申请日：2013-12-27

Applicant: Dow Global Technologies LLC

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

IPC: C08J5/18 ,  B65D51/26 ,  C08F210/16 ,  C08L23/06 ,  C08L23/08 ,  C07F5/00 ,  C07F7/18 ,  C08L23/02

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.

公开(公告)号：US20170081444A1

公开(公告)日：2017-03-23

申请号：US15311391

申请日：2015-06-26

Applicant: Dow Global Technologies LLC

Inventor： Jian Wang ,  Pradeep Jain ,  Mehmet Demirors ,  Douglas S. Ginger ,  Anthony J. Castelluccio ,  Mridula Babli Kapur

IPC: C08F210/16 ,  C08L23/08

CPC classification number: C08L23/0815 ,  A61F13/51401 ,  A61F13/51458 ,  A61F2013/51409 ,  B32B5/00 ,  B32B5/02 ,  B32B5/022 ,  B32B7/00 ,  B32B7/02 ,  B32B27/06 ,  B32B27/08 ,  B32B27/12 ,  B32B27/18 ,  B32B27/20 ,  B32B27/28 ,  B32B27/30 ,  B32B27/306 ,  B32B27/308 ,  B32B27/32 ,  B32B27/325 ,  B32B2255/00 ,  B32B2255/02 ,  B32B2262/00 ,  B32B2262/02 ,  B32B2262/0253 ,  B32B2270/00 ,  B32B2307/50 ,  B32B2307/514 ,  B32B2307/544 ,  B32B2307/718 ,  B32B2307/724 ,  B32B2307/726 ,  B32B2555/00 ,  C08F210/16 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/18 ,  C08J5/00 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08J2423/08 ,  C08K3/26 ,  C08K2003/265 ,  C08L23/0807 ,  C08L2203/12 ,  C08L2205/025 ,  C08L2205/16 ,  C08L2314/02 ,  C08L2314/06 ,  E01C13/08 ,  C08F4/64193 ,  C08F4/6555 ,  C08F2/06 ,  C08F2500/10 ,  C08F2500/19

Abstract: The invention provides a composition comprising a first composition, comprising at least one ethylene-based polymer, and wherein the first composition comprises a MWCDI value greater than 0.9, and a melt index ratio I10/I2 that meets the following equation: I10/I2≧7.0−1.2×log (I2). The invention also provides a process to form a composition comprising at least two ethylene-based polymers, said process comprising the following: polymerizing ethylene, and optionally at least one comonomer, in solution, in the presence of a catalyst system comprising a metal-ligand complex of Structure I, as described herein, to form a first ethylene-based polymer; and polymerizing ethylene, and optionally at least one comonomer, in the presence of a catalyst system comprising a Ziegler/Natta catalyst, to form a second ethylene-based polymer.

公开(公告)号：US20150344681A1

公开(公告)日：2015-12-03

申请号：US14653329

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: C08L23/06

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/60193 ,  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。