公开(公告)号：US09879105B2

公开(公告)日：2018-01-30

申请号：US15025366

申请日：2014-10-30

Applicant: Dow Global Technologies LLC

Inventor： Linfeng Chen ,  Stephanie M. Whited ,  Robert J. Jorgensen

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F210/14 ,  C08F4/6494 ,  C08F4/6543

Abstract: The instant invention provides a polyolefin composition, a catalyst composition, and a method of producing the same. The method for polymerizing one or more polyolefins according to the present invention comprises the steps of: (1) selecting a first olefin monomer and optionally one or more alpha-olefin comonomers; (2) selecting one or more catalyst systems comprising one or more procatalysts comprising a first metal selected from the group consisting of Ti, V, Hf, Zr, and combinations or mixture two or more thereof, one or more cocatalysts comprising Al, and one or more self-limiting agents (SLA) selected from the group consisting of polyether, polyester, and combinations or mixtures thereof; wherein the ratio of said SLA to said first metal (SLA:first metal) is from 0.1:1 to 30:1; (3) polymerizing said first olefin monomer and optionally one or more alpha-olefin comonomers in the presence of said one or more catalyst systems via a slurry polymerization process or gas-phase polymerization process in one or more reactors; (4) thereby producing one or more olefin-based polymers; (5) wherein said catalyst system has a loss of least 85 percent of catalyst activity when the temperature is increased from 85 to 110° C.

公开(公告)号：US09988475B2

公开(公告)日：2018-06-05

申请号：US14902128

申请日：2014-08-18

Applicant: Dow Global Technologies LLC

Inventor： Linfeng Chen ,  Robert J. Jorgensen ,  Stephanie M. Whited

IPC: C08F2/38 ,  C08F4/12 ,  C08F26/00 ,  C08F210/16

CPC classification number: C08F210/16 ,  C08F2/40 ,  C08F2/38 ,  C08F4/6494 ,  C08F4/6543 ,  C08F4/025 ,  C08F210/14 ,  C08F2/34 ,  C08F2/14

Abstract: The instant invention provides a method for polymerizing one or more ethylene-based polymers. The method for polymerizing one or more ethylene-based polymers according to the present invention comprises the following steps: (1) selecting ethylene and optionally one or more alpha-olefin comonomers; (2) selecting one or more catalyst systems comprising one or more procatalysts comprising Ti, one or more cocatalysts comprising Al, and one or more self-limiting agents (SLA); wherein the ratio of SLA to Ti is from 5:1 to 40:1 and the ratio of Al to SLA is from 2:1 to 40:1; (3) polymerizing said ethylene and optionally one or more alpha-olefin comonomers in the presence of said one or more catalyst systems via a slurry polymerization process or gas-phase polymerization process in one or more reactors; (4) thereby producing one or more ethylene; wherein said catalyst system has a loss of least 85% of catalyst productivity when the temperature is increased from 85 to 115 C.

公开(公告)号：US20150099077A1

公开(公告)日：2015-04-09

申请号：US14363092

申请日：2012-11-28

Applicant: Dow Global Technologies LLC

Inventor： William J. Michie, JR. ,  Dale A. Wright ,  Robert J. Jorgensen ,  Carl F. Baker ,  Burkhard E. Wagner ,  Joe B. Garrett ,  Matthew H. Mills

IPC: C08J9/16 ,  C08F10/02

CPC classification number: C08J9/16 ,  C08F10/02 ,  C08F110/02 ,  Y10T428/1372 ,  Y10T428/2982 ,  C08F10/00 ,  C08F4/69 ,  C08F4/025 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/24

Abstract: A polyethylene composition comprising a granular polyethylene resin characterized by a resin solid density of from 0.91 to 0.97 g/cm3, a ratio of intraparticle void volume to interparticle void volume of from 0.33 to 0.67, and a total resin porosity, Φtotal, of equal to or greater than 0.45 is provided. Further provided are articles made from the polyethylene composition

Abstract translation: 一种聚乙烯组合物，其包含颗粒状聚乙烯树脂，其特征在于树脂固体密度为0.91至0.97g / cm 3，颗粒内空隙体积与颗粒间隙体积之比为0.33至0.67，总树脂孔隙率Φtotal等于 或大于0.45。 进一步提供由聚乙烯组合物制成的制品

公开(公告)号：US10822437B2

公开(公告)日：2020-11-03

申请号：US16352303

申请日：2019-03-13

Applicant: Dow Global Technologies LLC

Inventor： Ronald P. Markovich ,  Robert J. Jorgensen

IPC: C08F110/02 ,  C08F210/16 ,  C08F4/655

Abstract: The instant invention provides a polyethylene composition and process for polymerizing the same.The polyethylene composition according to the present invention comprises the polymerization reaction of ethylene and optionally one or more α-olefin comonomers in the presence of a catalyst system, wherein said polyethylene composition comprises at least 2 or more molecular weight distributions, measured via triple detector GPC low angle laser light scattering (GPC-LALLS), described in further details hereinbelow, wherein each molecular weight distribution has a peak, and wherein measured detector response of peak 1 divided by the measured detector response of peak 2 is in the range of from 0.50 to 0.79, for example from 0.55 to 0.77.

公开(公告)号：US10787553B2

公开(公告)日：2020-09-29

申请号：US14363092

申请日：2012-11-28

Applicant: Dow Global Technologies LLC ,  William J. Michie, Jr. ,  Dale A. Wright ,  Robert J. Jorgensen ,  Carl F. Baker ,  Burkhard E. Wagner ,  Joe B. Garrett, Jr. ,  Matthew H. Mills

Inventor： William J. Michie, Jr. ,  Dale A. Wright ,  Robert J. Jorgensen ,  Carl F. Baker ,  Burkhard E. Wagner ,  Joe B. Garrett, Jr. ,  Matthew H. Mills

IPC: C08F210/16 ,  C08J9/16 ,  C08F110/02 ,  C08F10/02

Abstract: A polyethylene composition comprising a granular polyethylene resin characterized by a resin solid density of from 0.91 to 0.97 g/cm3, a ratio of intraparticle void volume to interparticle void volume of from 0.33 to 0.67, and a total resin porosity, Φtotal, of equal to or greater than 0.45 is provided. Further provided are articles made from the polyethylene composition.

公开(公告)号：US20190211121A1

公开(公告)日：2019-07-11

申请号：US16352303

申请日：2019-03-13

Applicant: Dow Global Technologies LLC

Inventor： Ronald P. Markovich ,  Robert J. Jorgensen

IPC: C08F110/02 ,  C08F210/16

CPC classification number: C08F110/02 ,  C08F210/16 ,  C08F4/6555 ,  C08F210/14 ,  C08F2500/05 ,  C08F2500/12

Abstract: The instant invention provides a polyethylene composition and process for polymerizing the same.The polyethylene composition according to the present invention comprises the polymerization reaction of ethylene and optionally one or more α-olefin comonomers in the presence of a catalyst system, wherein said polyethylene composition comprises at least 2 or more molecular weight distributions, measured via triple detector GPC low angle laser light scattering (GPC-LALLS), described in further details hereinbelow, wherein each molecular weight distribution has a peak, and wherein measured detector response of peak 1 divided by the measured detector response of peak 2 is in the range of from 0.50 to 0.79, for example from 0.55 to 0.77.

公开(公告)号：US10273320B2

公开(公告)日：2019-04-30

申请号：US15790394

申请日：2017-10-23

Applicant: Dow Global Technologies LLC

Inventor： Ronald P. Markovich ,  Robert J. Jorgensen

IPC: C08F110/02 ,  C08F210/16 ,  C08F4/655

Abstract: The instant invention provides a polyethylene composition and process for polymerizing the same.The polyethylene composition according to the present invention comprises the polymerization reaction of ethylene and optionally one or more α-olefin comonomers in the presence of a catalyst system, wherein said polyethylene composition comprises at least 2 or more molecular weight distributions, measured via triple detector GPC low angle laser light scattering (GPC-LALLS), described in further details hereinbelow, wherein each molecular weight distribution has a peak, and wherein measured detector response of peak 1 divided by the measured detector response of peak 2 is in the range of from 0.50 to 0.79, for example from 0.55 to 0.77.

公开(公告)号：US20180298124A1

公开(公告)日：2018-10-18

申请号：US15790394

申请日：2017-10-23

Applicant: Dow Global Technologies LLC

Inventor： Ronald P. Markovich ,  Robert J. Jorgensen

IPC: C08F110/02 ,  C08F210/16 ,  C08F4/655

CPC classification number: C08F110/02 ,  C08F210/16 ,  C08F4/6555 ,  C08F210/14 ,  C08F2500/05 ,  C08F2500/12

Abstract: The instant invention provides a polyethylene composition and process for polymerizing the same.The polyethylene composition according to the present invention comprises the polymerization reaction of ethylene and optionally one or more α-olefin comonomers in the presence of a catalyst system, wherein said polyethylene composition comprises at least 2 or more molecular weight distributions, measured via triple detector GPC low angle laser light scattering (GPC-LALLS), described in further details hereinbelow, wherein each molecular weight distribution has a peak, and wherein measured detector response of peak 1 divided by the measured detector response of peak 2 is in the range of from 0.50 to 0.79, for example from 0.55 to 0.77.

公开(公告)号：US20160340453A1

公开(公告)日：2016-11-24

申请号：US15025366

申请日：2014-10-30

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Linfeng Chen ,  Stephanie M. Whited ,  Robert J. Jorgensen

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F210/14 ,  C08F4/6494 ,  C08F4/6543

Abstract: The instant invention provides a polyolefin composition, a catalyst composition, and a method of producing the same. The method for polymerizing one or more polyolefins according to the present invention comprises the steps of: (1) selecting a first olefin monomer and optionally one or more alpha-olefin comonomers; (2) selecting one or more catalyst systems comprising one or more procatalysts comprising a first metal selected from the group consisting of Ti, V, Hf, Zr, and combinations or mixture two or more thereof, one or more cocatalysts comprising Al, and one or more self-limiting agents (SLA) selected from the group consisting of polyether, polyester, and combinations or mixtures thereof; wherein the ratio of said SLA to said first metal (SLA:first metal) is from 0.1:1 to 30:1; (3) polymerizing said first olefin monomer and optionally one or more alpha-olefin comonomers in the presence of said one or more catalyst systems via a slurry polymerization process or gas-phase polymerization process in one or more reactors; (4) thereby producing one or more olefin-based polymers; (5) wherein said catalyst system has a loss of least 85 percent of catalyst activity when the temperature is increased from 85 to 110° C.

Abstract translation: 本发明提供一种聚烯烃组合物，催化剂组合物及其制备方法。 根据本发明的聚合一种或多种聚烯烃的方法包括以下步骤：（1）选择第一烯烃单体和任选的一种或多种α-烯烃共聚单体; （2）选择一种或多种催化剂体系，其包含一种或多种前催化剂，其包含选自Ti，V，Hf，Zr的第一金属，以及其组合或混合物两种或多种，​​一种或多种包含Al的助催化剂和一种 或更多的选自聚醚，聚酯及其组合或混合物的自限制剂（SLA）; 其中所述SLA与所述第一金属（SLA：第一金属）的比例为0.1:1至30:1; （3）通过在一个或多个反应器中的淤浆聚合方法或气相聚合方法在所述一种或多种催化剂体系的存在下将所述第一烯烃单体和任选的一种或多种α-烯烃共聚单体聚合; （4），从而制备一种或多种烯烃基聚合物; （5）其中当温度从85℃升至110℃时，所述催化剂体系具有至少85％的催化剂活性损耗。

公开(公告)号：US20160369019A1

公开(公告)日：2016-12-22

申请号：US14902128

申请日：2014-08-18

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Linfeng Chen ,  Robert J. Jorgensen ,  Stephanie M. Whited

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F2/40 ,  C08F2/38 ,  C08F4/6494 ,  C08F4/6543 ,  C08F4/025 ,  C08F210/14 ,  C08F2/34 ,  C08F2/14

Abstract: The instant invention provides a method for polymerizing one or more ethylene-based polymers. The method for polymerizing one or more ethylene-based polymers according to the present invention comprises the following steps: (1) selecting ethylene and optionally one or more alpha-olefm comonomers; (2) selecting one or more catalyst systems comprising one or more procatalysts comprising Ti, one or more cocatalysts comprising Al, and one or more self-limiting agents (SLA); wherein the ratio of SLA to Ti is from 5:1 to 40:1 and the ratio of Al to SLA is from 2:1 to 40:1; (3) polymerizing said ethylene and optionally one or more alpha-olefm comonomers in the presence of said one or more catalyst systems via a slurry polymerization process or gas-phase polymerization process in one or more reactors; (4) thereby producing one or more ethylene; wherein said catalyst system has a loss of least 85% of catalyst productivity when the temperature is increased from 85 to 115 C.

Abstract translation: 本发明提供了聚合一种或多种基于乙烯的聚合物的方法。 根据本发明聚合一种或多种基于乙烯的聚合物的方法包括以下步骤：（1）选择乙烯和任选的一种或多种α-烯烃共聚单体; （2）选择一种或多种催化剂体系，其包含一种或多种前催化剂，其包含Ti，一种或多种包含Al的助催化剂和一种或多种自限制剂（SLA）; 其中SLA与Ti的比例为5：1至40：1，Al与SLA的比例为2：1至40：1; （3）在所述一种或多种催化剂体系的存在下，通过在一个或多个反应器中的淤浆聚合方法或气相聚合方法，聚合所述乙烯和任选的一种或多种α-烯烃共聚单体; （4），从而制备一种或多种乙烯; 其中当温度从85升至115℃时，所述催化剂体系具有至少85％的催化剂生产率的损失。