公开(公告)号：US20170096506A1

公开(公告)日：2017-04-06

申请号：US15242179

申请日：2016-08-19

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Xuan Ye ,  Matthew W. Holtcamp ,  Gregory S. Day ,  Matthew S. Bedoya ,  David F. Sanders ,  Laughlin G. McCullough

IPC: C08F210/02 ,  C08J5/18

CPC classification number: C08J5/18 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/6592 ,  C08F4/65925 ,  C08F210/16 ,  C08J2323/08 ,  C08F4/64148 ,  C08F4/65904 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/01 ,  C08F2500/03

Abstract: A catalyst system including the reaction product of a fluorided support (such as a fluorided silica support) that preferably has not been calcined at a temperature of 400° C. or more, an activator and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.

公开(公告)号：US09266977B2

公开(公告)日：2016-02-23

申请号：US14090585

申请日：2013-11-26

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Laughlin G. McCullough

IPC: C07F17/00 ,  C08F4/6592 ,  C08F10/00 ,  C08F4/659

CPC classification number: C08F210/16 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F4/76 ,  C08F10/00 ,  C08L23/0815 ,  C08L23/04 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/05 ,  C08F2500/17

Abstract: This invention relates to bridged metallocene compounds and catalyst systems comprising these bridged metallocene compounds.

Abstract translation: 本发明涉及桥连茂金属化合物和包含这些桥连茂金属化合物的催化剂体系。

公开(公告)号：US11306162B2

公开(公告)日：2022-04-19

申请号：US16843642

申请日：2020-04-08

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Subramaniam Kuppuswamy ,  Matthew W. Holtcamp ,  Matthew S. Bedoya ,  Laughlin G. McCullough

IPC: C07F17/00 ,  C08F4/6592 ,  C08F210/16 ,  C08F2/34 ,  C08F4/659 ,  C08F10/02

Abstract: The present disclosure provides bridged metallocene catalyst compounds including at least two —Si—Si— bridges, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can be hafnium-containing compounds having one or more cyclopentadiene ligand(s) substituted with one or more silyl neopentyl groups and linked with at least two Si—Si-containing bridges. In another class of embodiments, the present disclosure is directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support.

公开(公告)号：US10822434B2

公开(公告)日：2020-11-03

申请号：US16117008

申请日：2018-08-30

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Dongming Li ,  Ching-Tai Lue ,  Adriana S. Silva ,  David F. Sanders ,  Laughlin G. McCullough ,  Matthew S. Bedoya ,  Subramaniam Kuppuswamy

IPC: C08F10/02 ,  C08F210/16 ,  C08F4/6592 ,  C08F2/34 ,  C08F2/44 ,  C08F210/02 ,  C08J5/18 ,  C08F4/659

Abstract: Catalyst systems including more than one metallocene catalysts and processes for using the same are provided to produce polyolefin polymers such as polyethylene polymers.

公开(公告)号：US20200332031A1

公开(公告)日：2020-10-22

申请号：US16843642

申请日：2020-04-08

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Subramaniam Kuppuswamy ,  Matthew W. Holtcamp ,  Matthew S. Bedoya ,  Laughlin G. McCullough

IPC: C08F4/6592 ,  C08F10/02 ,  C08F4/659 ,  C08F2/34

Abstract: The present disclosure provides bridged metallocene catalyst compounds including at least two —Si—Si— bridges, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can be hafnium-containing compounds having one or more cyclopentadiene ligand(s) substituted with one or more silyl neopentyl groups and linked with at least two Si—Si-containing bridges. In another class of embodiments, the present disclosure is directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support.

公开(公告)号：US10808053B2

公开(公告)日：2020-10-20

申请号：US16117023

申请日：2018-08-30

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Dongming Li ,  Ching-Tai Lue ,  Adriana S. Silva ,  Matthew W. Holtcamp ,  David F. Sanders ,  Laughlin G. McCullough ,  Matthew S. Bedoya ,  Subramaniam Kuppuswamy

IPC: C08F210/16 ,  C08F10/02 ,  C08F4/6592 ,  C08F2/34 ,  C08F2/44 ,  C08F210/02 ,  C08J5/18 ,  C08F4/659

Abstract: Polyethylene compositions including at least 65 wt % ethylene derived units, based upon the total weight of the polyethylene composition, are provided.

公开(公告)号：US10696758B2

公开(公告)日：2020-06-30

申请号：US15877143

申请日：2018-01-22

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Subramaniam Kuppuswamy ,  Matthew W. Holtcamp ,  David M. Fiscus ,  Matthew S. Bedoya ,  Laughlin G. McCullough ,  Xuan Ye

IPC: C07F17/00 ,  C08F4/6592 ,  C08F210/16 ,  C08F10/02 ,  C08F4/659

Abstract: This invention relates to metallocene compounds having a group substituted at the 3 position of at least one cyclopentadienyl ring represented by the formula —CH2—SiR′3 or —CH2—CR′3 and R′ is a C1 to C20 substituted or unsubstituted hydrocarbyl.

公开(公告)号：US20190168203A1

公开(公告)日：2019-06-06

申请号：US16206480

申请日：2018-11-30

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Kevin A. Stevens ,  Laughlin G. McCullough ,  David F. Sanders ,  Subramaniam Kuppuswamy ,  Matthew S. Bedoya

IPC: B01J31/22 ,  B01J31/18 ,  C08F4/70 ,  C08F4/6592 ,  C08F210/14 ,  C08L23/08

Abstract: A catalyst system including the product of the combination of an unbridged Group 4 metallocene compound and a 2,6-bis(imino)pyridyl iron complex is provided. A process for the polymerization of monomers (such as olefin monomers) and a polymer produced therefrom are also provided.

公开(公告)号：US09068033B2

公开(公告)日：2015-06-30

申请号：US14091105

申请日：2013-11-26

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： David M. Fiscus ,  Laughlin G. McCullough ,  John F. Walzer, Jr. ,  Jay L. Reimers

IPC: C08F210/16 ,  C08L23/16 ,  C08F4/76 ,  C08L23/08 ,  C08F4/659

CPC classification number: C08F210/16 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F4/76 ,  C08F10/00 ,  C08L23/0815 ,  C08L23/04 ,  C08F210/14 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/05 ,  C08F2500/17

Abstract: This invention relates to inventive ethylene-based copolymers comprising 75.0 wt % to 99.5 wt % of ethylene-derived units and 0.5 wt % to 25.0 wt % of C3 to C20 olefin derived units; the inventive ethylene-based copolymer having: a density in the range of from 0.900 to less than 0.940 g/cm3; a g′(vis) of less than 0.80; a melt index, I2, of from 0.25 to 1.5 g/10 min.; a Mw/Mn within a range from 3.0 to 6.0, and Mz/Mn greater than 8.0; and an absence of a local minimum loss angle at a complex modulus, G*, of 1.00×104 to 3.00×104 Pa.

Abstract translation: 本发明涉及包含75.0wt％至99.5wt％的乙烯衍生单元和0.5wt％至25.0wt％的C3至C20烯烃衍生单元的本发明的乙烯基共聚物。 本发明的乙烯基共聚物具有：在0.900至小于0.940g / cm3范围内的密度; g'（vis）小于0.80; 熔体指数I2为0.25至1.5g / 10min。 在3.0至6.0的范围内的Mw / Mn和大于8.0的Mz / Mn; 并且在复数模量G *下不存在1.00×104〜3.00×104Pa的局部最小损耗角。

公开(公告)号：US20150147552A1

公开(公告)日：2015-05-28

申请号：US14525766

申请日：2014-10-28

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Laughlin G. McCullough ,  Celestino M. Perez, JR. ,  Sarah J. Mattler

IPC: C08L23/14 ,  C08J5/18 ,  C08L23/06

CPC classification number: C08L23/142 ,  C08F2/001 ,  C08F4/65912 ,  C08F4/65916 ,  C08J5/18 ,  C08J2323/04 ,  C08J2323/06 ,  C08J2323/14 ,  C08L23/04 ,  C08L23/06 ,  C08L23/08 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2314/06 ,  C08L23/10 ,  C08F210/16 ,  C08F210/06 ,  C08F210/14 ,  C08F4/65927 ,  C08L23/14

Abstract: This invention relates to processes to prepare impact copolymers having an ethylene content of greater than 20 wt % using a process where ethylene polymer is made in the first stage and propylene polymer is made in the second stage.

Abstract translation: 本发明涉及使用在第一阶段制备乙烯聚合物并在第二阶段中制备丙烯聚合物的方法制备乙烯含量大于20重量％的抗冲共聚物的方法。