公开(公告)号：US11712687B2

公开(公告)日：2023-08-01

申请号：US17071696

申请日：2020-10-15

Applicant: ExxonMobil Chemical Patents Inc.

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

IPC: C08L23/08 ,  C08F210/16 ,  C08F4/646 ,  C08F4/6592 ,  B01J31/22 ,  B01J31/14 ,  B01J31/16 ,  B01J31/18 ,  C08F4/653 ,  C08F210/14 ,  C08F4/659 ,  C08F4/70

CPC classification number: B01J31/2295 ,  B01J31/143 ,  B01J31/1608 ,  B01J31/1616 ,  B01J31/1815 ,  C08F4/653 ,  C08F210/14 ,  C08L23/0815 ,  B01J2531/0244 ,  B01J2531/48 ,  B01J2531/49 ,  B01J2531/842 ,  B01J2540/20 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/7042 ,  C08F210/16 ,  C08L2207/066 ,  C08L2314/06

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：US10926250B2

公开(公告)日：2021-02-23

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: C08L23/08 ,  C08F4/70 ,  C08F210/16 ,  C08F4/653 ,  B01J31/22 ,  B01J31/18 ,  C08F210/14 ,  B01J31/16 ,  B01J31/14 ,  C08F4/6592 ,  C08F4/659

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：US10882932B2

公开(公告)日：2021-01-05

申请号：US15706088

申请日：2017-09-15

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Donna J. Crowther ,  Laughlin G. McCullough ,  Jacqueline A. Lovell

IPC: C08F4/6592 ,  C08F4/02 ,  C08F210/16 ,  C08F210/02 ,  C08F210/14 ,  C08F4/659

Abstract: In at least one embodiment, a catalyst compound is represented by Formula (I): where M is a group 4 metal. Each of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, and R14 is independently hydrogen, or a linear or branched C1-C50 substituted or unsubstituted hydrocarbyl, halocarbyl or silylcarbyl. At least one of R1 and R3 is not hydrogen. Each X is independently a halide or C1-C50 substituted or unsubstituted hydrocarbyl, hydride, amide, alkoxide, sulfide, phosphide, halide, diene, amine, phosphine, ether, or a combination thereof, or two Xs are joined together to form a metallocycle ring, or two Xs are joined to form a chelating ligand, a diene ligand, or an alkylidene.

公开(公告)号：US10717790B2

公开(公告)日：2020-07-21

申请号：US15565624

申请日：2016-03-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Xuan Ye ,  Matthew W. Holtcamp ,  Laughlin G. McCullough ,  Jo Ann M. Canich ,  David F. Sanders ,  Gregory S. Day ,  Michelle E. Titone

IPC: C08F4/02 ,  C08F4/6592 ,  C08F210/16 ,  B01J31/22 ,  C08F210/14 ,  C08F4/659

Abstract: This invention relates to a catalyst system including fluorided silica, alkylalumoxane activator and a bridged monocyclopentadienyl group 4 transition metal compound, where the fluorided support has not been calcined at a temperature of 400° C. or more, and is preferably, produced using a wet mix method, particularly an aqueous method.

公开(公告)号：US10414887B2

公开(公告)日：2019-09-17

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: C08F4/76 ,  C08F4/64 ,  C08J5/18 ,  C08F210/16 ,  C08F4/659 ,  C08F4/6592

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：US20190119413A1

公开(公告)日：2019-04-25

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

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：US09932423B2

公开(公告)日：2018-04-03

申请号：US15238448

申请日：2016-08-16

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Laughlin G. McCullough

IPC: C07F17/00 ,  C08F4/6592 ,  C08F110/02

CPC classification number: C08F110/02 ,  C07F17/00 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/6592 ,  C08F4/65927 ,  C08F10/00

Abstract: Disclosed are methods for making partially hydrogenated annulated cyclopentadienyl complexes which can provide efficient synthesis of metallocene catalysts desired for olefin polymerization.

公开(公告)号：US20150119539A1

公开(公告)日：2015-04-30

申请号：US14511806

申请日：2014-10-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Laughlin G. McCullough

IPC: C08F4/76 ,  C07F7/00

CPC classification number: C07F7/00 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65927 ,  C08F110/06 ,  C08F210/06 ,  C08F2500/15 ,  C08F2500/12 ,  C08F210/16 ,  C08F210/14 ,  C08F10/00

Abstract: This invention relates to unsymmetrical metallocenes, catalyst systems therefrom and their use to make highly isotactic polypropylene.

Abstract translation: 本发明涉及不对称金属茂，其催化剂体系及其制备高度全同立构聚丙烯的用途。

公开(公告)号：US11787881B2

公开(公告)日：2023-10-17

申请号：US17054085

申请日：2019-06-18

Applicant: ExxonMobil Chemical Patents Inc.

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

IPC: C08F210/16 ,  C08F10/02 ,  C08J5/18

CPC classification number: C08F10/02 ,  C08F210/16 ,  C08J5/18 ,  C08J2323/08

Abstract: A polyethylene composition having from about 0.5 to about 20 wt % of alpha-olefin derived units other than ethylene-derived units, with the balance including ethylene-derived units, total internal unsaturations (Vy1+Vy2+T1) of from about 0.15 to about 0.40 per 1000 carbon atoms, an MI of from about 0.1 to about 6 g/10 min, an HLM1 of from about 5.0 to about 40 g/10 min, a density of from about 0.890 to about 0.940 g/ml, a Tw1-Tw2 value of from about −50 to about −23° C., an Mw1/Mw2 value of from about 2.0 to about 3.5, an Mw/Mn of from about 4.5 to about 12, an Mz/Mw of from about 2.5 to about 3.0, an Mz/Mn of from about 15 to about 25, and a g′(vis) greater than 0.90.

公开(公告)号：US20230174757A1

公开(公告)日：2023-06-08

申请号：US17997119

申请日：2021-04-27

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Ru Xie ,  Matthew W. Holtcamp ,  David M. Fiscus ,  Dongming Li ,  Laughlin G. McCullough ,  Matthew S. Bedoya ,  Kevin A. Steven ,  Yan Jiang ,  Joseph A. Moebus

IPC: C08L23/08 ,  C08F2/34 ,  C08F210/16 ,  C08F4/6592 ,  C08F4/70 ,  C08J5/18

CPC classification number: C08L23/0815 ,  C08F2/34 ,  C08F210/16 ,  C08F4/65925 ,  C08F4/7042 ,  C08J5/18 ,  C08F2500/27 ,  C08F2500/31 ,  C08F2500/38 ,  C08L2203/16 ,  C08L2207/066 ,  C08L2314/06 ,  C08L2314/08 ,  C08J2323/08

Abstract: The present disclosure generally relates to catalyst systems, polyethylene compositions, and uses of such compositions in, e.g., films. In an embodiment is provided a film that includes a polyethylene composition, comprising: ethylene and a C3-C40 olefin comonomer, the polyethylene composition having at least 75 wt % ethylene content and from 0 wt % to 25 wt % of a C3-C40 olefin comonomer content based upon the total weight of the composition as determined by GPC-IR5-LS-VIS, the film having: an average of MD and TD 1% secant modulus of 42,000 psi or greater as determined by ASTM D-882, and a Dart Drop Impact of greater than 400 g/mil, as determined by ASTM D1709. In another embodiment is provided a process for producing a polyethylene composition, comprising: introducing, under first polymerization conditions, ethylene and a C3-C40 alpha-olefin to a catalyst system in a reactor, the catalyst system comprising a first catalyst compound, a second catalyst compound, and an activator; and forming a polyethylene composition.