公开(公告)号：US20240018290A1

公开(公告)日：2024-01-18

申请号：US18255048

申请日：2021-12-16

Applicant: Dow Global Technologies LLC

Inventor： Evelyn Auyeung ,  Roxanne M. Jenkins ,  Jasson T. Patton ,  Jaclyn Murphy ,  David D. Devore ,  Rhett A. Baillie ,  Zhe Zhou ,  Thomas Wesley Karjala, Jr.

IPC: C08F297/02 ,  C08F212/08 ,  C08F210/02

CPC classification number: C08F297/02 ,  C08F212/08 ,  C08F210/02

Abstract: A process to form a composition comprising an ethylene/vinylarene diblock and/or triblock interpolymer, and comprising at least the following steps: A) polymerizing in a reactor A, a mixture A comprising ethylene, and optionally an alpha-olefin, and optionally a vinylarene, in the presence of at least the following: a) a metal complex S selected from the following: Formula S1, Formula S2, Formula S3, Formula S4 or Formula S5, as described herein: B) polymerizing in a reactor B, a mixture B comprising ethylene, a vinylarene, and optionally an alpha-olefin, in the presence of at least the following: b) a metal complex H selected from the following Formula H1 or Formula H2, as described herein; and wherein step A occurs before step B, or vise-versa, and at least one chain shuttling agent is fed into the first reactor. A composition comprising an ethylene/vinylarene diblock or triblock interpolymer, as described herein.

公开(公告)号：US20230058913A1

公开(公告)日：2023-02-23

申请号：US17788856

申请日：2020-12-23

Applicant: Dow Global Technologies LLC

Inventor： Stacy L. Pesek ,  Jeffrey C. Munro ,  Zhe Zhou ,  Andrew J. Young ,  Anthony J. Castelluccio ,  Thomas Wesley Karjala, Jr.

IPC: C08F297/08

Abstract: The present disclosure provides a process. In an embodiment, the process includes contacting ethylene and octene under polymerization conditions at a temperature greater than 125° C. with a catalyst system comprising (i) a first polymerization catalyst having the structure of Formula (III), a second polymerization catalyst having the structure of Formula (I), and (iii) a chain shuttling agent. The process includes forming an ethylene/octene multi-block copolymer having a normalized OOO triad content greater than 0.25. The present disclosure provides the resultant composition produced by the process. In an embodiment, the composition includes an ethylene/octene multi-block copolymer having a normalized OOO triad content greater than 0.25.

公开(公告)号：US12281186B2

公开(公告)日：2025-04-22

申请号：US17773569

申请日：2019-12-26

Applicant: Dow Global Technologies LLC

Inventor： Gaoxiang Wu ,  Brian M. Habersberger ,  Hong Yang ,  Johnathan E. DeLorbe ,  Thomas Wesley Karjala, Jr.

IPC: C08L23/06 ,  C08F210/16 ,  C08J3/24 ,  C08J5/18 ,  C08K5/14 ,  C08K5/54 ,  C08L23/08 ,  H10F19/80 ,  H10F71/00 ,  C08L23/0807

Abstract: A composition comprising the following components a)-c): a) an alpha composition comprising a multimodal ethylene/alpha-olefin interpolymer, and wherein the alpha composition comprises the following properties: i) an Mz/Mn≥8.0, ii) a density from 0.855 to 0.890 g/cc, iii) a V100 (100° C.)≤2,000 Pa·s, iv) a V1.0 (100° C.)≥15,000 Pa·s, v) a Mn≥16,000 g/mol; b) a peroxide; and c) a silane coupling agent.

公开(公告)号：US20240218154A1

公开(公告)日：2024-07-04

申请号：US18555698

申请日：2021-06-30

Applicant: Dow Global Technologies LLC

Inventor： Yabin Sun ,  Gaoxiang Wu ,  Jeffrey C. Munro ,  Colin Li Pi Shan ,  Brian M. Habersberger ,  Thomas Wesley Karjala, Jr. ,  Johnathan E. DeLorbe

IPC: C08K5/14 ,  C08K5/00

CPC classification number: C08K5/14 ,  C08K5/0025

Abstract: Provided is a process to form a crosslinked composition. the process comprising applying heat. and optionally radiation. to a composition that comprises at least the following components a) and b): a) an olefin-based polymer that comprises a total unsaturation ≥ 0.20/1000 C: b) at least one peroxide selected from at least one of the following: i) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical I, ii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical II, iii) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical III, iv) a peroxide comprising at least one peroxy group comprising an oxyl radical unit of Radical IV, or v) any combination of i) through iv); and wherein Radical I. Radical II. Radical III or Radical IV are each described herein.

公开(公告)号：US20220389139A1

公开(公告)日：2022-12-08

申请号：US17773582

申请日：2020-12-17

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Gaoxiang Wu ,  Brian M. Habersberger ,  Johnathan E. DeLorbe ,  Thomas Wesley Karjala, Jr. ,  Yabin Sun ,  Rongjuan Cong

IPC: C08F210/16 ,  C08J5/18 ,  G01N30/14 ,  G01N30/86 ,  H01L31/048

Abstract: A composition comprising an ethylene/alpha-olefin interpolymer that comprises the following properties: a) a total unsaturation/1000C≥0.30; b) a molecular weight distribution (MWD)≤3.0; c) a TGIC broadness parameter B1/4≤8.0. A solution N polymerization process to prepare an ethylene/alpha-olefin/interpolymer, said process comprising polymerizing, in one reactor, at a reactor temperature ≥150° C., a reaction mixture comprising ethylene, an alpha-olefin, a solvent, and a metal complex as described herein. A method to determine the TGIC broadness parameter B1/x of a polymer composition comprising one or more olefin-based polymers.

公开(公告)号：US20220389138A1

公开(公告)日：2022-12-08

申请号：US17773571

申请日：2020-12-16

Applicant: Dow Global Technologies LLC

Inventor： Johnathan E. DeLorbe ,  Daniela Ferrari ,  Thomas Wesley Karjala, Jr. ,  Sylvie Vervoort ,  Jeffrey C. Munro ,  Lisa S. Madenjian

IPC: C08F210/16 ,  C08F4/64

Abstract: A process to prepare an alpha composition comprising a first ethylene/alpha-olefin/interpolymer fraction and a second ethylene/alpha-olefin/interpolymer fraction; said process comprising polymerizing, in one reactor, a reaction mixture, comprising ethylene and an alpha-olefin, a biphenyl phenol metal complex selected from Structure 1, as described herein, and a biphenyl phenol metal complex selected from Structure 2, as described herein; and alpha compositions prepared therefrom.