公开(公告)号：US20190276573A1

公开(公告)日：2019-09-12

申请号：US16318568

申请日：2017-07-25

Applicant: Dow Global Technologies LLC

Inventor： Edmund M. Carnahan ,  Philip P. Fontaine ,  Carl N. Iverson ,  Jeffrey C. Munro ,  David M. Pearson ,  Kim Walton

IPC: C08F210/16 ,  C08L23/16 ,  C08L23/12 ,  C08F4/6592 ,  C08F4/659 ,  C08F4/64

Abstract: Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.

公开(公告)号：US20170101495A1

公开(公告)日：2017-04-13

申请号：US15311549

申请日：2015-06-29

Applicant: Dow Global Technologies LLC

Inventor： Mridula Babli Kapur ,  Mehmet Demirors ,  Philip P. Fontaine ,  Jerzy Klosin ,  Endre Szuromi ,  Carl N. Iverson ,  Zach T. Rickaway ,  Andrew J. Young ,  Susan G. Brown ,  Ruth Figueroa

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F4/64193 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2500/12 ,  C08F2500/19

Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a ZSVR value from 1.2 to 2.6, b) a MWD from 1.5 to 2.8, and c) a tan delta (0.1 rad/s; 190 C) from 5.0 to 50.

公开(公告)号：US08580976B2

公开(公告)日：2013-11-12

申请号：US13685209

申请日：2012-11-26

Applicant: Dow Global Technologies LLC

Inventor： Paul C. Vosejpka ,  Harold W. Boone ,  Kevin A. Frazier ,  Carl N. Iverson

IPC: C07D307/82

CPC classification number: C07D307/82 ,  C07D233/64 ,  C07D405/04 ,  C07F7/00 ,  C08F10/00 ,  C08F110/06 ,  C08F4/64044 ,  C08F2500/15 ,  C08F2500/03

Abstract: The invention relates to a process for preparing a stable 2-substituted benzofuran-3-yl borate ester corresponding to the formula: said process comprising contacting 3-bromo-2-substituted-benzofuran corresponding to the formula: with an C1-4 alkyllithium at a temperature less than −60° C. to form 3-lithio-2-substititued-benzofuran, contacting the 3-lithio-2-substituted- benzofuran at a temperature less than −60° C. with an borate ester corresponding to the formula: and recovering the resulting borate ester product, wherein, RW' is C1-4 alkyl; Rx is C1-10 hydrocarbyl or halohydrocarbyl; and RY independently each occurrence is C1-10 hydrocarbyl, halohydrocarbyl or trialkylsilylhydrocarbyl or 2 RY groups together are a divalent hydrocarbylene of up to 20 carbons.

Abstract translation: 本发明涉及一种制备对应于下式的稳定的2-取代的苯并呋喃-3-基硼酸酯的方法：所述方法包括使对应于下式的3-溴-2-取代的苯并呋喃与C1-4烷基锂接触 温度低于-60℃以形成3-亚硫基-2-取代的苯并呋喃，在低于-60℃的温度下将3-二硫-2-取代的苯并呋喃与对应于式 并回收得到的硼酸酯产物，其中，RW'为C 1-4烷基; Rx是C 1-10烃基或卤代烃基; 每个R 1独立地为C 1-10烃基，卤代烃基或三烷基甲硅烷基烃基或2个RY基团一起为至多20个碳原子的二价亚烃基。

公开(公告)号：US11384229B2

公开(公告)日：2022-07-12

申请号：US16956110

申请日：2018-12-19

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Yijian Lin ,  Didem Oner-Deliormanli ,  Arnaldo T. Lorenzo ,  David T. Gillespie ,  Carl N. Iverson

IPC: C08L23/16 ,  C08L23/08 ,  C08F210/16 ,  C08F2/01 ,  C08F4/64

Abstract: Embodiments of polymer compositions and articles comprising such compositions containing at least one LDPE and at least one multimodal ethylene-based polymer having at least three ethylene-based components.

公开(公告)号：US11155658B2

公开(公告)日：2021-10-26

申请号：US16318568

申请日：2017-07-25

Applicant: Dow Global Technologies LLC

Inventor： Edmund M. Carnahan ,  Philip P. Fontaine ,  Carl N. Iverson ,  Jeffrey C. Munro ,  David M. Pearson ,  Kim Walton

IPC: C08F210/16 ,  C08L23/08 ,  C08L23/16 ,  C08F4/64 ,  C08F4/659 ,  C08F4/6592 ,  C08L23/12 ,  C08F210/14 ,  C08F2/01

Abstract: Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.

公开(公告)号：US10526431B2

公开(公告)日：2020-01-07

申请号：US15310460

申请日：2015-06-29

Applicant: Dow Global Technologies LLC

Inventor： Philip P. Fontaine ,  Jerzy Klosin ,  Endre Szuromi ,  Carl N. Iverson ,  Zach T. Rickaway ,  Andrew J. Young ,  Susan G. Brown ,  Ruth Figueroa

IPC: C08F210/16 ,  C07F7/00 ,  C07F7/28 ,  B01J31/22 ,  C08F4/659

Abstract: The instant invention provides a procatalyst comprising a metal-ligand complex of Formula (I): (Formula I), wherein M, X, n, each Z, L, R21, R22 and R1 through R20 are each described herein.

公开(公告)号：US20130102795A1

公开(公告)日：2013-04-25

申请号：US13685209

申请日：2012-11-26

Applicant: Dow Global Technologies LLC

Inventor： Paul C. Vosejpka ,  Harold W. Boone ,  Kevin A. Frazier ,  Carl N. Iverson

IPC: C07D307/82

CPC classification number: C07D307/82 ,  C07D233/64 ,  C07D405/04 ,  C07F7/00 ,  C08F10/00 ,  C08F110/06 ,  C08F4/64044 ,  C08F2500/15 ,  C08F2500/03

Abstract: Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed.

公开(公告)号：US11603452B2

公开(公告)日：2023-03-14

申请号：US16956144

申请日：2018-12-19

Applicant: Dow Global Technologies LLC

Inventor： Carl N. Iverson ,  Arnaldo T. Lorenzo ,  Yijian Lin ,  Mehmet Demirors ,  Didem Oner-Deliormanli ,  David T. Gillespie

IPC: C08F210/16 ,  C08F2/00 ,  C08F4/76 ,  C08L23/08 ,  C08J5/18 ,  C08F4/64

Abstract: Embodiments of polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer having at least three ethylene-based components, wherein the multimodal ethylene-based polymer exhibits improved toughness.

公开(公告)号：US20210230409A1

公开(公告)日：2021-07-29

申请号：US16956144

申请日：2018-12-19

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Carl N. Iverson ,  Amaldo T. Lorenzo ,  Yijian Lin ,  Mehmet Demirors ,  Didem Oner-Deliormanli ,  David T. Gillespie

IPC: C08L23/08 ,  C08F210/16 ,  C08J5/18

Abstract: Embodiments of polymer compositions and articles comprising such compositions contain at least one multimodal ethylene-based polymer having at least three ethylene-based components, wherein the multimodal ethylene-based polymer exhibits improved toughness.

公开(公告)号：US20210102051A1

公开(公告)日：2021-04-08

申请号：US16956110

申请日：2018-12-19

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Yijian Lin ,  Didem Oner-Deliormanli ,  Arnaldo T. Lorenzo ,  David T. Gillespie ,  Carl N. Iverson

IPC: C08L23/08

Abstract: Embodiments of polymer compositions and articles comprising such compositions containing at least one LDPE and at least one multimodal ethylene-based polymer having at least three ethylene-based components.