公开(公告)号：US20250051495A1

公开(公告)日：2025-02-13

申请号：US18710874

申请日：2022-11-21

Applicant: Dow Global Technologies LLC

Inventor： Andrew M. Camelio ,  Rhett A. Baillie ,  Brad C. Bailey ,  Johnathan E. DeLorbe ,  Hien Q. Do ,  David M. Pearson ,  Philip P. Fontaine

IPC: C08F10/02

Abstract: Embodiments of the present application are directed to supported catalyst systems that include a metal-ligand complex having the structure of formula (I):

公开(公告)号：US12104301B2

公开(公告)日：2024-10-01

申请号：US17293188

申请日：2019-11-20

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： Mehmet Demirors ,  Fabricio Arteaga Larios ,  Mridula Kapur ,  Philip P. Fontaine ,  David T. Gillespie ,  Yijian Lin ,  Lanhe Zhang ,  Sanjib Biswas ,  Eduardo Alvarez ,  Aleksandar Stoiljkovic ,  Rajen M. Patel

IPC: D04H3/007 ,  C08F210/16 ,  D01F6/46 ,  D01F8/06 ,  D04H1/4291

CPC classification number: D04H3/007 ,  D01F6/46 ,  D01F8/06 ,  D04H1/4291 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/06 ,  C08F2500/12 ,  D10B2321/021 ,  D10B2321/022 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/03 ,  C08F2500/02 ,  C08F2500/06 ,  C08F2500/29 ,  C08F210/16 ,  C08F2/001 ,  C08F210/16 ,  C08F4/64193

Abstract: A nonwoven fabric comprises at least one fiber having a first component prepared from at least 75 wt. % of bimodalethylene/alpha-olefin interpolymer composition, wherein the ethylene/alpha-olefin interpolymer composition is characterized by: a density in the range of 0.930 to 0.965 g/cm3, a melt index (I2) in the range of from 10 to 60 g/10 minutes, wherein the I2 is measured according to ASTM D1238, 190 C, 2.16 kg, a molecular weight distribution, expressed as the ratio of the weight average molecular weight to number average molecular weight (Mw(GPC)/Mn(GPC)) as determined by GPC of from 1.5 to 2.6, a tan delta at 1 radian/second of at least 45, a low temperature peak and a high temperature peak on an elution profile via improved comonomer composition distribution (ICCD) procedure, and a full width at half maximum of the high temperature peak is less than 6.0° C.

公开(公告)号：US20240010770A1

公开(公告)日：2024-01-11

申请号：US18005750

申请日：2021-02-05

Applicant: Dow Global Technologies LLC

Inventor： Philip P. Fontaine ,  David M. Pearson ,  Hien Q. Do ,  Johnathan E. Delorbe ,  Rafael Huacuja ,  Rhett A. Baillie

IPC: C08F210/16 ,  C08F4/659

CPC classification number: C08F210/16 ,  C08F4/65912

Abstract: Processes of polymerizing olefin monomers. The process comprising reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: hydrocarbyl-modified methylaluminoxane having less than 25 mole percent trihydrocarbyl aluminum compounds AlRA1RB1RC1 based on the total moles of aluminum, where RA1, RB1, and RC1 are independently linear (C1-C40)alkyl, branched (C1-C40)alkyl, or (C6-C40)aryl; and one or more metal-ligand complexes according to formula (I):

公开(公告)号：US20230072649A1

公开(公告)日：2023-03-09

申请号：US17789424

申请日：2020-12-21

Applicant: Dow Global Technologies LLC

Inventor： Sanjib Biswas ,  Rahul Sharma ,  Jacquelyn A. DeGroot ,  Erica Spiekermann ,  Douglas S. Ginger ,  Jian Wang ,  Mehmet Demirors ,  David T. Gillespie ,  Hien Q. Do ,  Philip P. Fontaine

IPC: C08L23/08 ,  C08F210/02 ,  C08J5/18

Abstract: Embodiments of a polyethylene composition are provided, which may include a first polyethylene fraction comprising at least one peak in a temperature range of from 35° C. to 70° C. in an elution profile via improved comonomer composition distribution (iCCD) analysis method, where a first polyethylene area fraction is an area in the elution profile from 35° C. to 70° C., and where the first polyethylene fraction area comprises from 25% to 65% of the total area of the elution profile; and a second polyethylene fraction comprising at least one peak in a temperature range of from 85° C. to 120° C. in the elution profile, where a second polyethylene area fraction is an area in the elution profile from 85° C. to 120° C., and where the second polyethylene fraction area comprises at least 20% of the total area of the elution profile.

公开(公告)号：US11155693B2

公开(公告)日：2021-10-26

申请号：US15755722

申请日：2016-08-22

Applicant: Dow Global Technologies LLC

Inventor： Bharat I. Chaudhary ,  Juan C. Tuberquia ,  Rennisha Wickham ,  Philip P. Fontaine ,  Colin Li Pi Shan ,  Morgan M. Hughes ,  Jan Bazen ,  Edward O. Madenjian ,  Gregory J. Brennan

IPC: H01B3/30 ,  C08K5/14 ,  C08F210/16 ,  C08J3/24 ,  H01B3/44

Abstract: Crosslinkable polymeric compositions comprising (a) 10 to 99 weight percent of an ethylene-based interpolymer having the following properties: (i) a density of 0.93 g/cm3 or less, (ii) a high-shear viscosity (V100) at 190° C. and 10% strain of 1,200 Pa-s or less, and (iii) a shear thinning ratio (V0.1/V100) at 190° C. and 10% strain of at least 8; and (b) 0 to less than 10 weight percent of a filler, where the ethylene-based interpolymer is not prepared in a high-pressure reactor. Such crosslinkable polymeric compositions may be employed as insulation layers in flexible power cables.

公开(公告)号：US10059787B2

公开(公告)日：2018-08-28

申请号：US15357901

申请日：2016-11-21

Applicant: Dow Global Technologies LLC

Inventor： Mehmet Demirors ,  Ruth Figueroa ,  Jerzy Klosin ,  Pulikkottil J. Thomas ,  Sylvie Desjardins ,  Mridula Kapur ,  Philip P. Fontaine

IPC: C08F4/76 ,  C08F4/64 ,  C08F210/16 ,  C08F4/60 ,  C08F2/00

CPC classification number: C08F210/16 ,  C08F2/001 ,  C08F4/60193 ,  Y02P20/582 ,  C08F4/64193

Abstract: The instant invention provides a polymerization process for producing ethylene based polymers.In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more α-olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in a dual reactor system or a multiple reactor system, wherein first catalyst system comprises; (a) one ore more procatalysts comprising a metal-ligand complex of formula (I):

公开(公告)号：US20180105626A1

公开(公告)日：2018-04-19

申请号：US15553356

申请日：2016-03-01

Applicant: Dow Global Technologies LLC

Inventor： Philip P. Fontaine ,  Lixin Sun ,  Colin Li Pi Shan ,  Juan C. Tuberquia ,  Susan G. Brown ,  Edward O. Madenjian ,  Gregory J. Brennan

IPC: C08F210/18 ,  C08F236/20 ,  C08F4/64 ,  C08F2/01 ,  C08L23/16

CPC classification number: C08F210/18 ,  C08F2/01 ,  C08F4/64189 ,  C08F4/64193 ,  C08F4/64196 ,  C08F4/659 ,  C08F4/65908 ,  C08F4/65912 ,  C08F236/20 ,  C08F2500/01 ,  C08L23/16 ,  C08F2/001 ,  C08F210/06 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2500/25

Abstract: The invention provides a process to form a polymer composition comprising at least one ethylene/α-olefin/non-conjugated polyene interpolymer, and wherein the polymer composition has at least the following properties: a) a Mw/V0.1 ratio greater than, or equal to, 1.80 (g/mol)/(Pa·s); said process comprising polymerizing one or more mixture(s) comprising ethylene, an α-olefin and a non-conjugated polyene in the presence of a catalyst system comprising a metal-ligand complex of Formula (I), as described herein.

公开(公告)号：US20180009958A1

公开(公告)日：2018-01-11

申请号：US15652606

申请日：2017-07-18

Applicant: Dow Global Technologies LLC

Inventor： Jerzy Klosin ,  Ruth Figueroa ,  Pulikkottil J. Thomas ,  Mehmet Demirors ,  Sylvie Desjardins ,  Mridula Kapur ,  Philip P. Fontaine

IPC: C08J5/18 ,  C07F5/00 ,  C07F7/18 ,  C08L23/08 ,  C08F210/16 ,  C08L23/06 ,  B65D51/26 ,  C08F4/64 ,  C08L23/02 ,  C08F210/14

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/60193 ,  C08F4/64186 ,  C08F210/14 ,  C08F210/16 ,  C08F2500/03 ,  C08J2323/08 ,  C08J2423/08 ,  C08L23/02 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  Y02P20/582 ,  C08F4/64193 ,  C08F2500/09 ,  C08F2500/12

Abstract: The instant invention provides procatalysts and catalyst systems for olefin polymerization, olefin based polymers polymerized therewith, and process for producing the same. In one embodiment, the instant invention provides a procatalyst comprising a metal-ligand complex of formula (I):

公开(公告)号：US09751998B2

公开(公告)日：2017-09-05

申请号：US14437543

申请日：2013-12-10

Applicant: Dow Global Technologies LLC

Inventor： Jerzy Klosin ,  Ruth Figueroa ,  Pulikkottil J. Thomas ,  Mehmet Demirors ,  Sylvie Desjardins ,  Mridula Kapur ,  Philip P. Fontaine

IPC: C08F4/76 ,  C08F4/64 ,  C08J5/18 ,  B65D51/26 ,  C08F210/16 ,  C08L23/06 ,  C08L23/08 ,  C07F5/00 ,  C07F7/18 ,  C08L23/02

CPC classification number: C08J5/18 ,  B65D51/26 ,  C07F5/00 ,  C07F7/1804 ,  C08F4/64186 ,  C08F210/14 ,  C08F210/16 ,  C08F2500/03 ,  C08J2323/08 ,  C08J2423/08 ,  C08L23/02 ,  C08L23/06 ,  C08L23/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  Y02P20/582 ,  C08F4/64193 ,  C08F2500/09 ,  C08F2500/12

Abstract: The instant invention provides procatalysts and catalyst systems for olefin polymerization, olefin based polymers polymerized therewith, and process for producing the same. In one embodiment, the instant invention provides a procatalyst comprising a metal-ligand complex of formula (I).

公开(公告)号：US20170101494A1

公开(公告)日：2017-04-13

申请号：US15311299

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 ,  Mehmet Demirors ,  Mridula Babli Kapur

IPC: C08F210/16

Abstract: The invention provides a process to form an olefin-based polymer, said process comprising polymerizing at least one olefin in the presence of at least one catalyst system comprising the reaction product of the following: A) at least one cocatalyst; and B) a procatalyst comprising a metal-ligand complex of Formula (I), as described herein: (Formula I).