Dow Global Technolgoies LLC

Philip P Fontaine

Mehmet Demirors

Jerzy Klosin

Ruth Figueroa

Mridula Babli Kapur

Susan G Brown

Sylvie Y Desjardins

Andrew J Young

Edmund M Carnahan

Pulikkottil Jacob Thomas

Carl N Iverson

Chunming Zhang

David R Wilson

Arkady L Krasovskiy

David T Gillespie

David M Pearson

Endre Szuromi

Douglas S Ginger

Rajen M Patel

Pradeep Jain

Colin Li Pi Shan

Juan C Tuberquia

Timothy Wayne Gambrel

Vivek Kalihari

Bharat Indu Chaudhary

Kim Louis Walton

Morgan Mark Hughes

Mustafa Bilgen

Jian Jim Wang

Roger L Kuhlman

Yi Jin

Gary Robert Marchand

Ravi B Shankar

Cristina Serrat

Mari S Rosen

Sanjib Biswas

Yijian Lin

Jeffrey C Munro

Jeffrey D Weinhold

Lixin Sun

Brad C Bailey

Liam P Spencer

Didem Oner-Deliormanli

Rafael Huacuja

Andrew M Camelio

Alexander Williamson

Rahul Sharma

Todd D Senecal

Andrew T Heitsch

Xuming Chen

Matthew Martin Yonkey

Hien Q Do

Tulaza Vaidya

Zach T Rickaway

Johnathan E DeLorbe

Edward O Madenjian

Kyle E Hart

Gregory J Brennan

Rennisha R Wickham

Bryan D Stubbert

Heqi Pan

Jan Bazen

Fabricio Arteaga Larios

Joshua B Gaubert

Robert David Grigg

Ellen Donkers

Arvind Jaganathan

David Lopez

Jon W Hobson

Aleksandar Stoiljkovic

Daniel W Baugh, Iii

Eduardo Alvarez

Jin Wang

Hitendra Singh

Johnathan E Delorbe

Evelyn Auyeung

Hrishikesh R Munj

David Wilson

Arnaldo T Lorenzo

Shadid Askar

Rhett A Baillie

Jian Wang

Francis O Olajide, Jr

Amaia Bastero

Mridula Kupar

Kelli A Ogawa

Amy E Floeck (nee Duchnowski)

Daniel K Lesniewski

Russell W Anderson

Lanhe Zhang

Jeffrey C Munro, Jr

A Willem Degroot

Sudipta Pal

Jacquelyn A DeGroot

Erica Spiekermann

Daniel W Baugh Iii

David López

Embodiments of the present application are directed to procatalysts, and catalyst systems including procatalysts, including a metal-ligand complex having the structure of formula (I):

Catalyst systems and processes for producing polyethylene using the same

Embodiments are directed to a metal-ligand complex catalyst precursor, (L)(L)X(R)(R), and methods for producing the same from a compound of formula QX(R)(R). Land Lare independently —R—Zor —R—Z. Rand Rare independently selected from a hydrogen atom, (C-C)hydrocarbyl and, optionally, Rand Rare connected to form a ring having from 3 to 50 atoms in the ring, excluding hydrogen atoms. X is Si, Ge, Sn, or Pb. Each Q is independently Ar—YR— or Ar—Y—R—. Rand Rare independently selected from —(CR)—, where m is 1 or 2, and where each Ris independently selected from the group consisting of (C-C)hydrocarbyl, (C-C)heterohydrocarbyl, and —H. Yand Yare independently S, Se, or Te. Arand Arare independently (C-C)aryl. Ar—Y—R— and Ar—Y—R— are not identical. Each Zis independently selected from Cl, Br, and I.

Non-cryogenic synthesis of heteroatom-bridge precursors of metal-ligand complex catalysts

The present invention is directed to polyethylene-based compositions suitable for packaging applications, films, and articles. The polyethylene-based composition according to embodiments disclosed herein includes a polyethylene composition having a first polyethylene fraction and a second polyethylene fraction as well as a calcium salt of 1,2-cyclohexanedicarbodylic acid. The polyethylene-based composition can deliver a balance of properties, including barrier properties, for packaging applications.

Polyethylene-based compositions and films and articles comprising the same

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/cm, 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 (M/M) 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.

Non-woven fabric having ethylene/alpha-olefin polymer fibers

A cast film inducing a bimodal ethylene-based polymer having a high density fraction (HDF) from 3.0% to 10.0%, an I/Iratio from 5.5 to 7.0, a short chain branching distribution (SCBD) less than or equal to 10° C., a density from 0.910 g/cc to 0.920 g/cc, and a melt index (I) from 1.0 g/10 mins to 8.0 g/10 mins.

Cast films comprising bimodal ethylene-based polymers having high molecular weight high density fractions

A bimodal ethylene-based polymer, including a high density fraction (HDF) from 3.0% to 25.0%, wherein the high density fraction is measured by crystallization elution fractionation (CEF) integration at temperatures from 93° C. to 119° C., an I/Iratio from 5.5 to 7.5, wherein Iis the melt index when measured according to ASTM D 1238 at a load of 2.16 kg and temperature of 190° C. and Iis the melt index when measured according to ASTM D 1238 at a load of 10 kg and temperature of 190° C., and a short chain branching distribution (SCBD) less than or equal to 10° C., wherein the short chain branching distribution is measured by CEF full width at half height.

Bimodal ethylene-based polymers having high molecular weight high density fractions

A blown film having a bimodal ethylene-based polymer including a high density fraction (HDF) from 3.0% to 25.0%, an I/Iratio from 5.5 to 7.5, a short chain branching distribution (SCBD) less than or equal to 10 C, a zero shear viscosity ratio from 1.0 to 2.5, a density from 0.902 g/cc to 0.925 g/cc, and a melt index (I) from 0.5 g/10 mins to 2.0 g/10 mins.

Blown films comprising bimodal ethylene-based polymers having high molecular weight high density fractions

Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: 

Bis-biphenyl-phenoxy catalysts for olefin polymerization

Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: where X is selected from the group consisting of &#x2014;ORor NR. 

Bis-phenyl-phenoxy polyolefin catalysts having an alkoxy- or amido-ligand on the metal for improved solubility

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: 

Polymerizations for olefin-based polymers

Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: Formula I. 

Germanium-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization

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/cmor less, (ii) a high-shear viscosity (V100) at 190&#xb0; C. and 10% strain of 1,200 Pa-s or less, and (iii) a shear thinning ratio (V0.1/V100) at 190&#xb0; 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.

Flexible crosslinked cable insulation and methods for making flexible crosslinked cable insulation

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.

Mixed catalyst systems for producing multimodal elastomers

Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)). 

Silyl-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization

Embodiments are directed to a catalyst system comprising metal-ligand complexes and processes for polyolefin polymerization using the metal-ligand complex having the following structure, Formula (I), where X is selected from the group consisting of &#x2014;(CH2)SiRX3. 

Bis-phenyl-phenoxy polyolefin catalysts having a methylenetrialkylsilicon ligand on the metal for improved solubility

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Houston, TX, United States of America

Philip P Fontaine