Dow Global Technolgoies LLC

Univation Technologies, LLC

Roger L Kuhlman

Phillip Dene Hustad

Edmund M Carnahan

John Francis Szul

Timothy Todd Wenzel

Colin Li Pi Shan

Yunwa Wilson Cheung

Benjamin C Poon

Daniel J Arriola

David D Devore

Timothy R Lynn

Kim Louis Walton

Gary Robert Marchand

James C Stevens

Pradeep Jain

Jeffrey D Weinhold

Gordon R Roof

Morgan Mark Hughes

C Jeff Harlan

Rongjuan Cong

Francis J Timmers

Lonnie G Hazlitt

Sean W Ewart

Michael K Poindexter

Mehmet Demirors

Rajen M Patel

Wesley R Mariott

Timothy Marlow Boller

Colin LiPiShan

Robert D J Froese

Seema V Karande

Bharat Indu Chaudhary

Jerzy Klosin

Michael J Mullins

Yi Zhang

Gregory T Whiteker

Ching-Tai Lue

Mridula Babli Kapur

Philip P Fontaine

Daniel Paul Zilker, Jr

Daniel D VanderLende

Yijian Lin

David M Pearson

Michael D Awe

David R Neithamer

Phuong Anh Cao

Dale C Schmidt

Lixin Sun

Ruth Figueroa

Stephanie M Whited

Larry Thomas Watters

Gary M Strandburg

Angela I Padilla-Acevedo

Ayush A Bafna

Swapnil B Chandak

Nitin Borse

Angela N Taha

David D Graf

Pamela J Stirn

Eddy I Garcia-Meitin

Pankaj Gupta

Patricia L Roberts

Chuan C He

Cliff Robert Mure

Ian M Munro

Gary L Rath

Bethany M Neilson

Anthony J Castelluccio

Pamela J Kenny

Brian A Jazdzewski

Mahsa McDougal

Alec Y Wang

Cole A Witham

Andrew J Young

Peter S Martin

Bo Liu

Joseph N Coalter, Iii

Jeffrey A Sims

Daudi A Abe

David W Fuchs

Lindsey A Clark

Joel D Wieliczko

Liam P Spencer

Haiqing Peng

Mari S Rosen

Todd A Hogan

XiaoHua Qiu

Matthew Martin Yonkey

Matthew E Belowich

Troy E Knight

Daniel D Vanderlende

Michael J Radler

Jorg Theuerkauf

Daniel P Zilker

C Dale Lester

Raymond M Jones

Johnathan E Delorbe

David Koenigs

The present disclosure provides a drag reducing agent. In an embodiment, the drag reducing agent includes a polymer and a liquid carrier. The polymer is composed of one or more C-Cα-olefin monomers. The polymer includes a residual amount of zirconium. The polymer has an absolute weight average molecular weight (Mw) greater than 1,300,000 g/mol and a (Mw/Mnfrom 1.3 to 3.0.

Drag reducing agent

Embodiments of the present disclosure directed towards metal-ligand complex of Formula I: wherein M is titanium, zirconium, or hafnium; R is hydrogen or a (Cto C)alkyl; Ris a (Cto C) alkyl; any one or two of R, R, R, Ris independently a (Cto C) alkyl and the three or two of R, R, R, Ris H; and each X is independently a halide, a (Cto C) alkyl, a (Cto C) aralkyl, a (Cto C) alkyl-substituted (Cto C) aryl, a (Cto C) alkyl-substituted benzyl, or a silicon-containing alkyl.

Metal-ligand complexes

Embodiments of the present disclosure directed towards titanium biphenylphenol polymerization precatalysts of Formula (I).

Titanium biphenylphenol polymerization catalysts

Embodiments are directed towards the use of a supported biphenylphenol polymerization catalyst made from a biphenylphenol polymerization precatalyst of Formula I via a gas-phase or slurry-phase polymerization process under gas-phase or slurry-phase polymerization conditions to make a polymer.

Biphenylphenol polymerization catalysts

Embodiments provide bimodal polymerization catalyst systems comprising metallocene olefin polymerization catalysts and biphenylphenol polymerization catalysts made from biphenylphenol polymerization precatalysts of Formula I.

Bimodal catalyst systems

Provided are bimodal linear low density polyethylene copolymers (B-LLDPE copolymers) that have a combination of improved properties comprising at least one processability characteristic similar or better than that of an unblended monomodal ZN-LLDPE and a dart impact property similar or better than that of an unblended monomodal MCN-LLDPE. For the various aspects, the B-LLDPE copolymer has a density from 0.8900 to 0.9300 g/cm; a melt index (I) from 0.1 g/10 min. to 5 g/10 min.; a Mfrom 600,000 to 1,200,000 g/mol; and a hexane extractables content present in a value of up to 2.6 wt. % as measured according to ASTM D-5227:95. The B-LLDPE copolymer can be further characterized by a first melt flow ratio (I/I) from 25 to 65 and a first molecular weight ratio (M/M) from 3.5 to 5.5.

Bimodal linear low density polyethylene copolymer

A nucleating agent-free and LLDPE-free polyolefin composition for making films with enhanced barrier properties against water vapor and oxygen gas. Related aspects include formulations, manufactured articles, films, and methods.

Bimodal polyethylene homopolymer composition

Embodiments of the present disclosure are directed towards method of making a metal-ligand complex, the method including: reacting a (L)H compound and a base in a primary solvent to make a reaction mixture comprising an intermediate anionic Lcompound in the primary solvent; and reacting the intermediate anionic Lcompound and a LMXcomplex to make a LLMXcomplex, wherein Land Lindependently are cyclopentadienyl-type (Cp-type) ligands, M is zirconium or hafnium, and each X is a halide and wherein the intermediate anionic Lcompound is not isolated from the reaction mixture.

Method of making metal-ligand complexes

A bimodal ethylene-co-1-hexene copolymer composition consisting of a higher molecular weight component and a lower molecular weight component and, when in melted form at 190 degrees Celsius, is characterized by a melt property performance defined by a combination of melt index (5 kg), melt strength, and, optionally, shear thinning properties, and, when in solid form, is characterized by a slow crack growth property performance defined by a combination of strain hardening modulus and accelerated full-notch creep test performance. A pipe consisting of the bimodal ethylene-co-1-hexene copolymer composition. A method of synthesizing the bimodal ethylene-co-1-hexene copolymer composition. A method of making the pipe. A manufactured article, which is not a pipe, comprising the bimodal ethylene-co-1-hexene copolymer composition.

Bimodal polyethylene copolymer composition and pipe made thereof

A method of polymerizing an olefin monomer to make a polyolefin composition comprising a polyolefin polymer, the method comprising contacting a solution of an alkane-soluble non-metallocene precatalyst dissolved in an alkane solvent with an activator so as to make a trim catalyst comprising an alkane-soluble non-metallocene catalyst, feeding the trim catalyst, as a solution in an alkane solvent or supported on a support material as a dry powder or a slurry thereof in an alkane solvent, into a polymerization reactor, and polymerizing the olefin monomer with the trim catalyst in the polymerization reactor, thereby making the polyolefin composition.

Method of olefin polymerization using alkane-soluble non-metallocene precatalyst

A bimodal ethylene-co-1-hexene copolymer consisting essentially of a higher molecular weight component and a lower molecular weight component and, when in melted form at 190 degrees Celsius, is characterized by a unique melt property space defined by a combination of high-load melt index, melt flow ratio, and melt elasticity properties. A blown film consisting essentially of the bimodal ethylene-co-1-hexene copolymer. A method of synthesizing the bimodal ethylene-co-1-hexene copolymer. A method of making the blown film. A manufactured article comprising the bimodal ethylene-co-1-hexene copolymer.

Bimodal polyethylene copolymer and film thereof

A compound of formula (1) as drawn in the description, wherein M is a Group 4 metal, one R is a silicon-containing organic solubilizing group, and the other R is a silicon-containing organic solubilizing group or a silicon-free organic solubilizing group. A method of synthesizing the compound (1). A solution of compound (1) in alkane solvent. A catalyst system comprising or made from compound (1) and an activator. A method of polymerizing an olefin monomer with the catalyst system.

Alkane-soluble non-metallocene precatalysts

A compound of formula (1) as drawn herein, wherein M is a Group 4 metal and each R independently is a silicon-free organic solubilizing group. A method of synthesizing the compound (1). A solution of compound (1) in alkane solvent. A catalyst system comprising or made from compound (1) and an activator. A method of polymerizing an olefin monomer with the catalyst system.

A bimodal linear polyethylene composition, products made therefrom, methods of making and using same, and articles containing same.

Polyethylene composition

A bimodal polyethylene composition, products made therefrom, methods of making and using same, and articles, including bottle caps and closures, containing same.

Multimodal polyethylene composition

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Lake Jackson, TX, United States of America

Roger L Kuhlman