Dow Global Technolgoies LLC

Other

California Institute of Technology

Rohm and Haas Company

Rohm & Haas Electronic Materials LLC

Rohm and Haas Electronics Materials LLC

Brad C Bailey

Jerzy Klosin

Matthew D Christianson

Andrew M Camelio

Sukrit Mukhopadhyay

David D Devore

Daniel J Arriola

Robert D J Froese

Wanglin Yu

Paul R Elowe

Mohamed Esseghir

Zenon Lysenko

Vipul Jain

Michael Leo Tulchinsky

Endre Szuromi

Suh Joon Han

Todd D Senecal

D Patrick Green

Anna V Davis

Robert David Grigg

John B Etienne

Andre B Argenton

Tomas D Paine

James W Thackeray

Francis J Timmers

David R Wilson

Yi Jin

Hongyu Chen

Edmund M Carnahan

Barry Weinstein

Philip P Fontaine

Selim Yalvac

Martin R Greaves

Jasson T Patton

Cynthia L Rand

David M Pearson

Jeffrey C Munro

Gordon R Roof

William Christopher Finch

Robert L Sammler

Heather Spinney

Yunfeng Yang

Rafael Huacuja

Andrew J Young

Charles James Rand

Yichi Zhang

Sze-Sze Ng

Robert Froese

Hien Q Do

Sanil Sreekumar

Jessica L Klinkenberg

Cynthia Pierre

Nolan T McDougal

Theodor Agapie

Evelyn Auyeung

Jordan Reddel

Hyun K Jeon

Johnathan E Delorbe

Rhett A Baillie

David Koenigs

Alex J Nett

Jeffrey C Munro, Jr

Robert DJ Froese

Su Jin Kang

Shuoyan Xiong

Austin J Smith

Sudipta Pal

Nolan T Mcdougal

Jordan C Reddel

James A Walker

Jerzy J Klosin

Martin R Greavis

Charles C Rand

Embodiments of this disclosure are directed to catalyst systems comprising a metal-ligand complex according to formula (I).

Group III and Lanthanide bis-phenyl-phenoxy metal-ligand complexes

Embodiments of this disclosure include polymerization processes that include contacting propylene and/or one or more (C4-C12)α-olefins in a reactor including a catalyst system. The catalyst system comprises a metal-ligand complex according to formula (I).

Biaryl hydroxythiophene group IV transition metal polymerization with chain transfer capability

Processes of polymerizing olefin monomers using catalyst systems comprising a procatalyst having a structure according to Formula (I).

Olefin polymerization catalysts bearing a thiazole or imidazole

Processes of polymerizing olefin monomers using catalyst systems and catalysts systems that include a procatalyst having a structure according to formula (I): (I).

Bis(phosphino)-phenoxy nickel(II) catalysts for the copolymerization of ethylene and acrylate monomers

The polymerization process of this disclosure includes includes polymerizing ethylene and one or more olefins in the presence of a catalyst system under olefin polymerization conditions to form an ethylene-based polymer. The catalyst system comprising a metal-ligand complex according to formula (I).

Heterocycle-heterocycle-based group IV transition metal catalysts for olefin polymerization

Catalyst systems for olefin polymerization include a metal-ligand complex of a general formula (I). The metal-ligand complex of formula (I) is a transition metal complex of titanium, zirconium, or hafnium, in which the transition metal is coordinated with a biaryl phenoxy ligand structure. Olefin polymerization processes include contacting ethylene and optionally one or more (C-C) alpha-olefins in the presence of the catalyst system to produce an ethylene-based polymer or copolymer.

Biaryl phenoxy group IV transition metal catalysts for olefin polymerization

Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C-C)α-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I).

Monobidentate, bis-bidentate, and tetrabidentate guanidine Group IV transition metal olefin copolymerization catalysts

Catalyst systems that include a chain transfer agent and a metal-ligand complex according to formula (I).

Biaryl hydroxythiophene group IV transition metal polymerization catalysts with chain transfer capability

Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C-C)α-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I):

Monobidentate aminopyridine group IV transition metal olefin copolymerization catalysts with ultra-high molecular weight capability and ultra-low comonomer incorporation

The present disclosure relates to a catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, (C) an activator, and (D) a chain shuttling agent.

Catalyst system for multi-block copolymer formation

An olefin polymerization catalyst system comprising: a procatalyst component comprising a metal-ligand complex of Formula (I) wherein each X is independently a monodentate or polydentate ligand that is neutral, monoanionic, or dianionic, wherein n is an integer, and wherein X and n are chosen such that the metal-ligand complex of Formula (I) is overall neutral; wherein each R1 and R5 independently is selected from (C1-C40)hydrocarbyls, substituted (C1-C40)hydrocarbyls; (C1-C40)heterohydrocarbyls and substituted (C1-C40)heterohydrocarbyls; wherein each R2 and R4 independently is selected from (C1-C40)hydrocarbyls and substituted (C1-C40)hydrocarbyls; wherein R3 is selected from the group consisting of a (C3-C40)hydrocarbylene, substituted (C3-C40)hydrocarbylene, [(C+Si)3-(C+Si)40]organosilylene, substituted [(C+Si)3-(C+Si)40]organosilylene, [(C+Ge)3-(C+Ge)40]organogermylene, or substituted [(C+Ge)3-(C+Ge)40]organogermylene; wherein each N independently is nitrogen; and optionally, two or more R1-5 groups each independently can combine together to form mono-aza ring structures, with such ring structures having from 5 to 16 atoms in the ring excluding any hydrogen atoms.

Olefin polymerization catalyst

Olefin polymerization catalyst systems are provided that include a procatalyst component having a metal-ligand complex of Formula (I): [formula] (I) where each X is a neutral, monoanionic, or dianionic, monodentate or polydentate ligand such that the complex of Formula (I) is neutral; each Rand Ris a (C-C)aryl, substituted (C-C)aryl, (C-C)heteroaryl, or substituted (C-C)heteroaryl; each R, R, R, R, R, and Ris a hydrogen; (C-C)hydrocarbyl; substituted (C-C)hydrocarbyl; (C-C)heterohydrocarbyl; substituted (C-C)heterohydrocarbyl; halogen; or nitro (NO) group; and each Rand Ris a (C-C)alkyl; substituted (C-C)alkyl; or [(Si)&#x2014;(C+Si)] substituted organosilyl. Additionally, olefin-based polymers and processes for polymerizing one or more olefin-based polymers in the presence of the olefin polymerization catalyst systems are also provided. 

Olefin polymerization catalyst systems and methods of use thereof

An olefin polymerization catalyst system includes a procatalyst component chosen from metal-ligand complexes of Formula (I): In Formula (I), each X is independently a monodentate or polydentate ligand that is neutral, monoanionic, or dianionic; the metal-ligand complex of Formula (I) is overall neutral; each Y-Yand Y-Yindependently is selected from C or N such that six membered diaza (N) or triaza (N) rings are formed; wherein each Rand Rindependently are chosen from (C-C) hydrocarbyl, substituted (C-C) hydrocarbyl, (C-C) heterohydrocarbyl, and substituted (C-C) heterohydrocarbyl or is absent; each R, R, R, R, R, and Ris chosen from hydrogen; (C-C) hydrocarbyl; substituted (C-C) hydrocarbyl; (C-C) heterohydrocarbyl; substituted (C-C) heterohydrocarbyl; halogen, nitro (NO) or is absent; each Rand Rindependently is chosen from (C-C) hydrocarbyl, substituted (C-C) hydrocarbyl, (C-C) heterohydrocarbyl, and substituted (C-C) heterohydrocarbyl. 

Processes to prepare lightly branched surfactant products comprise combining at least one olefin and a coordination-insertion catalyst under conditions such that at least one oligomer product is formed. The surfactant products comprise a main carbon chain containing an average of between 0.5 and 2.5 branches, wherein more than 50% of the branches are ethyl branches, wherein the branches are located more than one carbon away from each end of the main carbon chain in more than 20% of surfactant product molecules.

Process for the preparation of lightly-branched hydrophobes and the corresponding surfactants and applications thereof

Flooding compounds for telecommunications cables. Such flooding compounds contain a polymeric filler and a branched olefinic fluid. The branched olefinic fluid has an average of at least 1.5 methine carbons per oligomer molecule and at least 40 methine carbons per one thousand total carbons. Additionally, the average number of carbons per molecule in the branched olefinic fluid is from 25 to 200.

Flooding compounds for telecommunication cables having polymeric filler and branched olefinic fluid

Growing community of inventors

Midland, MI, United States of America

Brad C Bailey