Exxonmobil Chemical Patents Inc.

Tel Aviv University

Univation Technologies, LLC

Other

David A Cano

Crisita Carmen H Atienza

Matthew William Holtcamp

Gregory S Day

Catherine Anne Faler

Moshe Kol

Margaret T Whalley

Meagan E Evans

Xuan Ye

John Robert Hagadorn

Konstantin Press

Michelle E Titone

Matthew S Bedoya

David F Sanders

Garth Ronald Giesbrecht

Machteld M W Mertens

Gerardo J Majano Sanchez

Eric D Whetmore

Jo Ann M Canich

George Rodriguez

David H McConville

Rhutesh K Shah

Patrick C Chen

Rohan A Hule

Kevin P Ramirez

Gursu Culcu

Ayellet Stopper

Frank C Rix

The present disclosure provides catalyst compounds represented by Formula (I): where Q is OR, SR, NRR, PRR, or a heterocyclic ring; each Ris independently hydrogen, C-Chydrocarbyl, substituted C-Chydrocarbyl, a heteroatom, or a heteroatom-containing group, or multiple Rare joined together to form a C-Ccyclic, heterocyclic, or polycyclic ring structure, or combination(s) thereof; each Xand Xis independently C-Chydrocarbyl, substituted C-Chydrocarbyl, a heteroatom, or a heteroatom-containing group, or Xand Xjoin together to form a C-Ccyclic, heterocyclic, or polycyclic ring structure; and Y is a hydrocarbyl. The present disclosure also provides catalyst systems including an activator, a support, and a catalyst of the present disclosure. The present disclosure also provides polymerization processes including introducing olefin monomers to a catalyst system. Additionally, the present disclosure provides a polyolefin formed by a catalyst system or method of the present disclosure.

Catalysts for olefin polymerization

The present disclosure provides catalyst compounds including a nonsymmetric bridged amine bis(phenolate), catalyst systems including such, and uses thereof. Catalyst compounds, catalyst systems, and processes of the present disclosure can provide high comonomer content and high molecular weight polymers having narrow Mw/Mn values, contributing to good processability for the polymer itself and for the polymer used in a composition.

C1,C2-bridged ligands and catalysts

The present disclosure provides catalyst compounds having an amine bridged anilide phenolate ligand. In at least one embodiment, catalysts of the present disclosure provide catalyst activity values of about 90 gP/mmolCat&#xb7;hor greater and polyolefins, such as polyethylene copolymers, having comonomer content of from about 4 wt % to about 12 wt %, an Mn of about 90,000 g/mol or more, an Mw of 155,000 g/mol or more, and an Mw/Mn of from 1 to 2.5.

Amine bridged anilide phenolate catalyst compounds

The present disclosure provides group 4-, i.e., zirconium- and hafnium-, containing catalyst compounds having an ether bridged anilide phenolate ligand. Catalyst compounds of the present disclosure can be asymmetric, having an electron donating side of the catalyst and an electron deficient side of the catalyst. In at least one embodiment, catalysts of the present disclosure provide catalyst activity values of 400,000 gP/mmolCat&#xb7;hor greater and polyolefins, such as polyethylene copolymers, having comonomer content of from about 3.5 wt % to 8.5 wt %, an Mn of about 15,000 g/mol to about 140,000 g/mol, an Mw of from about 100,000 g/mol to about 300,000 g/mol, and a Mw/Mn of from 1 to 2.5. Catalysts, catalyst systems, and processes of the present disclosure can provide polymers having comonomer content of from 7 wt % to 12 wt %, such as from 8 wt % to 10 wt %).

Bridged anilinyl phenyl phenol catalyst compounds

The present disclosure provides transition metal catalysts and the respective bridged phenolate ligands contained on the catalyst, as well as, catalyst systems and polymerization processes for producing polyolefins. The catalysts and the catalyst systems provide catalytic activity values of greater than 100 kg/mmol-hr, such as greater than 400 kg/mmol-hr or greater than 500 kg/mmol-hr.

Bridged phenolate transition metal complexes, production, and uses thereof

The present disclosure provides catalyst compounds having a tridentate ethylene bridged amine bis(phenolate) ligand. Catalysts of the present disclosure preferably provide catalyst activity values of 250 gP/mmolCat/hr or greater and polyolefins, such as polyethylene copolymers, having comonomer content of 8.5 wt % or greater, an Mn of 190,000 g/mol or greater, an Mw of 350,000 g/mol or greater, and a narrow Mw/Mn (such as about 2). Catalysts, catalyst systems, and processes of the present disclosure can provide polymers having a high comonomer content (e.g., 8.5 wt % or greater).

Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.

Bisphenolate transition metal complexes, production and use thereof

A process for producing alpha-olefin dimers comprises contacting, at a temperature of 80&#xb0; C. or more, a feedstock comprising at least one C(linear) alpha-olefin with a catalyst system comprising activator and one or more catalyst compounds represented by the formula: where M is a Group 4 metal; n is 1, 2, or 3; Ris hydrogen or a Cto Calkyl; each of R, R, R, R, R, R, R, and Ris independently selected from hydrogen and Cto Calkyl; each X is independently selected from the group consisting of hydrocarbyl radicals having from 1 to 20 carbon atoms, hydrides, amides, alkoxides, sulfides, phosphides, halides, and a combination thereof, (two X's may form a part of a fused ring or a ring system), the contacting being conducted under conditions effective to oligomerize at least part of Calpha-olefin to produce an oligomerized product containing at least 30 wt % of the alpha-olefin dimer and at least 80 mol % of vinylidene unsaturation, where the conversion of the alpha olefin is at least 10 wt %, based upon the weight of the alpha olefin monomer entering the reactor and the weight of dimer produced.

Production of olefin dimers

Phenolate ligands and transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.

Phenolate transition metal complexes, production and use thereof

Phosphasalen transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins. The transition metal complexes are represented by the formula: wherein M is a Group 4 metal; each of Xand Xis a univalent group, such as halogen or benzyl; each of R, R, R, R, R, R, R, R, R, R, R, and Ris, independently, hydrogen, a substituted or unsubstituted C-Chydrocarbyl radical, etc.; and Ris a divalent C-Chydrocarbyl radical or divalent substituted C-Chydrocarbyl radical comprising a portion that comprises a linking backbone comprising from 2 to 18 carbon atoms linking Nand N.

Transition metal complexes, production and use thereof

A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.

Supported Salan catalysts

This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.

Polymerization process using bis phenolate compounds supported on organoaluminum treated layered silicate supports

Supported bis phenolate transition metals complexes, production and use thereof

Catalyst compounds and catalyst systems including an asymmetric Salan ligands having a fluorenyl moiety are disclosed. Methods of preparing such catalyst compounds and catalyst systems, polymerization processes using such catalysts systems and olefin polymers prepared according to such processes using the catalysts systems are described.

Growing community of inventors

Houston, TX, United States of America

David A Cano