Exxonmobil Chemical Patents Inc.

Arlanxeo Netherlands B.v.

Georgy Pavlovich Goryunov

Alexander Z Voskoboynikov

Dmitry Vadimovich Uborsky

Jo Ann M Canich

John Robert Hagadorn

Mikhail I Sharikov

Oleg Vladimirovich Samsonov

Pavel Sergeevich Kulyabin

Ilya S Borisov

Vladislav A Popov

Peijun Jiang

Xin Chen

Patrick J Palafox

Alexandra Berthoud

Alexey A Tsarev

Michelle E Titone

Yaohua Gao

Arkady K Golenishchev

Irene C Cai

Maxence Valla

Jian Yang

Catherine Anne Faler

Vyatcheslav V Izmer

Dmitry S Kononovich

Andrey F Asachenko

Alex E Carpenter

Hua Zhou

Dmitry Y Mladentsev

Alexander Zel'Manovich Voskoboynikov

Oleg V Samsonov

The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization. In at least one embodiment, the catalyst compounds belong to a family of compounds comprising amido-phenolate-heterocyclic ligands coordinated to group 4 transition metals. The tridendate ligand may include a central neutral hetrocyclic donor group, an anionic phenolate donor, and an anionic amido donor. In some embodiments, the present disclosure provides a catalyst system comprising an activator and a catalyst of the present disclosure. In some embodiments, the present disclosure provides a polymerization process comprising a) contacting one or more olefin monomers with a catalyst system comprising: i) an activator and ii) a catalyst of the present disclosure.

Lewis base catalysts and methods thereof

Metallocene complexes represented by the structure below are useful for alpha olefin oligomerization in the presence of an activator to generate polyalphaolefins having a high percentage of vinylidene termination and relatively low Mn values. M is a group 4 transition metal. A is a bridging group having one bridging atom extending between a first indenyl ring and a second indenyl ring. Each X is independently an anionic ligand, or two Xs are joined and bound to M to form a metallocycle ring, or two Xs are joined to form a chelating ligand, a diene ligand, or an alkylidene ligand. R, R, R, R, R, R, Rand Rare hydrogen. R, R, R, and Rare independently a C-C, optionally substituted, hydrocarbyl group, or Rand Rand/or Rand Rare bonded together to form an optionally substituted hydrocarbyl ring structure.

Ansa-bis(inden-2-yl) catalysts for producing vinylidene-terminated polyalphaolefins

A metal complex of the formula (1) TCyLMZ(1), wherein M is a group 4 metal, Z is an anionic ligand, p is the number 1 or 2, TCy is a thiophene-fused cyclopentadienyl-type ligand of the formula (2) is described. Methods of making and using the metal complex are also described.

Metal complex comprising amidine and thiophene fused cyclopentadienyl ligands

A metal complex of the formula (1) InCyLMZp (1), wherein M is a group 4 metal, Z is an anionic ligand, p is number of 1 to 2, InCy is an indole fused cyclopentadienyl-type ligand of the formula (2) wherein Rindependently is a C1-C4-alkyl, m is a number of 0 to 4, Ris a C1-C10-alkyl, C5-C10-cycloalkyl, or a C6-C10-aryl unsubstituted or substituted with C1-C10-alkyl or C1-C4-dialkyl amino, R, Rand Reach is independently selected from hydrogen, C1-C4-alkyl, C6-C10-aryl unsubstituted or substituted with C1-C4-alkyl, halide, or both of C1-C4-alkyl and halide and, L is an amidinate ligand of the formula (3a) wherein the amidine-containing ligand (3a) is bonded to the metal M via the imine nitrogen atom N2, wherein Ris independently selected from C1-C4-alkyl and halide and q is a number of 0 to 4, Subis a cyclic or linear aliphatic or aromatic substituent. 

Metal complex comprising amidine and indole fused cyclopentadienyl ligands

This invention relates to transition metal complexes of a dianionic, tridentate ligand that features a central neutral heterocyclic Lewis base and two phenolate donors, where the tridentate ligand coordinates to the metal center to form two eight-membered rings. Preferably the bis(phenolate) complexes are represented by Formula (I): where M, L, X, m, n, E, E', Q, R, R, R, R, R, R, R, R, A, A, are as defined herein, where AQAare part of a heterocyclic Lewis base containing 4 to 40 non-hydrogen atoms that links Ato Avia a 3-atom bridge with Q being the central atom of the 3-atom bridge.

Transition metal bis(phenolate) complexes and their use as catalysts for olefin polymerization

The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the Lewis base catalysts (e.g., bis(aryl phenolate) five-membered ring catalysts), can be stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high molecular weights or polymers having low to very molecular weights, and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.

The present disclosure relates to Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the Lewis base catalysts can be stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high melting points, high isotacticity, and controllable molecular weights, and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.

The present disclosure relates to bis(aryl phenolate) Lewis base catalysts. Catalysts, catalyst systems, and processes of the present disclosure can provide high temperature ethylene polymerization, propylene polymerization, or copolymerization as the bis(aryl phenolate) Lewis base catalysts are stable at high polymerization temperatures and have good activity at the high polymerization temperatures. The stable catalysts with good activity can provide formation of polymers having high molecular weights and the ability to make an increased amount of polymer in a given reactor, as compared to conventional catalysts. Hence, the present disclosure demonstrates highly active catalysts capable of operating at high reactor temperatures while producing polymers with controlled molecular weights and or robust isotacticity.

Bis(aryl phenolate) lewis base catalysts and methods thereof

This invention relates to transition metal complexes represented by the formula: catalyst systems comprising the complexes, and polymerization methods for olefinic monomers using the catalyst systems. In said formula, M is a transition metal; E is NR, CRR, O, S, or SiRR; Q is optional substitution; p is an integer ranging from 0 to 3; L is an optional neutral ligand; m is an integer ranging from 0 to 3; X is an anionic leaving group; n is 1 or 2, with m+n being 4 or less; J is a linker group contributing two or three atoms that are located within a first chelate ring; Rand Rare independently a hydrocarbyl group or a trihydrocarbylsilyl group; Ris a hydrocarbyl group; Rand Rare independently H, a hydrocarbyl group, or a trihydrocarbylsilyl group; and Rand Rare independently a hydrocarbyl group.

Benzazole and pseudoindole diamido transition metal complexes and use thereof in olefin polymerization

Quinolinyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce multimodal polyolefins.

Quinolinyldiamido transition metal complexes, production and use thereof

The present disclosure provides methods for making quinolinyldiamine products from quinolinyl starting materials. In addition, the quinolinyldiamines can be used as ligands or ligand precursors for catalysts, e.g. for use in olefin polymerization.

Methods for making quinolinyldiamines

This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having at least one arenyl ligand substituted with: 1) a cyclopropyl group and, optionally, 2) at at least one other group, such as a hydrocarbyl, a heteroatom or a heteroatom containing group.

Cyclopropyl substituted metallocene catalysts

Heterocyclic amido transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins, preferably multimodal polyolefins. The heterocyclic amido transition metal complexes are formed by the chelation of a tridentate dianionic heterocyclic amido ligand to a group 3, 4, or 5 transition metal, where the tridentate ligand coordinates to the metal forming a five-membered ring and an eight-membered ring.

Heterocyclic amido transition metal complexes, production and use thereof

This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having at least one arenyl ligand substituted with: 1) a cyclopropyl group and, optionally, 2) at least one other group, such as a hydrocarbyl, a heteroatom or a heteroatom containing group.

Growing community of inventors

Moscow, Russia

Georgy Pavlovich Goryunov