Basell Polyolefine Gmbh

Basell Poliolefine Italia S.r.l.

Basell Technology Company B.v.

Equistar Chemicals, LP

Lyondell Chemical Technology, L.p.

Basell Poliolefine Italia, S.p.a.

Basell Polyolefine Wesseling

Basell Polyolifine Gmbh

Ilya Nifant'ev

Pavel V Ivchenko

Shahram Mihan

Igor Kashulin

Vladimir V Bagrov

Luigi Resconi

Sandor M Nagy

Giampiero Morini

Reynald Chevalier

Alessandro Mignogna

Linda N Winslow

Ilya P Laishevtsev

Tiziano Dall'Occo

Ofelia Fusco

Francesca Focante

Lenka Lukesova

Maurizio Stefano Galimberti

Simona Guidotti

Michael W Lynch

Martin Schneider

Yoshikuni Okumura

Daniel F White

Fabrizio Piemontesi

Giulio Balbontin

Michael J Elder

Fabiana Fantinel

Colin John Schaverien

Joachim T M Pater

Giovanni Baruzzi

Davide Balboni

Markus Enders

Barbara Kimmich

Eleonora Ciaccia

Karen L Neal-Hawkins

Yuri Gulevich

Gilberto Moscardi

Debra L Jackson

Simona Esposito

Peter A A Klusener

Marco Sacco

Peter Klusener

Frans Korndorffer

Kees De Kloe

Jos Rijsemus

Ilya V Tajdakov

Cristina Nicoara

Frans M Kornorffer

Jos J H Rijsemus

Cristiano Grandini

Ren' Ernst

Elisabetta Barbassa

Yuri A Dubitsky

Kees P De Kloe

Sophia A Toloraya

A solid catalyst component for the polymerization of olefins, made from or containing Mg, Ti and an electron donor of formula (I) where independently, Z is a bridging group, the Rgroups, equal to or different from each other, are hydrogen or a C-Chydrocarbon radicals, m is a number satisfying the valences of Z and n is an integer ranging from 1 to 10, Rand Rare selected from C-Chydrocarbon groups, optionally containing a heteroatom selected from halogen, P, S, N, O; and Rgroup, is hydrogen or Rgroups.

Catalyst components for the polymerization of olefins

The present disclosure relates to a catalyst component for the polymerization of olefins comprising Mg. Ti and an electron donor such as mercaptoester derivatives of the general formula (I). in which Z is selected from C, Si, O, N, S or P, with the proviso that the atoms O, S, P and N are not directly linked to either the carboxylic group or the sulfur atom of formula (I), the Rgroups, equal to or different from each other, are selected from hydrogen or a C-Chydrocarbon radicals, optionally containing a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, m is a number satisfying the valences of Z and n is an integer ranging from 1 to 10, X is O or S, Y is &#x2014;OR, &#x2014;NRR) or Rgroups in which Rand Rare selected from C-Chydrocarbon groups, optionally containing a heteroatom selected from halogen, P, S, N, O, and Si, R-Rgroups, independently, are hydrogen or Rgroups, and Rgroups have the same composition as Rgroups.

Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I) In which X and Y are selected from, R, and &#x2014;ORand &#x2014;NR, B is oxygen or sulphur S is sulphur, Ris selected from C-Chydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or Rand A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.

The present disclosure relates to metallocene catalysts for use in polymerization processes. Such catalysis may be used to generate long chain polymers with low long chain branching and high molecular weights. Additionally, the size of the polymers produced can be controlled by modifying the ratio of MAO or other activator to metallocene catalyst.

Substituted zirconocenes catalysts and methods of use in polymerization reactions

Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of formula (I)  In which X and Y are selected from, R, and &#x2014;ORand &#x2014;NR, B is oxygen or sulphur S is sulphur, Ris selected from C-Chydrocarbon groups, optionally contain a heteroatom selected from halogen, P, S, N, O and Si, which can be fused together to form one or more cycles, R is hydrogen or Rand A is a bivalent bridging group with chain length between the two bridging bonds being 1-10 atoms.

Method of preparing epoxidation catalysts are disclosed, including methods comprising reacting an inorganic siliceous solid with a metal complex of the formulas: wherein the variables are defined herein.

Complexes useful as active components in supported epoxidation catalysts

The present disclosure provides metallocene catalysts for use in polymerization processes. Such catalysts may be used to generate polymers with low branching and high molecular weights. Also, the present disclosure provides methods of bimodal polymerization resulting in a duality of average molecular weight polymers being simultaneously produced. In the system, the size of the polymers produced can be controlled by modifying the type and amount of catalyst activator.

Bisaryl metallocenes and use thereof to produce polyolefins

The present disclosure relates to metallocene catalyst and the use thereof to make polyolefins. In particular, the present disclosure relates to silyl-functionalized metallocene catalyst and the use of the silyl-functionalized metallocene catalyst to polymerize olefins and yield a polyolefin. Also, the present disclosure relates to a method for producing a polyolefin comprising at least the step of contacting an olefin with a metallocene catalyst to produce a polyolefin. In particular, the present disclosure provides a method for producing a polyolefin comprising the step of contacting an olefin with a silyl-functionalized metallocene catalyst.

Non-bridged metallocene complexes for the polymerization of olefins

The present invention relates to non-symmetrical organometallic transition metal compounds of the compound of the formula (I) where

Organometallic transition metal compound, catalyst system and preparation of polyolefins

Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-(2-aryloxy)quinoline or 2-(2-aryloxy)dihydroquinoline ligand. In one aspect, supported catalysts are prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the tridentate, dianionic Group 4 metal complex. The catalysts are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.

Catalysts based on 2-(2-aryloxy)quinoline or 2-(2-aryloxy)dihydroquinoline ligands

A method of preparing supported catalysts useful for olefin polymerization is described. The catalysts comprise a Group 4 metal complex that incorporates a tridentate dianionic ligand. An activator mixture is first made from a boron compound having Lewis acidity and an excess of an alumoxane. The activator mixture is then combined with a support and the Group 4 metal complex to give a supported catalyst. The method provides an active, supported catalyst capable of making high-molecular-weight polyolefins.

Method for preparing non-metallocene catalysts

Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable in this way.

Monocyclopentadienyl complexes

Catalysts useful for polymerizing olefins are disclosed. The catalysts comprise an activator and a Group 4 metal complex that incorporates a dianionic, tridentate 2-aryl-8-anilinoquinoline ligand. In one aspect, supported catalysts are prepared by first combining a boron compound having Lewis acidity with excess alumoxane to produce an activator mixture, followed by combining the activator mixture with a support and the tridentate, dianionic Group 4 metal complex. The catalysts are easy to synthesize, support, and activate, and they enable facile production of high-molecular-weight polyolefins.

Catalysts based on 2-aryl-8-anilinoquinoline ligands

A bridged metallocene compound of formula (I) wherein:

Metallocene compounds

A bridged metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon-based group; R1 is a C1-C40 hydrocarbon radical; R2 and R3, form together a condensed 3-7 membered ring; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring. 

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Moscow, Russia

Ilya Nifant'ev