Dsm IP Assets B.v.

Lanxess Elastomers B.v.

Francis Van Der Burgt

Martin Alexander Zuideveld

Henricus Johannes Arts

Edwin Ijpeij

Gerardus Van Doremaele

Felix Beijer

Peter Windmuller

Gerardus Henricus Josephus Van Doremaele

Gerardus Henricus Van Doremaele

Peter Jozef Windmuller

Edwin Gerard Ijpeij

Peter Jozef Hubert Windmuller

Felix Hugo Beijer

The invention relates to a process for the preparation of a polymer comprising at least one aliphatic or aromatic hydrocarbyl Colefin in the presence of an ionic catalyst, comprising an organometallic compound and an activator, and optionally a scavenger.

Polymerization catalyst comprising amidine ligand

A process for the preparation of a metal-organic compound, comprising at least one imine ligand, characterized in that an imine ligand according to formula (1) or the HA adduct thereof, wherein HA represents an acid, of which H represents its proton and A its conjugate base, is contacted with a metal-organic reagent of formula (2) in the presence of at least 1, respectively at least 2 equivalents of a base, with Y&#x2550;N&#x2014;R as formula (1), wherein Y is selected from a substituted carbon, or nitrogen atom and R represents a substituent, and with M(L)k(L)l(L)m(L)nas formula (2), wherein: M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5, L, L, L, and Lrepresent a ligand or a group 17 halogen atom on M and may be equal or different, X represents a group 17 halogen atom, k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+l=V. The invention further relates to a process for the preparation of a polyolefin by making a metal-organic compound according to the process of the invention, wherein the base is an olefin polymerisation compatible base, which metal-organic compound is activated anywhere in, or before a polymerisation reactor.

Process for the preparation of a metal-organic compound comprising at least one imine ligand

The invention relates to a process for the production of an organometallic compound according to formula (1): MALYXR(formula 1) where: M is a metal of groups 3-13 or the lanthanide series, and p is the valency of the metal M, A represents an anionic spectator ligand whose valency v is 1 or 2, Y is a spectator ligand represented by formula (2): wherein the spectator ligand is covalently bonded to the metal M via the imine nitrogen atom, Subis a substituent, which comprises a group 14 atom through which SUbis bonded to the imine carbon atom, Subis a substituent, which comprises an atom of groups 15-16, through which Subis bonded to the imine carbon atom, suband submight be connected to each other forming a ring system, r is an integer&#x3e;0, L is an optional neutral Lewis basic ligand, j is an integer denoting the number of neutral ligands L, X is an halide, and R is an anionic ligand, wherein an organometallic reagent according to formula (3), MALX(formula 3), is contacted with an alkylating agent, thus forming a precursor in which at least one of the halide atoms is replaced by an anionic ligand R that may be independently selected from the group consisting of alkyl, arylalkyl, aryl, or a combination thereof, which precursor is subsequently contacted with an imine according to formula (2). 

Process for the preparation of a metal-organic compound comprising a spectator ligand

The invention relates to a process for the preparation of a metal-organic compound, comprising at least one phosphinimine ligand, characterized in that the HA adduct of a phosphinimine ligand according to formula (1) is contacted with a metal-organic reagent of formula (2) in the presence of 1, respectively 2 equivalents of a base, wherein HA represents an acid, of which H represents its proton and A its conjugate base, with Y&#x2550;N&#x2014;H as formula (1), and M(L)(L)(L)(L)X as formula (2), and wherein Y is a substituted phosphorous atom, and M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5 L, L, L, and Lrepresent a ligand or a group 17 halogen atom on M and may be equal or different, k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+1=V, and X represents a group 17 halogen atom. The invention further relates to a process for the preparation of a polyolefin by making a metal-organic compound according to the process of the invention, wherein the base is an olefin polymerization compatible base, which metal-organic compound is activated anywhere in, or before a polymerization reactor.

Process for the preparation of an metal-organic compound comprising at least one imine ligand

The invention relates to a process for the preparation of a metal-organic compound, comprising at least one phosphinimine ligand, characterized in that the HA adduct of a phosphinimine ligand according to formula (1) is contacted with a metal-organic reagent of formula (2) in the presence of at least 2 equivalents of a base, wherein HA represents an acid, of which H represents its proton and A its conjugate base, with Y&#x2550;N&#x2014;H as formula (1), and M(L)(L)(L)(L)X as formula (2), and wherein Y is a substituted phosphorous atom, and M represents a group 4 or group 5 metal ion, V represents the valency of the metal ion, being 3, 4 or 5 L, L, L, and Lrepresent a ligand or a group 17 halogen atom on M and may be equal or different, k, l, m, n=0, 1, 2, 3, 4 with k+l+m+n+l=V, and X represents a group 17 halogen atom. The invention further relates to a process for the preparation of a polyolefin by making a metal-organic compound according to the process of the invention, wherein the base is an olefin polymerisation compatible base, which metal-organic compound is activated anywhere in, or before a polymerisation reactor.

The invention related to a process for the polymerization of at least one aliphatic Cor aromatic Chydrocarbyl mono- or multiolefin in the presence of a catalyst and an aluminum comprising co-catalyst, wherein the catalyst comprises a composition of a metal-organic reagent, a spectator ligand and optionally at least one equivalent of a hydrocarbylating agent. The invention further relates to a polymer obtainable by the process of the invention.

Process for the preparation of a polyolefin

The invention related to a process for the polymerization of at least one aliphatic or aromatic hydrocarbyl C2-20 mono- or multiolefin in the presence of a catalyst and a boron comprising co-catalyst, wherein the catalyst comprises a composition of a metal-organic reagent, a spectator ligand and optionally at least one equivalent of a hydrocarbylating agent. The invention further relates to a polymer obtainable by the process of the invention.

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Herten, Netherlands

Francis Van Der Burgt