Borealis Technology Oy

Borealis Ag

Borealis Holding A/s

Borealis A/s

Borealis Polymers Oy

W. R. Grace Co.-conn.

Neste Oy

Timo Leinonen

Peter Denifl

Thomas Garoff

Sirpa Ala-Huikku

Eero I Iiskola

Anssi Haikarainen

Torvald Vestberg

Markus Gahleitner

Jingbo Wang

Johanna Lilja

Kumudini Jayaratne

Thomas Horill

Holger Pöhler

Ali Harlin

Bo Malm

Pirjo Jääskeläinen

Peter Niedersuess

Manfred Kirchberger

Alexander Reznichenko

Johannes Wolfschwenger

Petri Rekonen

Anders E Nymark

Mika Harkonen

Tapani Pakkanen

Georgy Kipiani

Frank Schröder

Hanna-Leena Rönkkö

Fred Bergmann

Pasi Matikainen

Tom Elovirta

Sascha Kaltenbacher

Tarja Soderberg

Holger Poehler

Bernhard Hagemann

Tuula Pakkanen

Paivi L Pitkanen

Jukka Tulisalo

Katriina Mills

Sirpa Ala Huikku

Mikaela Eriksson

Ann Britt Bjaland

Haikarainen Anssi

Erik c/o Borealis Polymers Oy Van Praet

Emad Abdel-Hadi

Kari Pesonen

Reijo Mulari

Tommi Krogerus

Andrey Bazhenov

Ville Nissinen

Mikko Linnolahti

The present invention relates to a process for producing a solid Ziegler-Natta catalyst component in the form of solid particles having a median particle size (D50) of 5 to 500 μm and the process comprising steps I. providing a solution of a Group 2 metal dihalide (IUPAC, Nomenclature of Inorganic Chemistry, 2005) by dissolving a solid Group 2 metal dihalide in an alcohol mixture comprising at least a monohydric alcohol (A1) of formula ROM, where R is selected from a hydrocarbyl group of 3 to 16 C atoms and an alcohol (A2) comprising in addition to the hydroxyl group another oxygen containing functional group not being a hydroxyl group, contacting the solution of the Group 2 metal dihalide of step I with a compound in a liquid form of a transition metal of Group 4 to 10, or of a lanthanide or actinide, preferably a transition metal of Group 4 to 6 of Periodic Table (IUPAC, Nomenclature of Inorganic Chemistry, 2005), and III. recovering the solid catalyst component, wherein the amount of Group 2 metal originating from Group 2 metal dihalide constitutes 100% of the whole amount of the Group 2 metal used in the process for producing the solid Ziegler-Natta catalyst component.

Catalyst and preparation thereof

The present invention relates to a process for producing solid Ziegler-Natta catalyst component in the form of solid particles having a median particle size (D50) of 5 to 500 &#x3bc;m the process comprising steps I. providing a solution of a mixture of Group 2 metal compounds of i) a solution of a Group 2 metal dihalide and ii) at least one Group 2 metal alkoxide of the Periodic Table (IUPAC, Nomenclature of Inorganic Chemistry, 2005) II. contacting the solution of the mixture of Group 2 metal compounds of step I with a compound in a liquid form of a transition metal of Group 4 to 10, or of a lanthanide or actinide, preferably a transition metal of Group 4 to 6 of Periodic Table (IUPAC, Nomenclature of Inorganic Chemistry, 2005), and III. recovering the solid catalyst component, wherein the solution of a Group 2 metal dihalide i) is obtained by dissolving a solid Group 2 metal dihalide in an alcohol comprising at least a monohydric alcohol of formula ROH, where R is selected from hydrocarbyl of 3 to 16 C atoms, and wherein the amount of Group 2 metal originating from Group 2 metal dihalide in the solution of the mixture of Group 2 metal compounds is in the range of 5 to 90 mol-%. The invention further relates to a catalyst comprising the catalyst component and use thereof in olefin polymerisation process.

The present invention relates to A Ziegler-Natta catalyst component in the form of solid particles having a median a particle size (D50) of 5 to 200 &#x3bc;m and comprising i) a compound of Group 1 to 3, preferably of Group 2 metal, IUPAC, Nomenclature of Inorganic Chemistry, 1989 ii) a compound of a transition metal of Group 4 to 10, or of a lanthanide or actinide, preferably a transition metal of Group 4 to 6, IUPAC, Nomenclature of Inorganic Chemistry, 1989 and iii) an internal electron donor, wherein the solid particles a have a numerical SPAN of 0.80 or below and a ratio of numerical mode to volumetric mode (Mode/Mode) of 0.60 or more and we Wherein Mode&#x3c;Mode. The invention also relates to a process for producing said catalyst component and use thereof producing Cto C&#x3b1;-olefin polymers, especially propylene or ethylene polymers or copolymers thereof with &#x3b1;-olefins of 2 to 12 C-atoms.

Catalysts

The present invention relates to a solid, particulate catalyst component having an mean particle size range of 5 to 200 &#x3bc;m and comprising a compound of a Group 2 metal, a compound of a transition metal of Group 4 to 6, and at least two internal electron donors being different to each other and being non-phthalic organic compounds selected from (di)esters of non-phthalic carboxylic (di)acids, 1,3-diethers and di-esters of 1,3-diol compounds and derivatives thereof, and wherein the solid particulate catalyst component is free of any external support material. The invention relates also to the preparation of the catalyst component and a polymerization process for producing propylene polymers.

Catalyst component

Process for producing of a capacitor film comprising the steps of (a) polymerizing propylene in the presence of a catalyst comprising a solid catalyst system obtaining a polypropylene, (b) subjecting said polypropylene to a film forming process obtaining a capacitor film, wherein during the polymerization step (a) said catalyst comprising the solid catalyst system fragments into nanosized catalyst fragments being distributed in said polypropylene, said solid catalyst system comprises a transition metal, a metal which is selected from one of the groups 1 to 3 of the periodic table (IUPAC), and an internal electron donor.

Process for the manufacture of a capacitor film

Process for the preparation of a particulate Group 2 metal/transition metal polymerization catalyst component for ethylene polymerization comprising a special bi-(oxygen containing ring) compound as internal donor, and to the use of such a catalyst component for preparing a catalyst used in the polymerization of ethylene.

Process for producing a Ziegler Natta procatalyst for ethylene polymerisation

The present invention is directed to a process for producing a solid olefin polymerization catalyst component from an emulsion wherein the particle size of the solid catalyst or the droplet size of the emulsion is controlled. The actual size of the droplets or the solid catalyst particles is measured, or alternatively, both are measured. Then a difference between the actual size and the set point is calculated and the process is controlled based on the difference.

Method for producing an olefin polymerization catalyst

Propylene homopolymer with reduced emission value.

Low emission propylene homopolymer

Propylene homopolymer with reduced emission value and high melt flow rate.

Low emission propylene homopolymer with high melt flow

The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form having an improved high temperature activity and the use thereof in a process for polymerising olefins.

Process for preparing an olefin polymerization catalyst component with improved high temperature activity

A process for the preparation of a catalyst that is in the form of solid particles includes

Preparation of precipitated ZN PP catalysts with internal pore structure using nanoparticles

The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form for polymerizing olefins, especially ethylene or propylene or comonomers thereof.

The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form free of conventional phthalate electron donors and the use thereof in a process for polymerising olefins.

The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having improved polymerization properties due to the use of Hduring catalyst component preparation and the use of such catalyst components in a process for polymerizing olefins.

Catalyst preparation using H2

The present invention relates to novel and unique catalyst particles, a method for preparing same, the use of the catalyst particles for polymerization reactions and methods of controlling the catalyst particle morphology.

Catalyst particles

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Tolkkinen, Finland

Timo Leinonen