Borealis Ag

Borealis Technology Oy

Borealis Polymers Oy

Peter Denifl

Timo Leinonen

Anssi Haikarainen

Marja Mustonen

Thomas Garoff

Torvald Vestberg

Michael Bartke

Markus Gahleitner

Jingbo Wang

Johanna Lilja

Thomas Horill

John Severn

Pertti Elo

Kalle Kallio

Jarmo Lindroos

Päivi Waldvogel

Pauli Leskinen

Per-Ola Hagstrand

Villgot Englund

Ulf Nilsson

Kumudini Jayaratne

Bo Malm

Pirjo Jääskeläinen

Pascal Castro

Cornelia Anita Tranninger

Benno Bildstein

Eberhard Ernst

Peter Niedersuess

Manfred Kirchberger

Lauri Huhtanen

Kari Pesonen

Georgy Kipiani

Ismo Lehtiniemi

Kimmo Hakala

Erik Van Praet

Hanna-Leena Rönkkö

Timo V Laine

Jens Reussner

Johannes Wolfschwenger

Alexander Reznichenko

Petri Rekonen

Anders E Nymark

Soile Rautio

Jyrki Kauhanen

Marita Oksman

Holger Pöhler

Pasi Matikainen

Anu-Leena Hongell

Tom Elovirta

Frank Schröder

Mikaela Eriksson

Nicolas Ronan

Erik Mansner

Ronan Nicolas

Holger Poehler

Christine Schliessburg

Karl Heinz Thiele

Marita Oksam

Haikarainen Anssi

Tommi Krogerus

Reijo Mulari

Emad Abdel-Hadi

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.

Catalyst and preparation thereof

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

Propylene is polymerised in the presence of a polymerisation catalyst comprising a solid catalyst component, an organoaluminium compound and an external electron donor, the process comprising the steps of (i) contacting propylene and hydrogen with the polymerisation catalyst in polymerisation conditions in a polymerisation reactor to produce a polymer of propylene; (ii) recovering the polymer of propylene from the polymerisation reactor; wherein the polymer of propylene has MFR of from more than 100 to 10000 g/10 min. The solid catalyst component comprises titanium, magnesium, halogen and an internal electron donor, characterised in that the internal electron donor is a compound according to formula (I): 

Process for producing polypropylene

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.

Process for the preparation of a solid catalyst system (CS) comprising the steps of preparing a liquid clathrate (LC) comprising (a) a lattice (L) being the reaction product of (i) aluminoxane (A), (ii) an organometallic compound (O) of a transition metal (M) of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and (i) a compound (B) being effective to form with the aluminoxane (A) and the organometallic compound (O) the lattice (L), and (b) a guest (G) being an hydrocarbon compound (HC), and subsequently precipitating said liquid clathrate (LC) obtaining said solid catalyst system (SC).

Preparation of a solid catalyst system

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.

Process for the preparation of a solid catalyst system comprising the steps of generating an emulsion by dispersing a liquid clathrate in a solution wherein (i) the solution constitutes the continuous phase of the emulsion and (ii) the liquid clathrate constitutes in form of droplets the dispersed phase of the emulsion, solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering said particles to obtain said catalyst system, wherein the liquid clathrate comprises a lattice being the reaction product of aluminoxane, an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and a further compound being effective to form with the aluminoxane and the organometallic compound the lattice, and a guest being an hydrocarbon compound, and the solution comprises a silicon fluid and a hydrocarbon solvent.

Growing community of inventors

Helsinki, Finland

Peter Denifl