Basell Poliolefine Italia S.r.l.

Basell Poliolefine Italia, S.p.a.

Basell Polyolefine Gmbh

Other

Volker Dolle

Horst Klassen

Karl Heinz Kagerbauer

Alberto Gil

Eduardo Chicote Carrion

Gianni Collina

Ofelia Fusco

Benedetta Gaddi

Roberto Pantaleoni

Monica Galvan

Antonio Mazzucco

Giampiero Morini

Marco Ciarafoni

Diego Brita

Daniele Evangelisti

Tiziano Dall'Occo

Andreas Neumann

Maurizio Stefano Galimberti

Ilya Nifant'ev

Ilya P Laishevtsev

Paola Massari

Fabrizio Piemontesi

Mario Sacchetti

Angelo Ferraro

Lorella Pedriali

Francesca Verrocchio

Claudio Cavalieri

Samuel David Arthur

Simona Guidotti

Takeshi Nakajima

Giovanni Baruzzi

Tiziana Caputo

Anna Fait

Mark F Teasley

Joachim T M Pater

Gisella Biondini

Mara Destro

Dewey Lynn Kerbow

Maria Di Diego

Paolo Vincenzi

Arrigo Arletti

Constantine A Stewart

Ines Mingozzi

Rosa Spoto

Nicolo Arich De Finetti

Nicolò Arich De Finetti

Stefano Squarzoni

Gabriella Sartori

Lucia Caiazzo

Marco Bocchino

Karl-Heinz Kagerbauer

Shintaro Takemiya

Giuseppina Maria Algozzini

Massimo Cenci

Andrea Casalini

Andreas Newmann

Tiziano Dall 'Occo

Hirofumi Murakami

Joachim TM Pater

A process for the preparation of a solid catalyst component for the polymerization of CH&#x2550;CHR olefins, wherein R is hydrogen or hydrocarbyl radical with 1-12 carbon atoms, made from or containing a Ti compound on a Mg chloride based support, including the steps of (a) reacting a Mg based compound with a liquid medium made from or containing a Ti compound, at a temperature ranging from 0 to 150&#xb0; C., thereby yielding solid particles; and (b) suspending the solid particles coming from step (a) in a liquid medium made from or containing hydrocarbons at a temperature ranging from 10 to 100&#xb0; C., wherein step (a) or (b) is carried out in the presence of 0.2 to 20.0% by weight, with respect to the amount of Mg compound, of particles of a solid compound containing more than 50% by weight of SiOunits and having average particle size from 1 to 100 &#x3bc;m.

Process for the preparation of catalyst components for the polymerization of olefins

A Prepolymerized catalyst component for the polymerization of olefins comprising a solid catalyst component which comprises Mg, Ti, and chlorine atoms and an electron donor (ID) said prepolymerized catalyst component being characterized by the fact that:

Prepolymerized catalyst components for the polymerization of olefins

A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (1ID) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with(b) an organo-aluminum compound, and optionally with(c) an external electron donor compound,said process being carried out at a temperature equal or higher than 78&#xb0; C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.

Process for the preparation of high purity propylene polymers

Prepolymerized catalyst component for the polymerization of olefins CH&#x2550;CHR, wherein R is hydrogen or a C-Chydrocarbyl group, comprising a solid catalyst component characterized by comprising Mg, Ti halogen and an electron donor (ID) selected from the alkyl esters of aromatic dicarboxylic acids in such an amount that the molar ratio ID/Mg ranges from 0.025 to 0.07 and the Mg/Ti molar ratio is higher than 13, said prepolymerized catalyst component containing an amount of ethylene pre-polymer up to 50 g per g of said solid catalyst component.

Catalyst components for the polymerization of olefins

Films or sheets of polypropylene, particularly biaxially oriented polypropylene (BOPP) films, exhibiting excellent physical and mechanical properties combined with good processing characteristics can be prepared from propylene polymers prepared in the presence of Ziegler-Natta catalysts comprising a succinate and a diether compound.

Polypropylene films and sheets

The present disclosure relates to a porous solid adduct comprising magnesium chloride and ethanol, characterized by a relationship between the content of alcohol, average pore radius and amount of porosity deriving from pores with radii of 100-1000 nm, and catalyst components produced therefrom that are capable of producing polyolefins with increased porosity.

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

Preparing propylene polymer compositions comprising 50 to 90% by weight of a propylene (co)polymer, and 10 to 50% by weight of an ethylene copolymer. The polymerization process includes, in the presence of a catalyst system: The catalyst system contains the product obtained by contacting:

Process for the preparation of heterophasic propylene polymer compositions

The present disclosure relates to a process for the preparation of a porous propylene carried out in the presence of a catalyst system comprising (a) a Ziegler-Natta catalyst containing at least two electron donor compounds, one of which is present in an amount from 50 to 90% by mol with respect to the total amount of donors and selected from succinates, and the other being selected from 1,3 diethers, (b) an aluminum alkyl and comprising the following steps:

Process for the preparation of porous propylene polymers

Propylene terpolymers are prepared by polymerizing propylene, ethylene and an alpha-olefin selected from the group of C-Calpha-olefins in the presence of a catalyst system obtained by contacting a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other selected from 1,3 diethers, an aluminum hydrocarbyl compound, and optionally an external electron donor compound.

Process for the preparation of propylene terpolymers and terpolymers obtained thereby

A solid adduct comprising magnesium chloride and ethanol in which the moles of ethanol per mole of magnesium chloride range from 2 to 5 and in which the ratio between the average pore radius measured in Angstrom of said adduct, determined by mercury porosity, and the moles of ethanol, is higher than 500.

Prepolymerized catalyst component for the polymerization of olefins CH&#x2550;CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, having average particle size equal to or lower than 30 &#x3bc;m comprising a solid catalyst component comprising magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other one being selected from esters of aromatic mono or dicarboxylic acids, said solid catalyst component being prepolymerized with an olefin, having from 2 to 10 carbon atoms, to such an extent that the amount of the olefin prepolymer is equal to or lower than 50 g per g of solid catalyst component.

A process for the preparation of propylene polymer compositions carried out in the presence of a catalyst system comprising (a) a solid catalyst component having average particle size ranging from 15 to 80 &#x3bc;m comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 50 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum alkyl and optionally (c) an external electron donor compound, and comprising the following steps:

Process for the preparation of impact resistant propylene polymer compositions

A process for the preparation of propylene polymer compositions comprising from 50 to 90% by weight of a propylene polymer fraction insoluble in xylene at 25&#xb0; C., and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25&#xb0; C., said process being carried out in the presence of a specific catalyst system, is also characterized by the following step:

Automotive interior element comprising a polypropylene composition comprising (percent by weight): A) from 60% to 90% of a propylene homopolymer having: i) a polydispersity Index (P.I.) value of from 3.5 to 10.0; ii) a fraction insoluble in xylene at 25&#xb0; C., higher than 90%; and iii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230&#xb0; C. and 2.16 kg load) from 50 to 200 g/10 min; B) from 10% to 40%; of a copolymer of propylene with from 30% to 60% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25&#xb0; C. comprised between 2.5 and 4.0 dl/g; a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230&#xb0; C. and 2.16 kg load) from 15 to 100 g/10 min and all the three values of carbon emission measured according to VDA 227 (C-emission) are lower than 30.0 &#x3bc;gC/g; wherein the values of carbon emission are measured in the ex reactor propylene composition.

Automotive interior element

A propylene polymer composition comprising (percent by weight):

Propylene polymer compositions

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Ferrara, Italy

Ofelia Fusco