Basell Poliolefine Italia S.r.l.

Benedetta Gaddi

Gianni Collina

Ofelia Fusco

Roberto Pantaleoni

Daniele Evangelisti

Giampiero Morini

Marco Ciarafoni

Monica Galvan

Antonio Mazzucco

Claudio Cavalieri

Fabrizio Piemontesi

Gianni Vitale

Diego Brita

Andreas Neumann

Paola Massari

Anna Fait

Joachim T M Pater

Caroline Cathelin

Maria Di Diego

Lorella Marturano

Francesca Verrocchio

Tiziano Dall'Occo

Simona Guidotti

Dario Liguori

Tiziana Caputo

Pietro Baita

Michele Grazzi

Fabiana Fantinel

Gisella Biondini

Mara Destro

Antonio Cristofori

Arrigo Arletti

Isabella Maria Vittoria Camurati

Paolo Vincenzi

Silvia Soffritti

Ines Mingozzi

Gianpiero Ferraro

Nicolo Arich De Finetti

Lorella Pedriali

Gabriella Sartori

Piero Gessi

Nicolò Arich De Finetti

Stefano Squarzoni

Lucia Caiazzo

Marco Bocchino

Harry Mavridis

Giuseppina Maria Algozzini

Massimo Cenci

Joachim TM Pater

A propylene polymer composition made from or containing: a) from 15 wt % to 35 wt % of a propylene 1-hexene copolymer containing from 6.2 to 8.5% by weight, of 1-hexene derived units and having a Melt Flow Rate from 3.5 to 8.5 g/10 min; b) from 15 wt % to 35 wt % of a propylene 1-hexene copolymer containing from 10.4 wt % to 14.5 wt %, of 1-hexene derived units and having a Melt Flow Rate from 3.5 to 8.5 g/10 min; and c) from 38 wt % to 68 wt % of a propylene ethylene copolymer containing from 3.4 wt % to 5.7 wt % of ethylene derived units and having a Melt Flow Rate from 3.5 to 12.0 g/10 min, wherein the sum of the amount of a), b) and c) being 100.

Propylene based polymer composition

A propylene ethylene copolymer having the following features:

Random propylene-ethylene copolymers

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 propylene 1-hexene copolymer containing from 5.7 to 7.7% by weight of 1-hexene derived units, based upon the total weight of the propylene 1-hexene copolymer, having: a) a solubility in xylene at 25&#xb0; C. ranging from 7.0 wt % to 15.0 wt %, based upon the total weight of the propylene 1-hexene copolymer; b) a melting temperature, measured by DSC ranging from 143.0&#xb0; C. to 148.0&#xb0; C.; c) a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230&#xb0; C./2.16 kg) from 3.5 to 8.0 g/10 min.; and d) a content of 1-hexene derived units in the fraction soluble in xylene at 25&#xb0; C. ranging from 13.5 wt % to 18.5 wt %, based upon the total weight of the soluble fraction.

Propylene copolymers

A catalyst component made from or containing Ti, Mg, chlorine, an amount of a first internal donor selected from esters of aliphatic monocarboxylic acids (EAA), and an amount of a second internal donor selected from cyclic ethers (CE), wherein the EAA/CE molar ratio ranges from 0.02 to less than 20.

Catalyst components for the polymerization of olefins and catalysts therefrom obtained

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

Solid adducts comprising MgCland an alcohol ROH in which R is a C1-C20 hydrocarbon group, in which the amount of alcohol ranges from higher than 42% to 60% by weight and the porosity determined with Hg method due to pores up to 1 &#x3bc;m and expressed in cm/g, is such that the value of its ratio with the amount of alcohol in percentage falls above the straight line defined by the equation y=&#x2212;0.0158x+1.03 in which y is the porosity of the adduct and x is the alcohol percentage by weight.

Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom

Solid adducts comprising MgCl, ethanol and water characterized in that the amount of ethanol ranges from 50% to less than 57% by weight, the amount of water is ranges from 0.5 to 5% by weight, the ethanol/water weight ratio is lower than 60 and the porosity determined with Hg method due to pores with radius up to 1 &#x3bc;m and expressed in cm/g, is lower than 0.2.

Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom

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

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.

Spherical adducts comprising a MgCl, an alcohol ROH in which R is a C-Chydrocarbon group, present in a molar ratio with MgClranging from 0.5 to 6 and less than 20% mol based on the mol of MgClof a compound of formula Mg(OR)in which Ris selected from C-Calkyl groups or RCO groups in which Ris selected from C1-C6 alkyl or aryl groups.

Magnesium dichloride-alcohol adducts and catalyst components obtained there-from

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

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Ferrara, Italy

Benedetta Gaddi