Basell Poliolefine Italia S.r.l.

Basell Polyolefine Gmbh

Antonio Mazzucco

Tiziana Caputo

Enrico Balestra

Gabriele Mei

Roberto Pantaleoni

Gianni Collina

Monica Galvan

Ofelia Fusco

Riccardo Rinaldi

Benedetta Gaddi

Pietro Baita

Andreas Neumann

Massimo Covezzi

Roberta Pica

Lorella Marturano

Davide Tartari

Maurizio Dorini

Silvia Soffritti

Gerhardus Meier

Paola Massari

Marco Ciarafoni

Ulf Schueller

Giuseppe Penzo

Maria Di Diego

Nicolo Arich De Finetti

Marco Bocchino

Claudio Cavalieri

Simona Guidotti

Fabrizio Piemontesi

Diego Brita

Gisella Biondini

Mara Destro

Gilberto Moscardi

Stefano Squarzoni

Gabriella Sartori

Nicolò Arich De Finetti

Ricardo Rinaldi

A thermo-catalytic process for the depolymerizing waste plastic material and producing a pyrolytic oil, uses two agitated vessel depolymerization reactors, two condensation units, and a char handling section.

Process for the depolymerization of plastic waste material

A process for the continuous solution polymerization including the step of polymerizing a first olefin monomer of formula CH═CHR, wherein Ris hydrogen or a hydrocarbon radical having from 1 to 8 carbon atoms with a second olefin monomer of formula CH═CHR, wherein Ris a hydrocarbon radical having from 3 to 8 carbon atoms, in the presence of a polymerization catalyst and in the absence of an inert solvent, at a polymerization temperature (Tp) satisfying the following relationship:20° C.wherein Tm is the melting temperature of the obtained polymer.

Continuous solution polymerization process

A method for monitoring and controlling the polymerization in a polymerization vessel by using a camera viewing unit to (a) detect features of the polymer particles, or the particles' environment, (b) compare the features to pre-defined acceptable values of these features or the environment, and (c) if a variation from the pre-defined values is detected, act on process parameters to reduce or eliminate the variation.

Method for monitoring and controlling a polymerization process

Propylene ethylene random copolymer

Process for the preparation of heterophasic propylene copolymer compositions (RAHECO) made from or containing a random propylene copolymer (RACO) and an elastomeric propylene copolymer (BIPO), the process being carried out in a reactor having two interconnected polymerization zones, a riser and a downcomer, wherein growing polymer particles:

Process for gas-phase polymerization of olefins

A process for the polymerization of olefins in gas phase carried out in a reactor having two interconnected polymerization zones, a first zone (riser) and a second zone (downcomer), wherein growing polymer particles:

A fluid is fed into a polymer bed of a fluidized bed gas phase polymerization reactor by introducing the fluid into the polymer bed through a distributor protruding into the fluidized bed zone of the reactor and terminating with a discharge end positioned so that the following equation is fulfilled:&#x3e;0.002wherein d is the distance of the distributor's discharge end from the wall of the reactor, and D is the diameter of the reactor in the fluidized bed zone.

Method for feeding a fluid to a gas phase polymerization reactor

A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing: a) a compound of formula R&#x2014;OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; and b) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40&#xb0; C. of at least about 20 mm/sec (DIN 51562).

Olefin polymerization process in the presence of antistatic composition

A gas-phase process for the homopolymerization or copolymerization of olefins carried out in the presence of a catalyst system formed by a contacting, in a liquid hydrocarbon and in the presence of hydrogen, (a) a solid catalyst component comprising Ti, Mg, and Cl, and optionally an internal electron donor compound, (b) an aluminum alkyl compound and optionally (c) an external donor compound.

Process for the polymerization of olefins

A process for starting a multizone circulating reactor containing no polyolefin particles, comprising the steps of conveying gas through the reactor and the gas recycle line, feeding a particulate material comprising a polymerization catalyst and optionally polyolefin into the reactor, controlling the gas flow in a vertical reactor zone equipped with a throttling valve at the bottom so that the upwards gas velocity in the bottom part of this reaction zone is lower than the terminal free-fall velocity of the particulate material fed into the reactor, and, after the weight of the particulate polyolefin in this reactor zone is higher than the drag force of the upward moving gas, controlling the circulation rate of the polymer particles within the multizone circulating reactor by adjusting the opening of the throttling valve and adjusting the flow rate of a dosing gas.

Process for start-up of a multizone circulating reactor

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

A process for the gas-phase polymerization of ethylene or a mixture of ethylene and one or more 1 olefins in the presence of a polymerization catalyst system comprising the steps

Process for the gas-phase polymerization of ethylene or ethylene mixtures

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:

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Ferrara, Italy

Antonio Mazzucco