Borealis Ag

Basell Polyolefine Gmbh

Montell Technology Company Bv

Basell Technology Company B.v.

Basell Poliolefine Italia S.r.l.

Himont Incorporated

Montedison S.p.a.

Basell Poliolefine Italia, S.p.a.

Ausimont S.r.l.

Hilmont Incorporated

Hinmont Incorporated

Basell Polyolifine Gmbh

Basell Poyloefine Gmbh

Basel Technology Company Bv

Luigi Resconi

Enrico Albizzati

Alexander Z Voskoboynikov

Vyatcheslav V Izmer

Dmitry S Kononovich

Simona Guidotti

Fabrizio Piemontesi

Pascal Castro

Maurizio Stefano Galimberti

Tiziano Dall'Occo

Ville Virkkunen

Davide Balboni

Noureddine Ajellal

Anna Fait

Kristin Reichelt

Ilya Nifant'ev

Pavel V Ivchenko

Wilfried Peter Töltsch

Lin-Chen Yu

Jingbo Wang

Robert L Jones, Jr

Anteo Pelliconi

Vu Anh Dang

Norbert Hafner

Lauri Huhtanen

Pavel Sergeevich Kulyabin

Friederike Morhard

Wilfried Peter Toltsch

Francesca Focante

Markus Gahleitner

Giampaolo Pellegatti

Romano Mazzocchi

Maria Silvia Tonti

Gilberto Moscardi

Umberto Giannini

Friedrich Berger

Giovanni Baruzzi

Luca Boragno

Daniele Bigiavi

Eleonora Ciaccia

Rafael Sablong

Rosanna Silvestri

Timo Sciarone

Kauno Alastalo

Petar Emilov Doshev

Dmitry Vadimovich Uborsky

Giulio Balbontin

Colin John Schaverien

Enea Garagnani

Gianni Pennini

Oleg Vladimirovich Samsonov

Vladimir V Bagrov

Krishna Raman

Floriano Guglielmi

Simon Schwarzenberger

Ismo Lehtiniemi

Ilya E Nifant'ev

Clyde E Bishop

Rita Martelli

Nicoletta Mascellani

Pauli Leskinen

Klaus Nyfors

Johanna Lilja

Joachim Fiebig

Markku Vahteri

Yoshikuni Okumura

Stefano Spataro

Cornelia Fritze

Vittorio Braga

Cornelia Anita Tranninger

Jörg Ludwig Schulte

Nina Ackermans

Igor Kashulin

Davide Tranchida

Gaetano Guerra

Angelo Ferraro

Pavel Shutov

Karlheinz Friedrich

Irfan Saeed

Giovanni Giunchi

Matthias Hoff

Ilya P Laishevtsev

Gerhard Hubner

Juha Paavilainen

Isabella Camurati

Alexander Koeppl

Shital Das

Leone Oliva

Sameli Hakola

Iolanda Santoriello

Antonio Cascio Ingurgio

Mattias Hoff

Ilya V Tajdakov

Maria Ranieri

David Quin

Cristiano Grandini

Lorella Izzo

Roberta Pellecchia

Lucia Caporaso

Claimed are metallocene-complexes of formula (I) [formula (I')] wherein M is Hf or Zr, L is a bridge comprising 1-2 C- or Si-atoms, The other variables are as defined in the claims.

Catalysts

A complex of formula (I): (I') M is Hf; each X is a sigma ligand; L is a bridge of formula -(ER)&#x2014;; y is 1 or 2; E is C or Si; each Ris independently a C-C-hydrocarbyl, tri(C-C-alkyl)silyl, C-C-aryl, C-C-arylalkyl or C-C-alkylaryl or L is an alkylene group such as methylene or ethylene; Ar and Ar&#x2032; are each independently an aryl or heteroaryl group optionally substituted by 1 to 3 groups Ror Rrespectively; Rand Rare each independently the same or can be different and are a linear or branched C-C-alkyl group, Carylalkyl, Calkylaryl group or Caryl group with the proviso that if there are four or more Rand Rgroups present in total, one or more of Rand Ris other than tert butyl; Rand Rare the same or are different and are a CH&#x2014;Rgroup, with Rbeing H or linear or branched C-C-alkyl group, Ccycloalkyl group, Caryl group; each R is a &#x2014;CH&#x2014;, &#x2014;CHRx- or C(Rx)- group wherein Rx is Calkyl and where m is 2-6; Ris a linear or branched C-C-alkyl group, Carylalkyl, Calkylaryl group or C-C-aryl group; Ris a C(R)group, with Rbeing a linear or branched C-Calkyl group; and Rand Rare the same or are different and are H or a linear or branched C-C-alkyl group. Invention relates also to a catalyst in solid form comprising (i) a complex of formula (I) and (ii) a cocatalyst of an aluminium compound and (iii) a cocatalyst of a boron compound. 

Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I) 

Catalyst system for producing polyethylene copolymers in a high temperature solution polymerization process

Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R, R, Rare the same or different from each other and can be hydrogen or a saturated linear or branched C-Calkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or Rand Ror Rand Rcan form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, Rand Rare the same or different from each other and can be saturated linear or branched C-Calkyl, C-Caryl, C-Calkylaryl or C-Carylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C-C-aryl or -heteroaryl group, which can be unsubstituted or substituted by 1 to 5 linear or branched C-Calkyl group(s), and (ii) an aluminoxane cocatalyst and (iii) optionally an aluminium alkyl compound AI(R), with Rbeing a linear or branched C-C-alkyl group. 

Aluminoxane-activated metallocene catalysts

New bisindenyl ligand complexes and catalysts comprising those complexes. The invention is directed to improving the manufacturing of specific C1-symmetric bisindenyl complexes by modifying one of the indenyl ligands in order to improve the selectivity of the complex synthesis towards the desired anti-isomer, increase the yield and simplify the purification of the complex. The invention also relates to the use of the new bisindenyl metallocene catalysts for the production of polypropylene homopolymers or propylene copolymers.

Catalysts for olefin polymerization

Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I), M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf, X is a sigma ligand, R are the same or different from each other and can be saturated linear or branched C-Calkyl, C-Caryl, C-Calkylaryl or C-Carylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms, Ris a C-C-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C-Calkyl group(s), Ris a saturated linear or cyclic C-Calkyl group or a branched CRRRgroup, wherein Ris hydrogen or an C-Calkyl group and Rand Rare the same or are different and can be an C-Calkyl group and (ii) a boron containing cocatalyst. 

A heterophasic propylene ethylene copolymer having an MFRof 0.5 to 100 g/10 min and obtained using single site catalysis comprising: (i) at least 40 wt % of a propylene homopolymer or propylene ethylene copolymer matrix having up to 4 wt % comonomer; (ii) at least 10 wt % of an ethylene propylene rubber dispersed in the matrix, said heterophasic propylene ethylene copolymer having a xylene cold soluble content (XS) of 12 to 60%; wherein the ethylene content of the xylene cold soluble fraction of said heterophasic propylene ethylene copolymer is between 18 and 70 wt. %; and wherein the intrinsic viscosity of the XS fraction of said heterophasic propylene ethylene copolymer is greater than the intrinsic viscosity of the matrix fraction of said copolymer.

Heterophasic copolymer

The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.

Polypropylene composition combining low sealing initiation temperature and high melting temperature

Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising:  

A propylene copolymer composition comprising A) a propylene butylene copolymer which is&#x2014;free of phthalicacid esters as well as decomposition products thereof; &#x2014;obtained by a Ziegler-Natta catalyst and B) at least one &#x3b1;-nucleating agent, the propylene copolymer composition having&#x2014;a MFR (2.16 kg/210&#xb0; C.) in the range of 2 to 100 g/10 min&#x2014;a melting point Tm(1) of less than 140&#xb0; C.&#x2014;a melting point Tm(2) of at least 150&#xb0; C., said Tm(2) being associated with more than 75% of the total melting enthalpy and whereby the propylene copolymer&#x2014;has monomer units derived from a) propylene in an amount of 90.0-98.0 mol.-% b) butylene in an amount of 2.0-10.0 mol.-% with respect to the total weight of the propylene butylene copolymer&#x2014;an isotacticity mm % as determined byC NMR spectroscopy of below 99.0%; and&#x2014;a Koenig-B parameter with respect to butylene as determined byC NMR spectroscopy of more than 0.98.

Nucleated C3C4 copolymers

Catalyst system, the catalyst system comprising (i) at least one metallocene complex of formula (I), (I) wherein Mt1 is Hf, X is a sigma-donor ligand, R, R, Rare the same or different from each other and can be hydrogen or a saturated linear or branched C-Calkyl, whereby the alkyl group can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, or Rand Ror Rand Rcan form a ring having 4 to 6 C-atoms and 1 to 3 double bonds, Rand Rare the same or different from each other and can be saturated linear or branched C-Calkyl, C-Caryl, C-Calkylaryl or C-Carylalkyl groups, which can optionally contain up to 2 heteroatoms belonging to groups 14-16 of the periodic table, n can be 1 to 5, Ar is a C-C-aryl or -heteroarylgroup, which can be unsubstituted or substituted by 1 to 5 linear or branched C-Calkyl group(s), and (ii) a boron containing cocatalyst. 

Borate-activated metallocene catalysts

Process for producing a heterophasic propylene copolymer using a specific class of metallocene complexes in a multistage polymerization process including a gas phase polymerization step. The invention further relates to the use of catalysts which comprise a specific class of metallocene complexes to produce a heterophasic propylene copolymer in a multistep process including a gas phase polymerization step.

Process for preparing heterophasic propylene copolymers

The present invention relates to an olefin polymerization process, wherein propylene and a C4 to C10 a-olefin, preferably 1-butene and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst so as to obtain a polypropylene, wherein the polypropylene comprises C4 to C10 a-olefin, preferably 1-butene-derived comonomer units in an amount of from 0.5 wt % to 15 wt % and ethylene-derived comonomer units in an amount of 0 wt % to 3 wt %, and wherein the Ziegler-Natta catalyst comprises i) an external donor of the formula (I): (R)(RO)Si(R)x and ii) a solid Ziegler-Natta catalyst component being free of external carrier material.

Process for preparing propylene polymer compositions

The present invention relates to an olefin polymerization process for producing propylene copolymer composition (P), wherein propylene, Cto C&#x3b1;-olefin and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst in a multistage polymerization process comprising at least two polymerization reactors, wherein the copolymer composition is bimodal with respect to the content of Cto C&#x3b1;-olefin and, if present, to ethylene. Further, the invention is directed to the propylene copolymer composition being bimodal with respect to the content of Cto C&#x3b1;-olefin and optionally to ethylene, and use of said propylene copolymer compositions for producing articles.

Process for preparing propylene copolymer compositions

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Ferrara, Italy

Luigi Resconi