Sabic Global Technologies B.v.

Saudi Basic Industries Corporation

Dsm IP Assets B.v.

Arlanxeo Netherlands B.v.

Lanxess Elastomers B.v.

Lanxess Deutschland Gmbh

Martin Alexander Zuideveld

Aurora Alexandra Batinas-Geurts

Jaiprakash Brijlal Sainani

Vladimir Aleksandrovich Zakharov

Sergei Andreevich Sergeev

Gennadii Dimitrievich Bukatov

Henricus Johannes Arts

Edwin Ijpeij

Francis Van Der Burgt

Gerardus Van Doremaele

Mansour Taftaf

Vimalkumar Mahendrabhai Patel

Felix Beijer

Victor Fidel Quiroga Norambuena

Philip Mountford

Henrica Norberta Alberta Maria Steenbakkers-Menting

Richard Thomas William Scott

Dafne Lise Steinfort

Robbert Duchateau

Miloud Bouyahyi

Lidia Jasinska-Walc

Akhlaq A Moman

Patrick Elisabeth Luc Voets

Alexandra Berthoud

Osamah Al-Humaidan

Nicolaas Hendrika Friederichs

Marc Herklots

Kiran Arunkumar Puthamane

Mansour Izzat Taftaf

Désirée Marie Louise Seegers

Sudhakar R Padmanabhan

Khalid Abdullah Al-Bahily

Peter Degenhart

Sharankumar G Shetty

Abbas-Alli Ghudubhai Shaikh

Mirko Kranenburg

Gerardus Henricus Josephus Van Doremaele

Bobby Johannes Henricus Hubertus Smeets

Nourdin Ghalit

Shirish Shrikant Abhyankar

Richard Thomas Scott

Kathleen Ann Vandewiele

Peter Windmuller

Raymond Gerlofsma

Erik Zuidema

Ricardo Bou Reslan Calumby

Prashant Sukumar Shinge

Van Gerardus Henricus Josephus Doremaele

Gerard Van Doremaele

Mudubagilu Udaya Kumar

Stefan Mecking

Gerhard Van Doremaele

Richard Scott

Alexandra LeBlanc

Koenraad Johannes Gerardus Van Straaten

Alex Heath

Richard T W Scott

Waltraud Voigtlander

Thijs Van Mulken

Mpho Prudence Setlhaku

Philip Kenyon

Anika Meppelder

Victor Quiroga Norambuena

Peter Jozef Hubert Windmuller

Edwin Gerard Ijpeij

Felix Hugo Beijer

Stuart Roger Dubberley

Sally Claire Lawrence

Bing Wang

Van Gerardus Doremaele

The present invention relates to a process for the polymerization of olefin monomers in the presence of a catalyst system, using a tubular pre-polymerization reactor, wherein the tubular pre-polymerization reactor has a length L and the flow of a catalyst system is introduced in the tubular pre-polymerization reactor in the middle (30-70% of L) or the end (70-95% of L) of the tubular pre-polymerization reactor.

Polymerization process for olefins

A process for preparing a procatalyst for polymerization of olefins, comprising contacting a magnesium-containing support with a halogen-containing titanium compound, and an internal electron donor according to Formula (I), said process comprising the steps of: i) contacting a compound RMgXwith an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product, being a solid Mg(OR)X, ii) optionally contacting the solid Mg(OR)X-x obtained in step ii) with at least one activating compound selected from the group formed by activating electron donors and metal alkoxide compounds of formula M(OR)(OR)or M(OR)(R), to obtain a second intermediate product; iii) contacting the first or second intermediate reaction product, obtained respectively in step i) or ii), with a halogen-containing Ti-compound and said compound represented Formula (I), as the internal electron donor.

Process for polymerization of polypropylene using ziegler-natta procatalyst with novel 1,3-diether internal donors

The invention relates to a polypropylene composition comprising a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.0 wt % based on the propylene-ethylene copolymer, wherein the amount of propylene homopolymer or propylene-ethylene copolymer is at least 98 wt %, for example at least 98.5 wt %, preferably at least 99 wt %, more preferably at least 99.5, for example at least 99.75 wt % based on the polypropylene composition, wherein the polypropylene composition has a melt flow rate in the range of 0.70 to 2.4 dg/min as measured according to IS01 133 (2.16 kg/230&#xb0; C.), an Mw/Mn in the range from 7.0 to 13.0, wherein Mw stands for the weight average molecular weight and Mn stands for the number average weight, an Mz/Mn is in the range from 20 to 50, wherein Mz stands for the z-average molecular weight and wherein Mw, Mn and Mz are measured according to ASTM D6474-12.

Polypropylene composition for tapes

A catalyst for olefin polymerization containing at least one metal complex comprising at least one &#x2014;SFgroup attached to a ligand bound to the metal. The invention further relates to catalyst, a process for making polyolefins and dispersions of UHMWPE.

Transition metal complex for use in or as a catalyst for olefin polymerization

The invention relates to a polypropylene composition comprising a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most (1.0) wt % based on the propylene-ethylene copolymer, wherein the amount of propylene homopolymer or propylene-ethylene copolymer is at least (98) wt %, for example at least (98.5) wt %, preferably at least (99) wt %, more preferably at least (99.5), for example at least (99.75) wt % based on the polypropylene composition, wherein the polypropylene composition has a melt flow rate in the range of (0.10) to less than (0.70) dg/min as measured according to ISO1133 (2.16 kg/230&#xb0; C.), an Mw/Mn in the range from (7.0) to (13.0), wherein Mw stands for the weight average molecular weight and Mn stands for the number average weight, an Mz/Mn is in the range from (20) to (50), wherein Mz stands for the z-average molecular weight and wherein Mw, Mn and Mz are measured according to ASTM (D6474-12).

Polypropylene composition for non-pressurized pipes

The present invention relates to a process for the polymerization of a polyolefin, preferably polypropylene, in a polymerization reactor by contacting one or more olefins, preferably propylene, with a catalyst system in said reactor while stirring, said catalyst system comprising: * a procatalyst comprising 1) a magnesium-containing support, 2) titanium, 3) a phthalate-free internal electron donor; and 4) optionally an activator; wherein said procatalyst is obtained by the following process: i) contacting a compound R, MgX&#x2014;, with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product, being a solid Mg(OR)X-x, Ris the same as Rbeing a linear, branched or cyclic hydrocarbyl group independently selected from alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl or alkylaryl groups, and one or more combinations thereof; wherein said hydrocarbyl group may be substituted or unsubstituted, may contain one or more heteroatoms and preferably has between 1 and 20 carbon atoms; wherein Xand Xare each independently a halide; z is in a range of larger than 0 and smaller than 2, being 0&#x3c;z&#x3c;2; x is in a range of larger than 0 and smaller than 2, being 0&#x3c;x&#x3c;2; ii) optionally contacting the solid Mg(OR)X-x obtained in step ii) with at least one activating compound selected from the group formed by activating electron donors and metal alkoxide compounds of formula M'(OR),(OR)or M(OR)v-(R), to obtain a second intermediate product; wherein: Mis a metal selected from the group consisting of Ti, Zr, Hf, Al or Si; v is the valency of M; Mis a metal being Si; v is the valency of M; Rand Rare each independently a hydrocarbyl group; w is smaller than v, v is preferably 3 or 4; iii) contacting the first or second intermediate reaction product, obtained respectively in step i) or ii), with the halogen-containing Ti-compound, the internal electron donor and optionally an activator; * optionally an external electron donor; and * a co-catalyst, being a alkyl aluminum co-catalyst preferably having formula AlHR-n, wherein H is a hydride; n is 0, 1 or 2, preferably 0; wherein R is a C1-C12 alkyl group, preferably ethyl; wherein a portion of the co-catalyst and optionally a portion of the external electron donor is (are) pre-contacted with the procatalyst prior to the addition of the catalyst system to the polymerization reactor. The present invention also relates to a polyolefin and a shaped article comprising said polyolefin.

Process for the polymerization of a polyolefin

The present invention relates to a process for preparing a procatalyst for polymerization of olefins, said process comprising contacting a magnesium-containing support with a halogen-containing titanium compound, an internal electron donor being a substituted 1,2-phenylene aromatic diester compound.

Process for preparing a procatalyst for polymerization of olefins

The present invention relates to a process for the continuous production of a polyolefin, preferably polypropylene, in a horizontal stirred bed polymerization reactor by contacting one or more olefins, preferably propylene, with a catalyst system while stirring, said catalyst system comprising: * a procatalyst comprising i) titanium; ii) a magnesium-containing support, preferably a magnesium chloride-containing support, and iii) an internal electron donor; * optionally an external electron donor; and * a co-catalyst, being a alkyl aluminum catalyst having formula AlXR, wherein each X is independently a halide or a hydride and wherein n is 0, 1 or 2, preferably 0, and wherein R is an C1-C12 alkyl group, preferably ethyl, wherein the molar ratio of aluminum (Al) from the co-catalyst to titanium (Ti) from the procatalyst (Al/Ti) is at least 75. The present invention also relates to polyolefin prepared using said process and a shaped article comprising said polyolefin. The present invention moreover relates to the use of a titanium to aluminum ratio during the Ziegler-Natta polymerization of olefins in a horizontal stirred bed reactor to reduce the energy (power) consumption in view of a situation wherein the titanium to aluminum ratio is lower.

Process of making polyolefins

A process for preparing a procatalyst for polymerization of olefins, comprising contacting a magnesium-containing support with a halogen-containing titanium compound, a first internal electron donor represented by Formula A, a second internal electron donor represented by Formula B, and an activator; wherein the molar ratio of the first internal donor to the second internal donor is between 0.01 and 0.7; wherein in Formula A each Rgroup is independently a substituted or unsubstituted aromatic group; and R, R, R, R, R, Rand Rare each independently selected from a hydrogen or a hydrocarbyl group; wherein in Formula B Rand Rare each independently selected from a hydrogen or a hydrocarbyl group; and Rand Rare each independently selected from hydrogen, a halide or a hydrocarbyl group.

Procatalyst for polymerization of olefins comprising an aminobenzoate internal donor and a 1,3-diether internal donor in a specific ratio

The invention relates to a composition comprising (A) a heterophasic propylene copolymer and (B) a nucleating composition, wherein (A) the heterophasic propylene copolymer consists of (a) a propylene-based matrix, wherein the propylene-based matrix consists of a propylene homopolymer and wherein the propylene-based matrix is present in an amount of 83 to 88 wt %, preferably 84 to 88 wt %, based on the total heterophasic propylene copolymer and (b) a dispersed ethylene-&#x3b1;-olefin copolymer, wherein the dispersed ethylene-&#x3b1;-olefin copolymer is present in an amount of 12 to 17 wt %, preferably of 12 to 16 wt %, based on the total heterophasic propylene copolymer and wherein the sum of the total amount of propylene-based matrix and total amount of the dispersed ethylene-&#x3b1;-olefin copolymer in the heterophasic propylene copolymer is 100 wt %, wherein the amount of ethylene in the ethylene-&#x3b1;-olefin copolymer is 40 to 60 wt % and wherein the heterophasic propylene copolymer has a melt flow index of 35 to 50 g/10 min as determined according to ISO1133 at 230&#xb0; C. and 2.16 kg and wherein (B) the nucleating composition comprises (i) a first nucleating agent, which comprises a cyclic dicarboxylate salt compound; and (ii) a second nucleating agent, which comprises talc, wherein the cyclic dicarboxylate salt compound has the formula (I):Ph(COO&#x2014;)Ca+&#x2003;&#x2003;(I).

Composition comprising heterophasic propylene copolymer

The present invention relates to a process for the preparation of a catalyst system suitable for olefin polymerization wherein the external electron donor is n-propyltriethoxysilane, and a catalyst system obtained or obtainable by said process. The invention also relates to a process for preparing a polyolefin using said catalyst system. The invention further relates to a polyolefin, in particular polyprolyene, obtainable by such a process, and shaped articles manufactured from such a polymer. The polymers produced using the catalyst system exhibit low volatiles and therefore have a reduced environmental and health impact.

Catalyst system for polymerization of an olefin

The present invention relates to a compound according to Formula (I) wherein Ris a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein Ris a hydrogen atom, an aryl group or an alkyl group; and wherein R, R, Rand R, are the same or different and are each independently a hydrogen atom, a halogen atom, a cyano group, an amino group, a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups or an alkoxy group, and one or more combinations thereof as internal electron donor and to a process for the synthesis of a compound according to Formula (I), wherein Ris a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein Ris a hydrogen atom or an alkyl group; wherein R, R, Rand R, are the same or different and are each independently selected from a group consisting of a hydrogen atom; a hydrocarbyl, preferably, said process comprising the step of reacting a compound according to Formula (II) [R&#x2014;C(&#x2550;O)Cl] with a compound according to Formula (III) to obtain the compound according to Formula (I) and to the use of these compounds as internal donor in Ziegler-Natta catalysis of olefins. 

Synthesis of substituted amidobenzoate compounds, the compounds obtained and the use thereof as phthalate free internal electron donor for polymerization of olefins

The present invention relates to a process for the preparation of branched polyolefins having end-functionalized branches via the copolymerization of an olefin monomer and an olefin comprising main group metal hydrocarbyl chain transfer agent. The invention moreover relates to branched polyolefin having end-functionalized branches obtained by said process.

Process for the preparation of a polyolefin having one or multiple end-functionalized branches

The present invention relates to a process for the preparation of a branched polyolefin via the polymerization of an olefin monomer and an olefin monomer comprising a main group metal hydrocarbyl chain transfer agent. The invention moreover relates to polyolefins obtained by said process.

Process for the preparation of a branched polyolefin

The present invention relates to a procatalyst comprising the compound represented by Formula (A), preferably the Fischer projection of formula (A) as an internal electron donor. The invention also relates to a process for preparing said procatalyst. Furthermore, the invention is directed to a catalyst system for polymerization of olefins comprising the said procatalyst, a co-catalyst and optionally an external electron donor; a process of making polyolefins by contacting at least one olefin with said catalyst system and to polyolefins obtainable by said process. The invention also relates to the use of said procatalyst in the polymerization of olefins. Moreover, the present invention relates to polymers obtained by polymerization using said procatalyst and to the shaped articles of said polymers. 

Procatalyst for polymerization of olefins

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Kelmis, Belgium

Martin Alexander Zuideveld