Saudi Basic Industries Corporation

Sabic Global Technologies B.v.

Aurora Alexandra Batinas-Geurts

Martin Alexander Zuideveld

Gennadii Dimitrievich Bukatov

Sergei Andreevich Sergeev

Vladimir Aleksandrovich Zakharov

Jaiprakash Brijlal Sainani

Mansour Taftaf

Vimalkumar Mahendrabhai Patel

Nourdin Ghalit

Henrica Norberta Alberta Maria Steenbakkers-Menting

Nicolaas Hendrika Friederichs

Désirée Marie Louise Seegers

Tom Schoffelen

Shirish Shrikant Abhyankar

Erik Zuidema

Marc Herklots

Priya Garg

Rick Robert Emilie Bercx

Patrick Elisabeth Luc Voets

Mansour Izzat Taftaf

Khalid Abdullah Al-Bahily

Osamah Al-Humaidan

Peter Degenhart

Kathleen Ann Vandewiele

Raymond Gerlofsma

Bobby Johannes Henricus Hubertus Smeets

Dafne Lise Steinfort

Ricardo Bou Reslan Calumby

Benoit Thérèse Philippe Lecouvet

Koenraad Johannes Gerardus Van Straaten

Abhyankar Shirish Shrikant

Van Koenraad Johannes Gerardus Straaten

Nicolaas Henrika Friederichs

Mahendrabhai Patel Vimalkumar

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 invention relates to a propylene copolymer composition comprising a propylene-ethylene copolymer, wherein the propylene-ethylene copolymer has a melt flow index in the range of 0.05 to 2.5 dg/min measured according to ISO1133 (2.16 kg/230&#xb0; C.), wherein the propylene-ethylene copolymer is a unimodal propylene-ethylene copolymer and wherein a pipe prepared from the propylene copolymer composition according to ISO 1167-2 has a run time without failure of at least 2,500 h measured according to ISO1167-1 at a temperature of 95&#xb0; C. and a hoop stress calculated according to ISO3213 of 4.2 MPa.

Propylene copolymer composition

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 heterophasic propylene copolymer consisting of a propylene-based matrix and a dispersed ethylene-a-olefin copolymer, wherein the heterophasic propylene copolymer has a melt flow rate of at least 40 g/10 min as determined in accordance with ISO 1 133 (230&#xb0; C., 2.16 kg) and a FOG value of at most 350 &#x3bc;g/g as determined by VDA 278.

Process for manufacture of low emission polypropylene

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

The present invention relates to a process for preparing a catalyst component for polymerization of an olefin comprising the steps of: i) contacting a compound RMgXwherein Ris aromatic, aliphatic or cyclo-aliphatic group containing up to 20 carbon atoms, X is a halide, and z is in a range of larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to given a first intermediate reaction product; ii) contacting the first intermediate reaction product with at least one activating compound selected from the group formed by electron donors and compounds of formula M(OR)(OR), wherein M can be Ti, Zr, Hf, Al or Si, and M(OR)(R), wherein M is Si, each Rand R, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v being either 3 or 4, and w is smaller than v, to give a second intermediate reaction product; and iii) contacting the second intermediate reaction product with a halogen-containing Ti-compound, a monoester as activating agent, a 1,3-diether as an internal electron donor, and optionally a diester as an additional internal electron donor.

Process for preparing a catalyst component for polymerization of olefins

A catalyst composition including the compound of Formula I as an internal electron donor, 

Catalyst composition for polymerization of olefins

The present invention relates to a procatalyst comprising the compound represented by formula A as an internal electron donor, wherein: R, R, R, R, R, and Rare the same or different and are independently selected from a group consisting of hydrogen or a straight, branched and cyclic hydrocarbyl group, selected from alkyl, alkenyl, aryl, aralkyl or alkylaryl groups, and one or more combinations thereof, preferably having 1 to 20 carbon atoms; Ris a hydrogen or a linear, branched or cyclic hydrocarbyl group, selected from alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl or alkylaryl groups, and one or more combinations thereof, preferably having from 1 to 20 carbon atoms; and each Rgroup is independently a linear, branched or cyclic hydrocarbyl group selected from alkyl, alkenyl, aryl, aralkyl, or alkylaryl groups, and one or more combinations thereof, preferably having from 1 to 30 carbon atoms; N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization procatalyst and to a polymerization catalyst system comprising said procatalyst, a cocatalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula A as in internal electron donor in catalysts for polymerization of olefins. 

A process for the preparation of a catalyst system for olefin polymerization, including: A) providing said procatalyst obtainable via a process comprising: i) contacting a compound RMgXwith an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product, ii) optionally contacting the solid product obtained in step i) with at least one activating compound selected from an activating electron donor or metal alkoxide compound; iii) contacting the first or second intermediate reaction product, with a halogen-containing Ti-compound and optionally an internal electron donor to obtain the procatalyst; and B) contacting the procatalyst with a co-catalyst and at least diethylaminotriethoxysilane as the external donor. Further disclosed is a catalyst system obtained by the process; a process for preparing a polyolefin by contacting at least one olefin with the catalyst system; a polyolefin obtained thereby; a composition comprising a propylene-ethylene copolymer; a shaped article thereof; and use of the polyolefin.

A process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization, the procatalyst obtained or obtainable by the process; and a catalyst composition for olefin polymerization comprising the procatalyst. In particular a benzamide can be used as an activator in the preparation of a supported Ziegler-Natta type procatalyst useful for a process for the preparation of polyolefins. The Polyolefins and polypropylene homopolymers are also disclosed.

The invention relates to a process for preparing a catalyst system suitable for olefin polymerization. The present invention further relates to a catalyst system obtainable by such process. In addition, the invention relates to a polyolefin. The invention also relates to ashaped article. The catalyst system comprises a procatalyst, a co-catalyst and optionally at least one external electron donor.

The invention relates to a process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization. The invention also relates to a procatalyst obtained or obtainable by the process. The invention further relates to the use of a benzamide as an activator in the preparation of a Ziegler-Natta procatalyst. The invention also relates to a process for the preparation of polyolefins. The invention also relates to a polyolefin. The invention further relates to a shaped article.

The present invention relates to a catalyst composition comprising the compound represented by the Fischer projection of formula (I) as an internal electron donor, (I) wherein: R, R, R, R, Rand Rare the same or different and are independently selected from a group consisting of hydrogen, straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; Ris selected from a group consisting of straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; and Ris selected from a group consisting of aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms; N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization catalyst composition and to a polymerization catalyst system comprising said catalyst composition, a cocatalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula (I) as in internal electron donor in catalysts for polymerization of olefins. 

A catalyst composition comprising a monoester, the compound represented by formula (I) as an internal electron donor, and optionally an additional internal electron donor selected from a group consisting of diesters and diethers, wherein: R, R, R, R, Rand Rare hydrogen, straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, Ris a straight, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, and Ris an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also described is a process for preparing the polymerization catalyst composition, a polymerization catalyst system comprising the catalyst composition, a co-catalyst and optionally an external electron donor; and use of the catalyst system for polymerization of olefins.

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Sittard, Netherlands

Aurora Alexandra Batinas-Geurts