Saudi Basic Industries Corporation

Sabic Global Technologies B.v.

Vladimir Aleksandrovich Zakharov

Sergei Andreevich Sergeev

Gennadii Dimitrievich Bukatov

Martin Alexander Zuideveld

Aurora Alexandra Batinas-Geurts

Jaiprakash Brijlal Sainani

Mansour Taftaf

Vimalkumar Mahendrabhai Patel

Nourdin Ghalit

Mansour Izzat Taftaf

Mark Vlaar

Yves Johann Elizabeth Ramjoie

Nicolaas Hendrika Friederichs

Khalid Abdullah Al-Bahily

Atieh Aburaqabah

Osamah Al-Humaidan

Shirish Shrikant Abhyankar

Dafne Lise Steinfort

Mahendrabhai Patel Vimalkumar

Abhyankar Shirish Shrikant

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 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. 

Procatalyst for polymerization of olefins

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.

Catalyst system for polymerization of an olefin

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.

The present invention relates to a catalyst component for polymerization of an olefin comprising a compound represented by the Fischer projection of: wherein Ris substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms; Rand Rare different and independently selected from the group consisting of hydrogen, halogen and substituted or unsubstituted hydrocarbyl having 1 to 20 carbon atoms; R-Roptionally containing one or more hetero-atoms replacing one or more carbon atoms, one or more hydrogen atom or both, wherein said hetero-atom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen; and wherein the compound of Formula (I) is the only internal electron donor in the catalyst component. The present invention also relates to a process for preparing a polymerization catalyst component comprising the steps of i) contacting a compound RMgXwherein Ris aromatic, aliphatic or cyclo-aliphatic group containing 1 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 give a first intermediate reaction product; ii) contacting the first intermediate reaction product with at least one activating compound selected from the group formed by internal electron donors and compounds of formula M(OR)(R), wherein M can be Ti, Zr, Hf, Al or Si, each Rand R, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M and w is smaller than v and iii) contacting the second intermediate reaction product with a halogen-containing Ti-compound and an internal electron donor represented by the Fischer projection of formula (I); and optionally with at least one compound selected from a group comprising a monoester, a diester and a 1,3-diether. 

Catalyst component for the polymerization of olefins

A process for preparing a catalyst component, including:

The invention relates to a process for preparing a polymerization catalyst component wherein a solid compound with formula Mg(OR)Clwherein x is larger than 0 and smaller than 2, and each R, independently, represents an alkyl group, said compound being obtained by reacting a Grignard compound with an alkoxy- or aryloxy-containing silane compound, is contacted with at least one activating compound selected from the group formed by internal electron donors and compounds of formula M(OR)(R), wherein M can be Ti, Zr, Hf, Al or Si, each Rand R, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M and w is smaller than v, in the presence of an inert dispersant to give an intermediate reaction product, and wherein the intermediate reaction product is contacted with a halogen-containing Ti-compound. A catalyst system comprising said component shows improved performance in olefin polymerization. The invention also relates to a polymerization catalyst system comprising the catalyst component and to a process of making a polyolefin by contacting at least one olefin with a polymerization catalyst system comprising the catalyst component.

Process for preparing a catalyst component for propylene polymerization

The invention is directed to a process for the preparation of a catalyst component wherein a compound with formula Mg(OAlk)Clwherein x is larger than 0 and smaller than 2, y equals 2&#x2212;x and each Alk, independently represents an alkyl group, is contacted with a titanium tetraalkoxide and/or an alcohol in the presence of an inert dispersant to give an intermediate reaction product and wherein the intermediate reaction product is contacted with titanium tetrachloride in the presence of an internal donor. The invention also relates to a polymerization catalyst comprising the catalyst component and furthermore the invention relates to the polymerization of an olefin in the presence of the polymerization catalyst comprising the catalyst component.

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Geleen, Netherlands

Vladimir Aleksandrovich Zakharov