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1.
公开(公告)号:US20190225715A1
公开(公告)日:2019-07-25
申请号:US16340941
申请日:2017-10-11
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Abstract: The invention relates to a process for preparing a solid support for a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process for preparing said solid support comprising reacting a compound R42MgX42-z with a silane compound Si(OR5)4-n(R6)n in a solvent and mixing the resulting mixture with a mixing device and at a certain mixing speed in order to give a solid support Mg(OR1)xX12-x said solid support obtained having an average particle size of at most 17 μm, preferably at most 16 or 14 μm, more preferably at most 12 μm. The invention further relates to a solid support, a process for preparing a procatalyst and said procatalyst as well as polyolefins obtained using said procatalyst.
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公开(公告)号:US10246529B2
公开(公告)日:2019-04-02
申请号:US15541088
申请日:2016-01-20
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Sudhakar R. Padmanabhan , Khalid Abdullah Al-Bahily
Abstract: The invention relates to a procatalyst for polymerization of olefins. 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 preparing polyolefins by contacting an olefin with said catalyst system and to polyolefins obtained or obtainable by said process. The invention also relates to the use of said procatalyst in the polymerization of olefins.
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公开(公告)号:US20180362680A1
公开(公告)日:2018-12-20
申请号:US15780538
申请日:2016-11-23
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Akhlaq Moman , Abdulaziz Al-Humydi , Inaamul Haq Siddiqui , Sudhakar R. Padmanabhan , Bandar Abdullah Almohammadi , Ahmad Abdullah Alshaiban
IPC: C08F110/06
CPC classification number: C08F110/06 , C08F4/651 , C08F4/6548 , C08F2500/04 , C08F2500/15 , C08F2500/18 , C08F2500/01
Abstract: A procatalyst for polymerization of olefins, which procatalyst is based on a magnesium compound of the formula MgR′R″ wherein R′ is an alkoxide or aryloxide group and R″ is an alkoxide or aryloxide group or halogen, an activator being a monoester and an internal donor represented by a compound according to formula A: as described herein. Also described is a polymerization catalyst system comprising the procatalyst, a co-catalyst and optionally an external electron donor; a process of making a polyolefin, by contacting an olefin with the catalyst system; a polyolefin, obtained by or obtainable by the process; and a polyolefin, having a molecular weight distribution of between 4 and 15, a molecular weight (Mw) of between 300,000 to 1,500,000 g/mol, a melting temperature of more than 150° C., a value for the xylene solubles of less than 4 wt. % and a shaped article therefrom.
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4.
公开(公告)号:US11254757B2
公开(公告)日:2022-02-22
申请号:US16340941
申请日:2017-10-11
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
IPC: C08F4/02 , B01F7/22 , B01F15/00 , B01J37/04 , C08F4/654 , C08F4/656 , C08F4/659 , C08F110/06 , B01J19/00 , C08F2/34
Abstract: The invention relates to a process for preparing a solid support for a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process for preparing said solid support comprising reacting a compound R4zMgX42-z with a silane compound Si(OR5)4-n(R6)n in a solvent and mixing the resulting mixture with a mixing device and at a certain mixing speed in order to give a solid support Mg(OR1)xX12-x said solid support obtained having an average particle size of at most 17 μm, preferably at most 16 or 14 μm, more preferably at most 12 μm. The invention further relates to a solid support, a process for preparing a procatalyst and said procatalyst as well as polyolefins obtained using said procatalyst.
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公开(公告)号:US11117989B2
公开(公告)日:2021-09-14
申请号:US16337036
申请日:2017-09-14
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Akhlaq Moman , Inaamul Haq Siddiqui , Sudhakar R. Padmanabhan , Osamah Al-Humaidan , Haitham Al-Enazi
IPC: C08F110/06
Abstract: The present invention relates to a process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process comprising the steps of: Step A) providing or preparing a Grignard compound; Step B) contacting the Grignard compound with a silane compound to give a first intermediate reaction product being a solid support; Step C) activating said solid support, comprising two sub steps: Step C1) contacting the solid support obtained in step B) with at least one first activating compound and a second activating compound; and Step C2) a second activation step by contacting the activated solid support obtained in step C1) with an activating electron donor; to obtain a second intermediate reaction product; Step D) reacting the second intermediate reaction product obtained in step C) with a halogen-containing Ti-compound, optionally an activator and at least one internal electron donor in several sub steps to obtain said procatalyst. The invention moreover relates to a procatalyst, a catalytic system comprising said procatalyst and to a process to prepare polyolefins using said catalyst system and the polyolefins obtained therewith.
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公开(公告)号:US10717791B2
公开(公告)日:2020-07-21
申请号:US15780538
申请日:2016-11-23
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Akhlaq Moman , Abdulaziz Al-Humydi , Inaamul Haq Siddiqui , Sudhakar R. Padmanabhan , Bandar Abdullah Almohammadi , Ahmad Abdullah Alshaiban
IPC: C08F110/06
Abstract: A procatalyst for polymerization of olefins, which procatalyst is based on a magnesium compound of the formula MgR′R″ wherein R′ is an alkoxide or aryloxide group and R″ is an alkoxide or aryloxide group or halogen, an activator being a monoester and an internal donor represented by a compound according to formula A: as described herein. Also described is a polymerization catalyst system comprising the procatalyst, a co-catalyst and optionally an external electron donor; a process of making a polyolefin, by contacting an olefin with the catalyst system; a polyolefin, obtained by or obtainable by the process; and a polyolefin, having a molecular weight distribution of between 4 and 15, a molecular weight (Mw) of between 300,000 to 1,500,000 g/mol, a melting temperature of more than 150° C., a value for the xylene solubles of less than 4 wt. % and a shaped article therefrom.
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公开(公告)号:US20200055968A1
公开(公告)日:2020-02-20
申请号:US16336993
申请日:2017-06-19
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Akhlaq Moman , Inaamul Haq Siddiqui , Sudhakar R. Padmanabhan , Osamah Al-Humaidan , Haitham Al-Enazi
IPC: C08F4/651 , C08F4/656 , C08F210/06
Abstract: The present invention relates to a process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process comprising the steps of: Step A) providing or preparing a Grignard compound; Step B) contacting the Grignard compound an alkoxy- or aryloxy silane compound, to give a solid support; Step C) optionally contacting the solid support obtained with at least one activating compound; and Step D) reacting the (activated) support with a halogen-containing Ti-compound as catalytic species, an activator and at least one internal electron donor in several sub steps wherein the internal donor is added in portions during at least two of said stages to obtain a procatalyst. The invention moreover relates to a procatalyst, a catalytic system comprising said procatalyst and to a process to prepare polyolefins using said catalyst system and the polyolefins obtained therewith.
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公开(公告)号:US20180273661A1
公开(公告)日:2018-09-27
申请号:US15762157
申请日:2016-09-22
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Martin Alexander Zuideveld , Jaiprakash Brijlal Sainani , Osamah Al-Humaidan , Sudhakar R. Padmanabhan , Prashant Sukumar Shinge , Sharankumar G. Shetty , Abbas-Alli Ghudubhai Shaikh
IPC: C08F110/06 , C07C231/14 , C07C233/75
CPC classification number: C08F110/06 , C07C231/14 , C07C233/75 , C07C233/88 , C08F4/6565 , C08F2500/15 , C08F2500/18 , C08F4/651
Abstract: The present invention relates to a compound according to Formula (I) wherein R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein R2 is a hydrogen atom, an aryl group or an alkyl group; and wherein R3, R4, R5 and R6, 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 R1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein R2 is a hydrogen atom or an alkyl group; wherein R3, R4, R5 and R6, 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) [R1—C(═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.
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公开(公告)号:US11192962B2
公开(公告)日:2021-12-07
申请号:US16336993
申请日:2017-06-19
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Akhlaq Moman , Inaamul Haq Siddiqui , Sudhakar R. Padmanabhan , Osamah Al-Humaidan , Haitham Al-Enazi
IPC: C08F4/651 , C08F4/656 , C08F210/06 , C08F110/06
Abstract: The present invention relates to a process for the preparation of a procatalyst suitable for preparing a catalyst composition for olefin polymerization, said process comprising the steps of: Step A) providing or preparing a Grignard compound; Step B) contacting the Grignard compound an alkoxy- or aryloxy silane compound, to give a solid support; Step C) optionally contacting the solid support obtained with at least one activating compound; and Step D) reacting the (activated) support with a halogen-containing Ti-compound as catalytic species, an activator and at least one internal electron donor in several sub steps wherein the internal donor is added in portions during at least two of said stages to obtain a procatalyst. The invention moreover relates to a procatalyst, a catalytic system comprising said procatalyst and to a process to prepare polyolefins using said catalyst system and the polyolefins obtained therewith.
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公开(公告)号:US20200299421A1
公开(公告)日:2020-09-24
申请号:US15780498
申请日:2016-11-28
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor: Bandar Abdullah Almohammadi , Akhlaq Moman , Ahmad Abdullah Alshaiban , Inaamul Haq Siddiqui , Sudhakar R. Padmanabhan
IPC: C08F10/06
Abstract: A procatalyst for polymerization of olefins, based on a magnesium compound of the formula MgR′R″ wherein R′ is an alkoxide or aryloxide group and R″ is an alkoxide or aryloxide group or halogen that has been reacted with a tetravalent titanium halide, an activator being a monoester and an internal donor of formula B: as described herein. Also described is a polymerization catalyst system comprising the procatalyst, a co-catalyst and optionally an external electron donor; a process of making a polyolefin by contacting an olefin with the catalyst system; a polyolefinobtained by or obtainable by the process; and a polyolefin, preferably a polypropylene, having a molecular weight distribution of between 3 and 15, a molecular weight (Mw) of between 200,000 to 1,000,000 g/mol, a melting temperature of more than 145° C., a value for the xylene solubles of less than 4 wt. % and a shaped article therefrom.
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