公开(公告)号：US20220363785A1

公开(公告)日：2022-11-17

申请号：US17764238

申请日：2020-10-01

Applicant: Borealis AG

Inventor： Georgy Kipiani ,  Marja Mustonen

IPC: C08F4/643 ,  C08F210/16

Abstract: The present invention relates to substituted 2-iso-propyl-1, 3-dialkoxypropanes, and more particularly to their use as internal donors in Ziegler-Natta catalysts to obtain ethylene (co)polymers with desirable properties. The present disclosure further concerns use of Ziegler-Natta catalyst components comprising said substituted 2-iso-propyl-1, 3-dimethoxypropanes and use of Ziegler-Natta catalysts in ethylene (co)polymerization comprising said Ziegler-Natta catalyst components.

公开(公告)号：US20220380496A1

公开(公告)日：2022-12-01

申请号：US17764235

申请日：2020-10-01

Applicant: Borealis AG

Inventor： Victor Sumerin ,  Georgy Kipiani

IPC: C08F210/16 ,  C07C43/10 ,  C07D307/12 ,  C07D307/42

Abstract: The present invention relates to optionally substituted 1,3-dimethoxypropanes and 3-methoxypropylamines, and more particularly to their use as internal donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concerns Ziegler-Natta catalyst components comprising said optionally substituted 1,3-dimethoxypropanes and 3-methoxypropylamines, and Ziegler-Natta catalysts for olefin polymerization comprising said Ziegler-Natta catalyst components, as well as a method for preparing the same and their use in providing polyolefins.

公开(公告)号：US20220363790A1

公开(公告)日：2022-11-17

申请号：US17764237

申请日：2020-10-01

Applicant: Borealis AG

Inventor： Victor Sumerin ,  Georgy Kipiani

IPC: C08F210/16

Abstract: The present invention relates to tetrahydrofurfuryl derivatives and more particularly to their use as internal electron donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concerns Ziegler-Natta catalyst components comprising said tetrahydrofurfuryl derivatives and Ziegler-Natta catalysts for olefin polymerization comprising said Ziegler-Natta catalyst components, as well as a method for preparing the same and their use in providing polyolefins.

公开(公告)号：US20140378298A1

公开(公告)日：2014-12-25

申请号：US14368600

申请日：2012-12-19

Applicant: BOREALIS AG

Inventor： Georgy Kipiani ,  Timo Leinonen ,  Peter Denifl ,  Reijo Mulari ,  Tommi Krogerus

IPC: C08F4/52 ,  C08F4/16

CPC classification number: C08F10/06 ,  C08F4/16 ,  C08F4/52 ,  C08F4/6546 ,  C08F4/6548 ,  C08F4/651 ,  C08F110/06 ,  C08F2500/12 ,  C08F210/06 ,  C08F210/12

Abstract: The invention relates to a particulate Group 2 metal/transition metal olefin polymerisation catalyst component comprising a special 1,3-diether as internal donor, to a process for preparing same and to the use of such a catalyst component for pre paring a catalyst used in the polymerisation of olefins.

Abstract translation: 本发明涉及包含作为内给体的特殊1,3-二醚的颗粒组2金属/过渡金属烯烃聚合催化剂组分，其制备方法以及使用这种催化剂组分预先使用于 烯烃的聚合。

公开(公告)号：US20220411543A1

公开(公告)日：2022-12-29

申请号：US17764233

申请日：2020-10-01

Applicant: Borealis AG

Inventor： Victor Sumerin ,  Georgy Kipiani

IPC: C08F4/649 ,  C08F210/16

Abstract: The present invention relates to use of optionally monosubstituted 2,2-di(tetrahydrofuryl)methanes, as internal donors in Ziegler-Natta catalysts to obtain polymers with desirable properties. The present disclosure further concerns Ziegler-Natta catalyst components comprising said optionally monosubstituted 2,2-di(tetrahydrofuryl)methanes and Ziegler-Natta catalysts for olefin polymerization comprising said Ziegler-Natta catalyst components as well as a method for preparing the same and their use in providing polyolefins.

公开(公告)号：US11447580B2

公开(公告)日：2022-09-20

申请号：US16771305

申请日：2018-12-27

Applicant: BOREALIS AG

Inventor： Victor Sumerin ,  Georgy Kipiani

IPC: C08F4/52 ,  C08F4/64 ,  C08F4/02 ,  C08F2/06 ,  C08F2/34 ,  C08F210/02 ,  C08F210/08 ,  C08F210/16 ,  C08F4/649 ,  C08F4/654

Abstract: This invention relates to a solid MgCb-based Natta catalyst component comprising a C2 to C6 alkyl tetrahydrofurfuryl ether as internal electron donor for producing olefin polymers and preparation of said catalyst component. Further, the invention relates to a Ziegler-Natta catalyst comprising said solid catalyst component, Group 13 metal compound as co-catalyst and optionally external additives. The invention further relates to the use of said catalyst component in producing olefin polymers, especially ethylene copolymers.