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1. 发明申请

US20210309774A1 POLYPROPYLENE COMPOSITION COMBINING LOW SEALING INITIATION TEMPERATURE AND HIGH MELTING TEMPERATURE 有权
公开(公告)号：US20210309774A1
公开(公告)日：2021-10-07
申请号：US16469034
申请日：2017-12-19
申请人： BOREALIS AG
发明人： Luca Boragno , Luigi Resconi , Mattias Hoff , Shital Das , Kauno Alastalo , Markku Vahteri , Friedrich Berger , Davide Tranchida
IPC分类号： C08F210/06 , C08F2/34 , C08F120/02 , C08F210/08
摘要： The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.

2. 发明申请

US20230117202A1 (CO)POLYMERIZATION OF ETHYLENE 有权
公开(公告)号：US20230117202A1
公开(公告)日：2023-04-20
申请号：US17914080
申请日：2021-04-09
申请人： Borealis AG
发明人： Victor Sumerin , Markku Vahteri
IPC分类号： C08F110/02 , C08L23/08 , C08F2/00 , C08F4/651 , C08F4/654
摘要： The present application relates to a process for producing ethylene polymer in a polymerization process comprising polymerisation of ethylene, optionally with comonomers selected from C3-C20-alpha-olefins, preferably selected from C4-C10-alpha-olefins, in the presence of a Ziegler-Natta catalyst under polymerisation conditions in at least one polymerisation stage carried out in a solution, slurry or gas-phase reactor or in combinations thereof, wherein the Ziegler-Natta catalyst comprises (A) a solid Ziegler-Natta catalyst component and (B) a cocatalyst, wherein the solid Ziegler-Natta catalyst component (A) comprises a solid support of a Mg compound, a transition metal of Group 4 to 6 and an internal electron donor.

3. 发明申请

US20220177616A1 PROCESS AND REACTOR ASSEMBLY FOR THE ENHANCEMENT OF HYDRODYNAMICS IN A GAS-SOLIDS FLUIDIZED BED REACTOR 有权
公开(公告)号：US20220177616A1
公开(公告)日：2022-06-09
申请号：US17599027
申请日：2020-04-06
申请人： Borealis AG
发明人： Gunter Weickert , Vasileios Kanellopoulos , Eric-Jan Prinsen , Pablo Ivan Aguayo Arellano , Markku Vahteri , Juha Salminen , Jari-Jussi Ruskeeniemi , Ravindra Tupe , Erno Elovainio , Klaus Nyfors
IPC分类号： C08F10/06 , B01J8/38 , B01J8/44 , B01J19/24 , B01J8/18
摘要： A process for polymerizing olefin monomer(s) in a gas-solids olefin polymerization reactor comprising a top zone; a middle zone, which comprises a top end in direct contact with said top zone and which is located below said top zone, the middle zone having a generally cylindrical shape; and a bottom zone, which is in direct contact with a bottom end of the middle zone and which is located below the middle zone; comprising the following steps: introducing a fluidization gas stream into the bottom zone; polymerizing olefin monomer(s) in the presence of a polymerization catalyst in a dense phase formed by particles of a polymer of the olefin monomer(s) suspended in an upwards flowing stream of the fluidization gas in the middle zone; introducing a jet gas stream through one or more jet gas feeding ports in a jet gas feeding area of the middle zone at the dense phase in the middle zone of the gas-solids olefin polymerization reactor; wherein the kinetic energy (EJG) input in the reactor by the jet stream is between 1.5 and 50 times higher than the kinetic energy (EFG) input in the reactor by the fluidization gas stream (FG).

4. 发明申请

US20210317242A1 PROCESS FOR PRODUCING A PREPOLYMERIZED SOLID ZIEGLER-NATTA CATALYST 有权
公开(公告)号：US20210317242A1
公开(公告)日：2021-10-14
申请号：US17273260
申请日：2019-09-20
申请人： BOREALIS AG
发明人： Torvald Vestberg , Markku Vahteri , Anna Fait , Pauli Leskinen , Jingbo Wang
IPC分类号： C08F110/06 , C08L23/12
摘要： The present invention relates to a process for producing a prepolymerized solid Ziegler-Natta catalyst in batch mode, a prepolymerized solid Ziegler-Natta catalyst, a process for producing a propylene polymer using said prepolymerized solid Ziegler-Natta catalyst, a prepolymerized solid Ziegler-Natta catalyst obtained by a process as well as the use of the prepolymerized solid Ziegler-Natta catalyst in a process for producing a propylene polymer.

5. 发明申请

US20150051364A1 MULTIMODAL POLYMER 有权
标题翻译：多模聚合物
公开(公告)号：US20150051364A1
公开(公告)日：2015-02-19
申请号：US14388427
申请日：2013-03-28
申请人： BOREALIS AG
发明人： Markku Vahteri , Antti Tyns , Erik Eriksson , Magnus Palmlöf
IPC分类号： C08F210/16 , C08J5/18
CPC分类号： C08F210/16 , C08J5/18 , C08J2323/08 , C08L23/04 , C08L23/08 , C08L2203/16 , C08L2205/025 , C08L2205/03 , C08L2314/02 , C08L23/06 , C08L23/0815 , C08F2/001 , C08F2500/05 , C08F2500/07 , C08F2500/12 , C08F2500/17 , C08F2500/19 , C08F2500/26
摘要： A multimodal ethylene copolymer with a density of at least 940 kg/m3 having an MFR21 in the range of 1 to 30 g/10 min and a Fmax/λ1 ratio of less than 60 cN/s; said ethylene copolymer comprising at least three components (I) an ethylene and optionally at least one C3-20 alpha olefin comonomer component forming 30 to 60 wt % of said ethylene copolymer; (II) an ethylene and optionally at least one C3-20 alpha olefin comonomer second component forming 30 to 60 wt % of said ethylene copolymer: and (III) an ethylene and optionally at least one C3-20 alpha olefin comonomer third component forming 3 to 20 wt % of said ethylene copolymer; wherein at least one of components (II) or (III) is a copolymer.
摘要翻译：密度为至少940kg / m 3的多峰乙烯共聚物，其MFR 21为1〜30g / 10min，Fmax /λ1比小于60cN / s; 所述乙烯共聚物包含至少三种组分（I）乙烯和任选的至少一种形成所述乙烯共聚物的30-60重量％的C 3-20α-烯烃共聚单体组分; （II）乙烯和任选的至少一种C 3-20α-烯烃共聚单体第二组分，其形成30至60重量％的所述乙烯共聚物;和（III）乙烯和任选的至少一种C 3-20α-烯烃共聚单体第三组分，形成3 至20重量％的所述乙烯共聚物; 其中组分（II）或（III）中的至少一种是共聚物。

6. 发明申请

US20220204665A1 LONG CHAIN BRANCHED PROPYLENE POLYMER COMPOSITION 有权
公开(公告)号：US20220204665A1
公开(公告)日：2022-06-30
申请号：US17623300
申请日：2020-06-19
申请人： Borealis AG
发明人： Jingbo Wang , Markus Gahleitner , Pauli Leskinen , Klaus Bernreitner , Katja Ellen Klimke , Markku Vahteri
IPC分类号： C08F210/06
摘要： The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a crystallization temperature Tc of less than 115° C., b) a melting temperature Tm of less than 155° C. c) a F30 melt strength of from 5.0 to less than 30.0 cN, and d) a V30 melting extensibility of more than 190 mm/s, a process for producing said propylene polymer composition by reactive modification of a propylene polymer in the presence of a peroxide, an article comprising said propylene polymer composition, the use of said propylene polymer composition for producing an article.

7. 发明授权

US10752763B2 Heterophasic polyolefin composition having improved optical properties 有权
公开(公告)号：US10752763B2
公开(公告)日：2020-08-25
申请号：US16477571
申请日：2018-01-26
申请人： BOREALIS AG
发明人： Jingbo Wang , Markus Gahleitner , Friedrich Berger , Markku Vahteri , Joachim Fiebig
IPC分类号： C08L23/16 , C08L23/12 , C08L23/14
摘要： Heterophasic polyolefin composition with improved optical properties, its preparation, articles made therefrom, particularly films, and use of the heterophasic polyolefin composition.

8. 发明授权

US10364310B2 Process for producing polyethylene 有权
公开(公告)号：US10364310B2
公开(公告)日：2019-07-30
申请号：US15548882
申请日：2016-02-04
申请人： BOREALIS AG
发明人： Victor Sumerin , Joseph Thorman , Jani Aho , Markku Vahteri , Ravindra Tupe , Jarmo Kela
IPC分类号： C08F210/16 , C08F210/14 , C08L23/16
摘要： The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the OR2 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, halogen is Br, CI or F. The invention further relates to the catalysts and use thereof in said multistage process r for producing ethylene copolymers having melt flow rate ratio FRR21/5 at least 40 and/or polydispersity index PDI of at least 27.

9. 发明授权

US11292858B2 Polypropylene composition combining low sealing initiation temperature and high melting temperature 有权
公开(公告)号：US11292858B2
公开(公告)日：2022-04-05
申请号：US16469034
申请日：2017-12-19
申请人： BOREALIS AG
发明人： Luca Boragno , Luigi Resconi , Mattias Hoff , Shital Das , Kauno Alastalo , Markku Vahteri , Friedrich Berger , Davide Tranchida
IPC分类号： C08F210/06 , C08L23/14 , C08F2/34 , C08F120/02 , C08F210/08 , C08L23/18
摘要： The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.

10. 发明申请

US20220010046A1 POLYETHYLENE COMPOSITION FOR HIGH PRESSURE RESISTANT PIPES 有权
公开(公告)号：US20220010046A1
公开(公告)日：2022-01-13
申请号：US17288804
申请日：2019-10-23
申请人： BOREALIS AG
发明人： Yi Liu , Qizheng Dou , Victor Sumerin , Markku Vahteri , Thomas Hjertberg , Girish Suresh Gali , Alexandra Romina Albunia
IPC分类号： C08F210/16 , C08F2/00 , C08L23/08
摘要： The present invention relates to a polyethylene composition comprising a base resin having a density of from 950.0 kg/m3 to 962.0 kg/m3, determined according to ISO 1183, wherein the polyethylene composition has a melt flow rate MFR21 (190° C., 21.16 kg), of from 1.0 to 9.0 g/10 min, determined according to ISO 1133 and a viscosity at a constant shear stress of 747 Pa eta747 of from 3500 kPa #s to 20000 kPa #s, a polyethylene composition obtainable by a multi-stage process, a process for producing said polyethylene composition, an article, such as a pipe or pipe fitting, comprising said polyethylene composition and the use of said polyethylene composition for the production of an article, such as a pipe or pipe fitting.

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