公开(公告)号：US12012504B2

公开(公告)日：2024-06-18

申请号：US17056855

申请日：2019-05-30

申请人： BOREALIS AG

发明人： Anh Tuan Tran ,  Alexandra Romina Albunia ,  Joy Jie Cheng ,  Joseph Thorman ,  John Jamieson ,  Ravindra Tupe

IPC分类号： C08F210/16 ,  B29C43/00 ,  B29C45/00 ,  C08F2/00 ,  C08F2/34 ,  C08F210/02 ,  C08F210/08 ,  C08L23/06 ,  C08L23/16 ,  B29L31/56

CPC分类号： C08L23/06 ,  B29C43/003 ,  B29C45/0001 ,  C08F2/001 ,  C08F2/34 ,  C08F210/02 ,  C08F210/08 ,  C08F210/16 ,  B29L2031/56 ,  C08F2500/12 ,  C08F2500/17 ,  C08L2203/10 ,  C08L2203/30 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/062 ,  C08L2314/02

摘要： The invention provides a process for the preparation of a multimodal high density polyethylene (HDPE) having a melt flow rate (MFR2) of 0.1 to 4.0 g/10 min, said process comprising: (i) polymerising ethylene in a first polymerisation stage in the presence of a Ziegler-Natta catalyst to prepare a first ethylene homopolymer having a MFR2 from 10 to 500 g/10 min; (ii) polymerising ethylene in a second polymerisation stage in the presence of said catalyst and said first ethylene homopolymer to prepare an ethylene homopolymer mixture comprising said first ethylene homopolymer and a second ethylene homopolymer, said mixture having a MFR2 from 50 to 1000 g/10 min; and (iii) polymerising ethylene and at least one alpha-olefin comonomer in a third polymerisation stage in the presence of said catalyst and said ethylene homopolymer mixture to prepare said multimodal HDPE.

公开(公告)号：US20200009839A1

公开(公告)日：2020-01-09

申请号：US16489798

申请日：2018-01-18

申请人： Borealis AG

发明人： Anh Tuan Tran ,  Jeroen Oderkerk ,  Francis Costa ,  Leonardus Welzen ,  Udo Wahner ,  Denis Yalalov ,  Qizheng Dou

IPC分类号： B32B17/10 ,  B32B27/30 ,  B32B27/08 ,  C08L23/08

摘要： The present invention relates to a multilayer element (LE), the use of the multilayer element (LE) for producing an article, an article comprising multilayer element (LE), a layer element of at least two layers, the use of the polymer composition of the invention to produce a multilayer element, as well as to a process for producing the multilayer element (LE) and an article thereof.

公开(公告)号：US11192349B2

公开(公告)日：2021-12-07

申请号：US16082201

申请日：2017-03-02

申请人： BOREALIS AG

发明人： Jeroen Oderkerk ,  Bert Broeders ,  Bernt-Ake Sultan ,  Girish Suresh Galgali ,  Stefan Hellstrom ,  Mattias Bergqvist ,  Bart Verheule ,  Kristina Akyuz-Karlsson ,  Urban Andreasson ,  Francis Costa ,  Anh Tuan Tran

IPC分类号： B32B27/32 ,  B32B17/10 ,  B32B27/28 ,  B32B27/30 ,  C08F30/08 ,  C08L23/08

摘要： The invention is a polymer composition for film layer comprising less than 50 wt % of a copolymer of ethylene with silane group(s) containing units and at least 50 wt % of a thermoplastic polyolefine free from silane group(s) wherein the polymer composition has creep of less than 1 mm at 90° C., and an adhesion above 20 N/cm. The invention relates to a laminated article with at least one film layer of the polymer composition and a substrate.

公开(公告)号：US11180586B2

公开(公告)日：2021-11-23

申请号：US16348066

申请日：2017-11-16

申请人： Borealis AG

发明人： Jari Äärilä ,  Auli Nummila-Pakarinen ,  Jarmo Kela ,  Anh Tuan Tran

IPC分类号： C08F110/02 ,  C08F2/01 ,  C08F2/34 ,  C08F210/16 ,  C08J5/18 ,  C08L23/06 ,  C08L23/08 ,  C08F2/00 ,  B29C49/00 ,  B01J19/18 ,  B29C48/00 ,  B29K23/00 ,  B29L7/00

摘要： The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 10 to 1000 g/10 min; (iii) copolymerising ethylene and an alpha-olefin comonomer in a third polymerisation step in the presence of the first ethylene polymer mixture (PEM1) to produce a second ethylene polymer mixture (PEM2) comprising the first ethylene polymer mixture (PEM1) and a third ethylene copolymer (PE3), said second ethylene polymer mixture (PEM2) having a density of from 915 to 940 kg/m3 and a melt flow rate MFR5 of from 0.3 to 5 g/10 min, and wherein the second ethylene polymer mixture comprises from 10 to 35% by weight of the first ethylene homo- or copolymer, from 10 to 35% by weight of the second ethylene homo- or copolymer and from 45 to 70% by weight of the third ethylene copolymer.

公开(公告)号：US10982025B2

公开(公告)日：2021-04-20

申请号：US16348204

申请日：2017-11-16

申请人： Borealis AG

发明人： Jari Äärilä ,  Auli Nummila-Pakarinen ,  Jarmo Kela ,  Anh Tuan Tran

IPC分类号： C08F110/02 ,  C08F2/01 ,  C08F2/34 ,  C08F210/16 ,  C08J5/18 ,  C08L23/06 ,  C08L23/08 ,  C08F2/00 ,  B29C48/00 ,  B01J19/18 ,  B29K23/00 ,  B29L7/00

摘要： Disclosed is a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding. The process comprises (i) copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step to produce a first ethylene copolymer (PE1); (ii) copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene copolymer to produce a first ethylene polymer mixture (PEM1), wherein the MFR2 of PE1 is higher than the MFR2 of PEM1; and (iii) copolymerising ethylene and an alpha-olefin comonomer in a third polymerisation step in the presence of the PEM1 to produce a second ethylene polymer mixture (PEM2) having a density of from 915 to 925 kg/m3 and a melt flow rate MFR5 of from 0.3 to 5 g/10 min.

公开(公告)号：US20190300630A1

公开(公告)日：2019-10-03

申请号：US16348066

申请日：2017-11-16

申请人： Borealis AG

发明人： Jari Äärilä ,  Auli Nummila-Pakarinen ,  Jarmo Kela ,  Anh Tuan Tran

IPC分类号： C08F110/02 ,  C08F210/16 ,  C08F2/01 ,  C08J5/18 ,  C08F2/34 ,  C08L23/08 ,  C08L23/06

摘要： The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 10 to 1000 g/10 min; (iii) copolymerising ethylene and an alpha-olefin comonomer in a third polymerisation step in the presence of the first ethylene polymer mixture (PEM1) to produce a second ethylene polymer mixture (PEM2) comprising the first ethylene polymer mixture (PEM1) and a third ethylene copolymer (PE3), said second ethylene polymer mixture (PEM2) having a density of from 915 to 940 kg/m3 and a melt flow rate MFR5 of from 0.3 to 5 g/10 min, and wherein the second ethylene polymer mixture comprises from 10 to 35% by weight of the first ethylene homo- or copolymer, from 10 to 35% by weight of the second ethylene homo- or copolymer and from 45 to 70% by weight of the third ethylene copolymer.

公开(公告)号：US10392460B2

公开(公告)日：2019-08-27

申请号：US15510624

申请日：2015-09-11

申请人： BOREALIS AG

发明人： Ricardo Godoy-Lopez ,  Floran Prades ,  Anh Tuan Tran

IPC分类号： C08F255/02

摘要： The present invention provides a process of producing a modified polymer composition, which composition comprises a free-radical polymeriseable monomer grafted to a polyolefin backbone. The process comprises contacting, in an extruder, an olefin polymer and the free-radical polymeriseable monomer in the presence of a stable radical in an extruder and extruding the composition.

公开(公告)号：US20240043649A1

公开(公告)日：2024-02-08

申请号：US18264184

申请日：2022-02-17

申请人： BOREALIS AG

发明人： Anh Tuan Tran ,  Hermann Braun

IPC分类号： C08J11/06 ,  C08L23/14 ,  C08L23/08

CPC分类号： C08J11/06 ,  C08L23/14 ,  C08L23/08 ,  C08J2323/12 ,  C08J2423/08 ,  C08J2323/08 ,  C08J2423/12 ,  C08L2205/025 ,  C08L2205/03

摘要： Polyolefin (PO) compositions derived from post-consumer recyclate (PCR) PO based materials having well balanced properties with regards to electric conductivity, impact performance, stiffness, and workability.

公开(公告)号：US11760067B2

公开(公告)日：2023-09-19

申请号：US16489798

申请日：2018-01-18

申请人： Borealis AG

发明人： Anh Tuan Tran ,  Jeroen Oderkerk ,  Francis Costa ,  Leonardus Welzen ,  Udo Wahner ,  Denis Yalalov ,  Qizheng Dou

IPC分类号： B32B17/10 ,  B32B27/08 ,  B32B27/30 ,  C08L23/08

CPC分类号： B32B17/10743 ,  B32B17/10036 ,  B32B27/08 ,  B32B27/308 ,  C08L23/08 ,  C08L2312/08

摘要： The present invention relates to a multilayer element (LE), the use of the multilayer element (LE) for producing an article, an article comprising multilayer element (LE), a layer element of at least two layers, the use of the polymer composition of the invention to produce a multilayer element, as well as to a process for producing the multilayer element (LE) and an article thereof.

公开(公告)号：US11186706B2

公开(公告)日：2021-11-30

申请号：US16097319

申请日：2017-04-28

申请人： Borealis AG

发明人： Anh Tuan Tran ,  Paulo Cavacas ,  Audrey Gensous

IPC分类号： C08F210/16 ,  C08L23/08 ,  B29C48/00 ,  B29C48/10 ,  B29C55/00 ,  B29C55/28 ,  C08J5/18 ,  A01F15/07 ,  B29K23/00 ,  B29L23/00

摘要： A machine direction oriented film comprising a multimodal copolymer of ethylene and at least two alpha-olefin-comonomers having: a) a density of from 906 to 925 kg/m3 determined according to ISO 1183, b) an MFR21 of 10-200 g/10 min determined according to ISO1133, wherein the multimodal copolymer of ethylene comprises c) a first copolymer of ethylene and a first alpha-olefin comonomer having 4 to 10 carbon atoms; and d) a second copolymer of ethylene having an alpha-olefin comonomer different from the first copolymer, said second alpha-olefin comonomer having 6 to 10 carbon atoms.