公开(公告)号：US20240400811A1

公开(公告)日：2024-12-05

申请号：US18698851

申请日：2022-10-11

Applicant: Borealis AG

Inventor： Daniela Mileva ,  Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Karlheinz Friedrich

IPC: C08L23/14 ,  C08K5/053 ,  C08L23/20

Abstract: The invention is directed to a heterophasic propylene copolymer composition (HPPC).

公开(公告)号：US20240392043A1

公开(公告)日：2024-11-28

申请号：US18694621

申请日：2022-09-15

Applicant: BOREALIS AG

Inventor： Pauli Leskinen ,  Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Antonina Kupareva

IPC: C08F2/01 ,  C08F2/14 ,  C08F2/34 ,  C08F4/659 ,  C08F4/6592 ,  C08F255/02

Abstract: Process for the production of a polypropylene random copolymer (PP), the process comprising the steps of polymerising in a first reactor (R1) propylene and a comonomer (C1a) selected from a C4 to C8 α-olefin in the presence of a first metallocene catalyst (MC1) yielding a first polypropylene copolymer (PP1), wherein the ratio of the feed of the comonomer (C1a) to the feed of propylene is in the range of 1 to 100 mol/kmol and the MFR2 of the first polypropylene copolymer (PP1) is in the range of 0.01 to 100 g/10 min; transferring the first polypropylene copolymer (PP1) to a second reactor (R2); polymerising in the second reactor (R2) and in the presence of said first polypropylene (PP1), propylene, a comonomer (C1b) selected from a C4 to C8 α-olefin, and a second metallocene catalyst (MC2) yielding a second polypropylene copolymer (PP2), wherein the ratio of the feed of the comonomer (C1b) to the feed of propylene is in the range of 40 to 150 mol/kmol and the MFR2 of the second polypropylene copolymer (PP2) is in the range of 0.01 to 100 g/10 min; withdrawing the polypropylene random copolymer (PP) comprising the first polypropylene copolymer (PP1) and the second polypropylene copolymer (PP2) from the second reactor (R2); wherein the first metallocene catalyst (MC1) and/or the second metallocene catalyst (MC2) is a metallocene catalyst (MC) comprising a metallocene complex, and wherein the metallocene catalyst (MC) comprises a support comprising silica.

公开(公告)号：US20240360302A1

公开(公告)日：2024-10-31

申请号：US18685735

申请日：2022-08-31

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08L2205/025 ,  C08L2314/06

Abstract: A monophasic polypropylene composition (PC), having a melt flow rate (MFR2) of 1.0 to 50.0 g/10 min, comprising: a) 55.0 to 95.0 wt.-% of a random copolymer of propylene (R-PP) having an MFR2 of 1.0 to 30.0 g/10 min, a comonomer content of 0.5 to 6.0 mol-%, and a content of 2,1-regiodefects of 0.1 to 1.4 mol-%; and b) 5.0 to 45.0 wt.-% of a propylene homopolymer composition (H-PP), comprising a reactor blend of a propylene homopolymer and a polymeric nucleating agent that is present in an amount of 20 to 300 wt-ppm, wherein the propylene homopolymer composition (H-PP) has an MFR2 of 10 to 100 g/10 min and is free from 2,1-regiodefects; wherein the combined weight of the random copolymer of propylene (R-PP) and the propylene homopolymer composition (H-PP) is at least 95 wt.-%.

公开(公告)号：US12129371B2

公开(公告)日：2024-10-29

申请号：US18568367

申请日：2022-06-13

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersüss ,  Stefan Ortner

IPC: C08L23/16 ,  C08J5/18

CPC classification number: C08L23/16 ,  C08J5/18 ,  C08J2323/16 ,  C08J2423/14 ,  C08L2203/162 ,  C08L2207/02 ,  C08L2207/10

Abstract: A heterophasic propylene ethylene copolymer composition having an MFR2 of 1.0 to 5.0 g/10 min, a C2 content of 0.8 to 6.0 mol-%, and a Tm of 153.0 to 159.0° C., comprising: a) a crystalline matrix (M) being a propylene homo- or copolymer, preferably a homopolymer; and b) an amorphous propylene-ethylene elastomer (E); wherein the heterophasic propylene ethylene copolymer composition is characterized in terms of its soluble fraction (SF) and crystalline fraction (CF) as determined by CRYSTEX QC analysis: i) from 85.0 to 90.0 wt.-% of a crystalline fraction (CF) having an iV(CF) of 2.00 to 3.00 dl/g, a C2(CF) of 0.0 to 1.5 mol-%; and ii) from 10.0 to 15.0 wt.-% of a soluble fraction (SF) having an iV(SF) of 1.30 to 2.50 dl/g and a C2(SF) of 25.0 to 40.0 mol-%.

公开(公告)号：US12043728B2

公开(公告)日：2024-07-23

申请号：US17898119

申请日：2022-08-29

Applicant: BOREALIS AG

Inventor： Pauli Leskinen ,  Johanna Lilja ,  Jingbo Wang ,  Markus Gahleitner

IPC: C08L23/14 ,  C08F10/06 ,  C08F210/06 ,  F16L9/12

CPC classification number: C08L23/142 ,  C08F10/06 ,  C08F210/06 ,  F16L9/12 ,  C08L2203/18 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/02 ,  C08F210/06 ,  C08F4/651 ,  C08F210/06 ,  C08F2/001 ,  C08F210/06 ,  C08F4/6492 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17 ,  C08L23/142 ,  C08L23/16

Abstract: A heterophasic copolymer composition obtained by a process comprising polymerising in multiple steps and multiple polymerisation reactors propylene monomer and a comonomer selected from ethylene, alpha-olefins having 4 to 10 carbon atoms and their mixtures, in the presence of an olefin polymerisation catalyst comprising a solid catalyst component and a co-catalyst, wherein the solid catalyst component comprises titanium, magnesium, halogen and an internal donor of the formula (I):




wherein R1 and R2 are the same or different being a linear or branched C1-C12-alkyl group and R is hydrogen or a linear, branched or cyclic C1 to C12-alkyl.

公开(公告)号：US12006424B2

公开(公告)日：2024-06-11

申请号：US17288668

申请日：2019-10-23

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner

IPC: C08L23/12 ,  A61L2/08 ,  C08K5/00 ,  C08K5/01 ,  C08K5/1575 ,  C08K5/526

CPC classification number: C08L23/12 ,  A61L2/081 ,  C08K5/005 ,  C08K5/0083 ,  C08K5/01 ,  C08K5/1575 ,  C08K5/526 ,  A61L2202/23 ,  C08L2201/08 ,  C08L2203/02 ,  C08L2314/06

Abstract: The present invention is directed to a polymer composition (C) comprising a first propylene homopolymer (H-PP), at least one hydrocarbon oil, at least one nucleating agent and at least one antioxidant, a moulded article formed from said polymer composition, a process for gamma-ray sterilization of said moulded article and uses of hydrocarbon oil in said polymer composition for improving resistance to gamma-ray radiation and reducing discoloration after gamma-ray sterilization in said polymer composition.

公开(公告)号：US11999840B2

公开(公告)日：2024-06-04

申请号：US18019862

申请日：2021-08-11

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Hermann Braun ,  Andreas Rössler-Czermak

IPC: C08L23/12

CPC classification number: C08L23/12 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2207/02 ,  C08L2207/20 ,  C08L2207/02 ,  C08L2207/20 ,  C08L2205/035 ,  C08F2500/34

Abstract: A composition comprising (A) 18.0 to 60.0 wt.-% of a heterophasic composition (HECO); (B) 7.0 to 55.0 wt.-% of a polypropylene-polyethylene blend (B); (C) 0.0 to 12.0 wt.-% of an HDPE; (D) 2.0 to 12.0 wt.-% of plastomer; and (E) 7.0 to 25.0 wt.-% of talc; wherein the HECO has a Tm of 150 to 159° C., an MFR2 of 20.0 to 120 g/10 min, a CRYSTEX QC crystalline fraction of 79.0 to 91.0 wt.-%, a CRYSTEX QC soluble fraction of 9.0 to 21.0 wt.-%, and an ethylene content of 1.5 to 6.5 mol.-%; blend (B) comprises at least 85.0 wt.-% of polypropylene and at most 15.0 wt.-% of polyethylene and has an MFR2 of 5.0 to 75 g/10 min and an ash content of 0.1 to 3.0 wt.-%; and the plastomer is a C2/C8 or a C2/C4 copolymer having a density of 850 to 900 kg/m3.

公开(公告)号：US20240100816A1

公开(公告)日：2024-03-28

申请号：US18284143

申请日：2022-03-30

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersuess ,  Stefan Ortner

IPC: B32B27/32 ,  B32B7/02 ,  B32B7/035 ,  B32B27/08

CPC classification number: B32B27/327 ,  B32B7/02 ,  B32B7/035 ,  B32B27/08 ,  B32B2250/02 ,  B32B2250/242 ,  B32B2323/10

Abstract: Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

公开(公告)号：US20230406971A1

公开(公告)日：2023-12-21

申请号：US18023402

申请日：2021-09-08

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersuess ,  Stefan Ortner

IPC: C08F210/06 ,  C08F210/16 ,  C08F4/659 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08F210/16 ,  C08J2323/16 ,  C08J5/18 ,  C08F4/65916

Abstract: Process for the production of a polypropylene based article having improved surface tension retention, and polypropylene based article having improved surface tension

公开(公告)号：US11834529B2

公开(公告)日：2023-12-05

申请号：US17623657

申请日：2020-06-19

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Katja Ellen Klimke ,  Friedrich Berger

IPC: C08F110/06

CPC classification number: C08F110/06 ,  C08F2810/10

Abstract: The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a melt flow rate MFR2 (230° C., 2.16 kg) of 0.8 to 6.0 g/10 min b) a xylene hot insolubles (XHU) fraction in an amount of not more than 0.80 wt %, based on the total weight amount of the propylene polymer composition, c) a melting temperature Tm of at least 160.0° C., d) a F30 melt strength of from 5.0 to less than 30.0 cN, and e) a heat distortion temperature (HDT) of at least 108° C., 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 and the use of said propylene polymer composition for producing an article.