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.

公开(公告)号：US20230348705A1

公开(公告)日：2023-11-02

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

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：US20230331881A1

公开(公告)日：2023-10-19

申请号：US18001674

申请日：2021-06-14

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Georg Grestenberger ,  Ramesh Kumar Selvasankar

IPC: C08F110/06 ,  C08K3/012 ,  C08K5/52 ,  C08K5/098 ,  C08F2/34 ,  C08F2/02 ,  C08F2/00 ,  C08J3/12 ,  C08F4/6592

CPC classification number: C08F110/06 ,  C08K3/012 ,  C08K5/52 ,  C08K5/098 ,  C08F2/34 ,  C08F2/02 ,  C08F2/001 ,  C08J3/12 ,  C08F4/65927 ,  C08J2323/12

Abstract: Process for producing a polypropylene comprising the steps of polymerizing the polypropylene in the presence of a metallocene catalyst, visbreaking said polypropylene and subsequently aerating the polypropylene at elevated temperature.

公开(公告)号：US20230303812A1

公开(公告)日：2023-09-28

申请号：US18020337

申请日：2021-08-13

Applicant: Borealis AG

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

IPC: C08L23/12 ,  C08L23/16 ,  C08L23/06 ,  C08L23/08 ,  C08K3/34

CPC classification number: C08L23/12 ,  C08L23/16 ,  C08L23/06 ,  C08L23/0815 ,  C08K3/34 ,  C08L2207/02 ,  C08L2207/062 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2314/06 ,  C08L2205/22 ,  C08K2201/005

Abstract: A composition comprising (A) 40 to 80 wt.-% of a first heterophasic composition (HECO1); (B) 7 to 30 wt.-% of a second heterophasic composition (HECO2); (C) 0 to 12 wt.-% of an HDPE; (D) 2 to 12 wt.-% of a plastomer; and (E) 7 to 25 wt.-%, of talc; wherein HECO1 has a Tm of 150 to 159° C., an MFR2 of 20.0 to 120 g/10 min, a CRYSTEX crystalline fraction of 79.0 to 91.0 wt.-%, a CRYSTEX soluble fraction of 9.0 to 21.0 wt.-%, and an ethylene content of 1.5 to 6.5 mol.-%; HECO2 has an MFR2 of 2.0 to 10.0 g/10 min, a CRYSTEX crystalline fraction of 70.0 to 82.0 wt.-%, a CRYSTEX soluble fraction of 18.0 to 30.0 wt.-% and an ethylene content of 9.0 to 20.0 mol.-%; the plastomer being a C2/C8 or a C2/C4 copolymer having a density of 850 to 900 kg/m3.

公开(公告)号：US20230257568A1

公开(公告)日：2023-08-17

申请号：US18006186

申请日：2021-08-04

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Markku Vahteri ,  Markus Zach

IPC: C08L23/14 ,  C08J5/18

CPC classification number: C08L23/142 ,  C08J5/18 ,  C08L2314/06 ,  C08L2201/10 ,  C08L2203/30 ,  C08J2323/14

Abstract: Polypropylene sheet, especially suitable for thermoforming, showing an advantageous combination of optical properties and mechanical properties.

公开(公告)号：US20230227642A1

公开(公告)日：2023-07-20

申请号：US17997868

申请日：2021-05-14

Applicant: BOREALIS AG

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

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08L2205/025 ,  C08L2314/02 ,  C08L2314/06 ,  C08L2203/162 ,  C08L2205/03

Abstract: Polypropylene composition which combines low sealing initiation temperature (SIT), low xylene cold soluble (XCS) content and thus low overall migration and good optical properties, like low haze. The present invention is furthermore related to the use of the polypropylene composition and articles, especially films made therefrom.

公开(公告)号：US20230193007A1

公开(公告)日：2023-06-22

申请号：US17607627

申请日：2020-04-28

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Hermann Braun

IPC: C08L23/14

CPC classification number: C08L23/142 ,  C08L2207/02 ,  C08L2207/20 ,  C08L2205/035 ,  C08L2207/062

Abstract: It is provided a polymer composition including at least the following components A) 40 to 94 wt.-% based on the overall weight of the polymer composition of a polymer blend, including a1) 50 to 95 wt.-% of polypropylene; a2) 5 to 50 wt.-% of polyethylene; C) 3 to 30 wt.-% based on the overall weight of the polymer composition of a compatibilizer being a copolymer of propylene and 1-hexene, including b1) 30 to 70 wt.-% of a first random copolymer of propylene and 1-hexene; and b2) 30 to 70 wt.-% of a second random copolymer of propylene and 1-hexene having a higher 1-hexene content than the first random propylene copolymer b1); 3 to 30 wt.-% of a modifier selected from the group consisting of plastomers, heterophasic polypropylene copolymers different from component B) and mixtures thereof; with the provisos that the weight proportions of components a1) and a2) add up to 100 wt.-%; the weight proportions of components b1) and b2) add up to 100 wt.-%; the weight proportions of components A), B) and C) add up to 100 wt.-%; component A) has a MFR2 (230° C., 2.16 kg) determined according to ISO 1133 in the range from 1.0 to 50.0 g/10 min; and component B) has a 1-hexene content in the range from 2.0 to 8.0 wt.-%.