公开(公告)号：US20230060604A1

公开(公告)日：2023-03-02

申请号：US17797183

申请日：2021-03-17

Applicant: Borealis AG

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

IPC: C08F210/06 ,  C08J5/18 ,  C08F210/08 ,  C08L23/14

Abstract: Blown films, especially monolayer blown films, of high stiffness, the blown films comprising at least 95.0 wt % of a specific propylene-1-butene random copolymer.

公开(公告)号：US20210002397A1

公开(公告)日：2021-01-07

申请号：US16979379

申请日：2019-05-07

Applicant: BOREALIS AG

Inventor： Matthias Hoff ,  Luigi Resconi ,  Simon Schwarzenberger ,  Wilfried Töltsch

IPC: C08F210/06 ,  C08F210/08 ,  C08F210/14 ,  C08F210/02 ,  C08F2/00 ,  C08F2/34 ,  C08F4/659 ,  C08F4/6592

Abstract: The present invention relates to a process for producing a copolymer of propylene, optionally ethylene, and at least one comonomer selected from alpha olefins having from 4 to 12 carbon atoms using a specific class of metallocene complexes in combination with a cocatalyst system comprising a boron containing cocatalyst and an aluminoxane cocatalyst, preferably in a multistage polymerization process including a gas phase polymerization step.

公开(公告)号：US11999813B2

公开(公告)日：2024-06-04

申请号：US17292066

申请日：2019-11-14

Applicant: BOREALIS AG

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

IPC: C08F210/08 ,  C08F210/06 ,  C08F297/08 ,  C08J5/18 ,  C08L23/14 ,  C08L23/20

CPC classification number: C08F297/083 ,  C08J5/18 ,  C08F210/06 ,  C08F210/08 ,  C08F2420/00 ,  C08J2353/00 ,  C08L23/14 ,  C08L23/20 ,  C08L2205/025

Abstract: The invention provides a multimodal propylene butene random copolymer having a melt flow rate (MFR2) of 1.0 to 20.0 g/10 min and a butene content of 5.0 to 20.0 wt %, wherein said copolymer is prepared using a single site catalyst and wherein said copolymer comprises: (i) 30 to 70 wt % of a propylene butene copolymer (A) having an MFR2 of 0.5 to 20.0 g/10 min and a butene content of 2.0 to 10.0 wt %; and (ii) 70 to 30 wt % of a propylene butene copolymer (B) having an MFR2 of 0.5 to 20.0 g/10 min and a butene content of 4.0 to 20.0 wt %; wherein copolymers (A) and (B) are different.

公开(公告)号：US11981782B2

公开(公告)日：2024-05-14

申请号：US17292062

申请日：2019-11-14

Applicant: BOREALIS AG

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

IPC: C08F210/06 ,  C08F4/76 ,  C08F210/08 ,  C08F297/08 ,  C08J5/18 ,  C08L23/14 ,  C08L23/20

CPC classification number: C08J5/18 ,  C08F297/083 ,  C08F4/76 ,  C08F210/06 ,  C08F210/08 ,  C08F2420/00 ,  C08J2353/00 ,  C08L23/14 ,  C08L23/20 ,  C08L2205/025 ,  C08F210/06 ,  C08F210/08 ,  C08F2420/00 ,  C08F4/76 ,  C08F2500/05

Abstract: The invention provides a multimodal propylene butene random copolymer having a melt flow rate (MFR2) of 1.0 to 20.0 g/10 min and a butene content of 1.5 to 8.0 wt %, wherein said copolymer is prepared using a single site catalyst and wherein said copolymer comprises (i) 30 to 70 wt % of a propylene butene copolymer (A) having an MFR2 of 0.5 to 20.0 g/10 min and a butene content of 0.5 to 10.0 wt %; and (ii) 70 to 30 wt % of a propylene butene copolymer (B) having an MFR2 of 0.5 to 20.0 g/10 min and a butene content of 1.0 to 8.0 wt %; wherein copolymers (A) and (B) are different.

公开(公告)号：US11873397B2

公开(公告)日：2024-01-16

申请号：US17292063

申请日：2019-11-14

Applicant: BOREALIS AG

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

IPC: C08L53/00 ,  C08F297/08 ,  C08J5/18

CPC classification number: C08L53/00 ,  C08F297/083 ,  C08J5/18 ,  C08F2420/00 ,  C08J2353/00 ,  C08J2423/06 ,  C08L2203/16 ,  C08L2205/03 ,  C08L2314/06

Abstract: The invention provides a polyolefin composition comprising: (i) 55 to 95 wt % of a propylene butene random copolymer having an MFR2 of 1.0 to 20.0 g/10 min, a butene content of 1.5 to 8.0 wt % and prepared using a single site catalyst; and (ii) to 45 wt % of an ethylene based plastomer having a density of 860 to 905 kg/m3, an MFR2 of 0.3 to 30 g/10 min and prepared using a single site catalyst.

公开(公告)号：US20210017368A1

公开(公告)日：2021-01-21

申请号：US16982915

申请日：2019-04-09

Applicant: BOREALIS AG

Inventor： Markus Gahleitner ,  Jingbo Wang ,  Klaus Bernreitner ,  Daniela Mileva ,  Matthias Hoff ,  Pauli Leskinen

IPC: C08L23/14 ,  C08L23/08 ,  C08F2/00 ,  C08F2/02 ,  C08F2/34 ,  C08F110/06

Abstract: The application provides a bimodal polypropylene random copolymer with good response to nucleating agents, increased crystallization temperature, good mechanical and optical properties, as well as low amounts of extractables and good processability in the sense of high Melt Flow Rate. The present invention further relates to articles made thereof, and the use of the bimodal polypropylene random copolymer for specific applications. It also relates to a process for the preparation of said bimodal polypropylene random copolymer.

公开(公告)号：US20190309150A1

公开(公告)日：2019-10-10

申请号：US16464933

申请日：2017-12-19

Applicant: Borealis AG

Inventor： Luca Boragno ,  Pauli Leskinen ,  Luigi Resconi ,  Matthias Hoff ,  Friedrich Berger

IPC: C08L23/14 ,  C08F210/06 ,  C08J5/18 ,  C08F2/00 ,  C08F2/34 ,  C08F210/16

Abstract: 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.

公开(公告)号：US20220348750A1

公开(公告)日：2022-11-03

申请号：US17728423

申请日：2022-04-25

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Matthias Hoff ,  Wilfried Töltsch

IPC: C08L23/12 ,  C08L23/16 ,  C08F2/00 ,  C08F10/06

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

公开(公告)号：US10995205B2

公开(公告)日：2021-05-04

申请号：US16982915

申请日：2019-04-09

Applicant: BOREALIS AG

Inventor： Markus Gahleitner ,  Jingbo Wang ,  Klaus Bernreitner ,  Daniela Mileva ,  Matthias Hoff ,  Pauli Leskinen

IPC: C08L23/08 ,  C08L23/14 ,  C08F2/00 ,  C08F2/02 ,  C08F2/34 ,  C08F110/06

Abstract: The application provides a bimodal polypropylene random copolymer with good response to nucleating agents, increased crystallization temperature, good mechanical and optical properties, as well as low amounts of extractables and good processability in the sense of high Melt Flow Rate. The present invention further relates to articles made thereof, and the use of the bimodal polypropylene random copolymer for specific applications. It also relates to a process for the preparation of said bimodal polypropylene random copolymer.