公开(公告)号：US20220251256A1

公开(公告)日：2022-08-11

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

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：US20210395512A1

公开(公告)日：2021-12-23

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

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：US20210347971A1

公开(公告)日：2021-11-11

申请号：US17273711

申请日：2019-09-09

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSÜSS

IPC: C08L23/14 ,  C08F210/06 ,  C08F210/14 ,  C08F4/6592 ,  C08F2/00

Abstract: The present invention is directed to a polypropylene composition (P) comprising a first random propylene copolymer (A) and a second random propylene copolymer (B), said first random propylene copolymer (A) and said second random propylene copolymer (B) being copolymers of propylene and 1-hexene. Further, the present invention is directed to a blown film comprising said polypropylene composition (P).

公开(公告)号：US20210339509A1

公开(公告)日：2021-11-04

申请号：US17273372

申请日：2019-09-20

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSÜSS

IPC: B32B27/08 ,  B32B27/32 ,  C08L23/14 ,  C08L23/08 ,  C08F210/06

Abstract: Multilayer film of at least three layers, one core layer and at least one sealing layer wherein the sealing layer comprises a linear low density polyethylene having a density in the range of 0.915 to 0.925 g/cm3, and the core layer comprises a propylene 1-hexene copolymer, said copolymer has an 1-hexene content in the range of 2.0 to 5.0 wt.-% and a xylene soluble fraction in the range of 0.3 to 15.0 wt.-%.

公开(公告)号：US20210332227A1

公开(公告)日：2021-10-28

申请号：US17273700

申请日：2019-09-09

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSÜSS

IPC: C08L23/14 ,  C08J5/18 ,  C09K3/10

Abstract: The present invention is directed to a polypropylene composition (P) comprising a bimodal copolymer of propylene and 1-hexene prepared in the presence of a metallocene catalyst, said bimodal copolymer having a melt flow rate MFR2 in the range of 4.0 to 20.0 g/10 min. Further, the present invention is directed to a method for preparing the copolymer (C) and an article comprising said polypropylene composition (P).

公开(公告)号：US20200207963A1

公开(公告)日：2020-07-02

申请号：US16626083

申请日：2018-06-27

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Elisabeth POTTER ,  Jani AHO ,  Klaus BERNREITNER ,  Luc MONNISSEN ,  Meta CIGON

IPC: C08L23/14 ,  C08F10/06

Abstract: The invention relates to a process for producing a polypropylene composition by sequential polymerization the polypropylene composition having an improved balanced combination of high flowability, high stiffness and impact, and high level of optical properties.

公开(公告)号：US20170218172A1

公开(公告)日：2017-08-03

申请号：US15514641

申请日：2015-10-02

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Daniela MILEVA ,  Petar DOSHEV ,  Markus GAHLEITNER

IPC: C08K5/00 ,  C08J5/18 ,  C08J3/20

CPC classification number: C08K5/0083 ,  C08J3/203 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/12 ,  C08L2203/16 ,  C08L2205/24 ,  C08L23/10

Abstract: The present invention presents a new method for preparation of an α-nucleated crystalline polypropylene based on polymeric nucleating agents and very high cooling rates, further the α-nucleated crystalline polypropylene based on polymeric nucleating agents derived thereof and its use in final articles derivable thereof.

公开(公告)号：US20160272740A1

公开(公告)日：2016-09-22

申请号：US15030556

申请日：2014-11-19

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Johanna LILJA ,  Thomas HORILL ,  Markus GAHLEITNER ,  Peter DENIFL ,  Timo LEINONEN

IPC: C08F110/06

CPC classification number: C08F110/06 ,  C08F2500/12 ,  C08F2500/15 ,  C08F2/001 ,  C08F10/00 ,  C08F4/651 ,  C08F4/6546

Abstract: Propylene homopolymer with reduced emission value and high melt flow rate.

Abstract translation: 具有降低排放值和高熔体流动速率的丙烯均聚物。

公开(公告)号：US20240279451A1

公开(公告)日：2024-08-22

申请号：US18568696

申请日：2022-06-09

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Elisabeth POTTER ,  Meta CIGON

IPC: C08L23/16 ,  C08F2/00 ,  C08F210/06 ,  C08K5/3432

CPC classification number: C08L23/16 ,  C08F2/001 ,  C08F210/06 ,  C08K5/3432 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2314/02

Abstract: The invention relates to a polypropylene composition comprising: a) a bimodal random Ziegler-Natta propylene copolymer having a comonomer content of 2.0 to 4.5 wt.-%, said copolymer comprising: (i) 30 to 70 wt.-% of a first propylene copolymer having a comonomer content in the range of 0.1 to 4.5 wt.-% relative to the total weight of the first propylene copolymer, and an MFR2 of 1 to 100 g/10 min; and (ii) 70 to 30 wt.-% of a second propylene copolymer having a comonomer content in the range of 1.0 to 15 wt.-% relative to the total weight of the second propylene copolymer and an MFR2 of 1 to 100 g/10 min; with the proviso that the comonomer content of the second propylene copolymer (ii) is higher than for the first propylene copolymer (i); and b) at least one hindered amine light stabiliser.

公开(公告)号：US20240043584A1

公开(公告)日：2024-02-08

申请号：US18485443

申请日：2023-10-12

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: Disclosed is a process for producing a propylene polymer composition comprising a long chain branched propylene polymer, wherein the 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.,
the process comprising reactive modification of a propylene polymer in the presence of a peroxide. Also disclosed is an article comprising said propylene polymer composition.