公开(公告)号：US11827777B2

公开(公告)日：2023-11-28

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

CPC classification number: C08L23/142 ,  C08F2/001 ,  C08F4/65927 ,  C08F210/06 ,  C08F210/14 ,  C08L2201/10 ,  C08L2203/162 ,  C08L2205/025

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：US20230242750A1

公开(公告)日：2023-08-03

申请号：US17923335

申请日：2021-05-26

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bemreitner ,  Pauli Leskino ,  Peter Neidersuess ,  Auli Nummila-Pakarinen

IPC: C08L23/16 ,  C09D123/16 ,  B29C48/154

CPC classification number: C08L23/16 ,  C09D123/16 ,  B29C48/154 ,  C08L2314/06 ,  B29K2023/16

Abstract: The present invention relates to a polypropylene composition comprising a propylene random copolymer having —a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 of 15 to 40 g/10 min, —a melting temperature Tm as determined by DSC according to ISO 11357 of 115 to 145° C., and —a number of 2,1 and 3,1 regio defects of from 0.01 to 1.2 mol % as measured by 13C NMR, to an article coated with said composition, to a process for coating an article with said composition and to the use of said composition for coating an article.

公开(公告)号：US20230203334A1

公开(公告)日：2023-06-29

申请号：US17923366

申请日：2021-05-26

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Pauli Leskinen ,  Peter Niedersuess ,  Auli Nummila-Pakarinen

IPC: C09D123/12 ,  B05D1/26

CPC classification number: C09D123/12 ,  B05D1/265

Abstract: The present invention relates to use of a polypropylene composition comprising a polypropylene having—a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 of 10 to 40 g/10 min, —a melting temperature Tm as determined by DSC according to ISO 11357 of 149 to 160° C., and—a molecular weight distribution MWD of 2.4 to 4.5 as determined by GPC, for extrusion coating of an article, to a process for extrusion coating of an article and to an extrusion coated article.

公开(公告)号：US20230183431A1

公开(公告)日：2023-06-15

申请号：US17925045

申请日：2021-05-17

Applicant: Borealis AG

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

IPC: C08J5/04 ,  C08F4/6592 ,  C08F10/06 ,  C08L23/12

CPC classification number: C08J5/043 ,  C08F4/65927 ,  C08F10/06 ,  C08L23/12 ,  C08J2323/12

Abstract: Fiber reinforced composite comprising a polypropylene with high melting temperature and narrow molecular weight distribution.

公开(公告)号：US20230096321A1

公开(公告)日：2023-03-30

申请号：US17791938

申请日：2021-01-15

Applicant: Borealis AG

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

IPC: C08L23/12 ,  C08L23/08

Abstract: A polypropylene composition (C) obtainable by blending: a) 50.0 to 95.0 wt.-% of a heterophasic propylene copolymer (HECO) defined by its crystalline fraction content (78.0 to 92.0 wt.-%), soluble fraction content (8.0 to 22.0 wt.-%), C2 content of said soluble fraction (15.0 to 30.0 wt.-%) and intrinsic viscosity of the soluble fraction (1.80 to 3.50 dl/g), b) 5.0 to 50.0 wt.-% of a blend (A) comprising polypropylene and polyethylene in a weight ratio of from 9:1 to 13:7, wherein blend (A) is a recycled material recovered from a waste plastic material derived from post-consumer and/or post-industrial waste; wherein the polypropylene composition (C) has a melt flow rate (MFR2) of 20.0 to 70.0 g/10 min.

公开(公告)号：US11447623B2

公开(公告)日：2022-09-20

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: C08F2/00 ,  C08F210/06 ,  C08F4/654 ,  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：US20210355307A1

公开(公告)日：2021-11-18

申请号：US17278028

申请日：2019-10-02

Applicant: BOREALIS AG

Inventor： Daniela Mileva ,  Susanne Kahlen ,  Patrick Rover ,  Georg Grestenberger ,  Jingbo Wang ,  Klaus Bernreitner ,  Markus Gahleitner

IPC: C08L23/12 ,  C08J9/04 ,  C08J9/00

Abstract: The present invention relates to a polypropylene composition, an injection molded article comprising the polypropylene composition, a foamed article comprising the polypropylene composition as well as the use of said polypropylene composition for reducing the stiffness reduction factor of a foamed injection molded article by at least 200 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article.

公开(公告)号：US20210253838A1

公开(公告)日：2021-08-19

申请号：US17269217

申请日：2019-08-23

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Friedrich Berger ,  Daniela Mileva ,  Georg Grestenberger ,  Markus Gahleitner

IPC: C08L23/12

Abstract: The present invention relates to a polypropylene based composition comprising:(A) from 40.0 to 85.0 wt % of a heterophasic propylene copolymer having a content of xylene cold soluble (XCS) fraction in the range of 15 wt % to 35 wt %, based on the total weight of the heterophasic propylene copolymer;(B) from 5.0 to 15.0 wt % of a terpolymer of propylene with ethylene and 1-butene comonomer units having a melting temperature Tm as measured in differential scanning calorimetry (DSC) of less than 140° C.; (C) from 5.0 to 25.0 wt % of an ethylene copolymer with alpha-olefin comonomer units having from 4 to 12 carbon atoms with a density of from 850 kg/m3 to 900 kg/m3; and(D) from 5.0 to 25.0 wt % of an inorganic filler, wherein the amounts of components (A), (B), (C), and (D) are all based on the total weight amount of the polypropylene based composition, said polypropylene based composition having a melt flow rate (MFR2) as measured at 230° C. and 2.16 kg load in accordance with ISO 1133 in the range of 2.0 g/10 min to 20 g/10 min, an article comprising said polypropylene based composition and the use of said terpolymer (B) for reducing the paint adhesion failure of an article comprising said polypropylene based composition.

公开(公告)号：US11084919B2

公开(公告)日：2021-08-10

申请号：US16310036

申请日：2017-06-26

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Friedrich Berger ,  Petar Doshev ,  Manfred Gruenberger ,  Martina Sandholzer ,  Markus Gahleitner

IPC: C08L23/12 ,  C08F210/16 ,  C08L23/16

Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a propylene homopolymer (H-PP) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).

公开(公告)号：US20210054181A1

公开(公告)日：2021-02-25

申请号：US17040698

申请日：2019-04-09

Applicant: BOREALIS AG

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

IPC: C08L23/14

Abstract: The present invention relates to bimodal polypropylene random copolymers comprising ethylene as comonomer and articles made thereof, having an improved resistance against γ-irradiation and are especially suitable for application in the medical, pharmaceutical or diagnostic field.