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：US20240002555A1

公开(公告)日：2024-01-04

申请号：US18253143

申请日：2021-11-23

Applicant: BOREALIS AG

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

IPC: C08F10/06 ,  C08L23/14

CPC classification number: C08F10/06 ,  C08L23/142 ,  C08L2205/025 ,  C08L2205/24 ,  C08L2308/00 ,  C08L2314/02 ,  C08L2314/06 ,  C08L2205/035

Abstract: A process for the preparation of isotactic propylene polymer compositions involving the polymerisation of propylene and optionally one or more comonomers selected from ethylene and α-olefins containing 4 to 12 carbon atoms in one or more reaction steps in the present of a catalyst system comprising 45 to 99 wt.-% of a metallocene catalyst and 1 to 55 wt.-% of a Ziegler Natta catalyst having a non-phthalate internal donor and having been prepolymerised with a monomer (I) of the general formula CH2═CH—CHR1R2 (I) wherein R1 and R2 are either individual alkyl groups with one or more carbon atoms or form an optionally substituted saturated, unsaturated or aromatic ring or a fused ring system containing 4 to 20 carbon atoms.

公开(公告)号：US11859030B2

公开(公告)日：2024-01-02

申请号：US17273246

申请日：2019-09-24

Applicant: BOREALIS AG

Inventor： Pauli Leskinen ,  Jingbo Wang ,  Markus Gahleitner

IPC: C08F210/16 ,  C08F210/06 ,  C08F4/64 ,  C08L23/12 ,  C08L23/16 ,  C08F4/659

CPC classification number: C08F210/06 ,  C08F210/16 ,  C08F4/64 ,  C08F4/659 ,  C08L23/12 ,  C08L23/16 ,  C08L2207/02

Abstract: The present invention relates to a process for producing a heterophasic propylene copolymer (RAHECO) having a xylene cold soluble fraction (XCS) determined according to ISO 16152 (25° C.) of more than 30 wt.-%, a heterophasic propylene copolymer (RAHECO) produced by the process as well as an article, preferably a film, a flexible tube or cable insulation, comprising the heterophasic propylene copolymer (RAHECO).

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：US20220127439A1

公开(公告)日：2022-04-28

申请号：US17284952

申请日：2019-10-29

Applicant: BOREALIS AG

Inventor： Susanne Kahlen ,  Hermann Braun ,  Yi Liu ,  Markus Gahleitner

IPC: C08L23/04 ,  C08L23/10 ,  C08K5/01 ,  C08K3/34

Abstract: A polyethylene-polypropylene composition obtainable by blending a) 80 to 97 wt.-% of a blend (A) comprising A-1) polypropylene and A-2) polyethylene, wherein the weight ratio of polypropylene to polyethylene is from 3:7 to 7:3, and wherein blend (A) is a recycled material, which is recovered from a waste plastic material derived from post-consumer and/or industrial waste; and b) 3 to 20 wt.-% of a compatibilizer (B) being a C2C8 plastomer, having—a DSC melting point of below 75° C. (ISO11357);—an MFR2 (ISO1133, 2.16 kg load at 190° C.) of equal or below 1.5 g/10 min; and—a density of equal or lower than 885 kg/m3 (ISO1183),wherein the ratio of MFR2 (blend (A) (ISO1133, 2.16 kg load at 230° C.)/MFR2(compatibilizer (B) (ISO1133, 2.16 kg load at 190 ° C.), is in the range 3.0 to 15; and c) 0 to 1.0 wt.-% of a stabilizer or mixture of stabilizers.