公开(公告)号：US20230212338A1

公开(公告)日：2023-07-06

申请号：US17995997

申请日：2021-04-09

Applicant: Borealis AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSUESS ,  Stefan ORTNER

IPC: C08F210/06 ,  C08J5/18

CPC classification number: C08F210/06 ,  C08J5/18 ,  C08J2323/14

Abstract: Blown films, especially monolayer blown films, with an improved property profile, the blown films comprising at least 95.0 wt% of a specific heterophasic propylene copolymer (TERHECO).

公开(公告)号：US20210395474A1

公开(公告)日：2021-12-23

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: C08J5/18 ,  C08F297/08

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：US20240158544A1

公开(公告)日：2024-05-16

申请号：US18546325

申请日：2022-02-11

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Pauli LESKINEN ,  Peter NIEDERSUESS ,  Auli NUMMILA-PAKARINEN ,  Stefan ORTNER

IPC: C08F10/06 ,  B32B27/08 ,  B32B27/32 ,  C08J11/04 ,  C08L23/12 ,  C08L23/14

CPC classification number: C08F10/06 ,  B32B27/08 ,  B32B27/327 ,  C08J11/04 ,  C08L23/12 ,  C08L23/14 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2270/00 ,  B32B2307/518 ,  B32B2307/718 ,  B32B2307/7376 ,  B32B2439/70 ,  B32B2439/80 ,  C08J2323/12 ,  C08J2323/14

Abstract: The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162° C.; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 4 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145° C.; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13C NMR; and wherein SL and CL1 are polypropylene-based layers. Furthermore, the present invention refers to a process for manufacturing the coated article and to its use. Another aspect of the present invention relates to a process for recycling the coated article to obtain a recycled polypropylene and to the use of said recycled polypropylene.

公开(公告)号：US20230002605A1

公开(公告)日：2023-01-05

申请号：US17763278

申请日：2020-09-25

Applicant: BOREALIS AG

Inventor： Jingbo WANG ,  Markus GAHLEITNER ,  Klaus BERNREITNER ,  Luigi Maria Cristoforo RESCONI ,  Simon SCHWARZENBERGER

IPC: C08L23/14 ,  C08F210/06

Abstract: A heterophasic polypropylene copolymer having an MFR2 of 0.05 to 20 g/10 min (ISO 1133 at 230° C. with a loading of 2.16 kg) and a melting point (Tm) of 156 to 164° C. (measured by DSC according to ISO 11357) wherein the heterophasic polypropylene copolymer comprises at least the following components: (A) 55.0 to 95.0 wt % of a crystalline fraction (CF) having a comonomer content of 0 to 3.0 wt %; and (B) 5.0 to 45.0 wt % of a soluble fraction (SF) having a comonomer content of 12 to 45 wt %; wherein the intrinsic viscosity (IV) (in decalin at 135° C.) of the soluble fraction (SF) is 2.5 to 11 dl/g, and wherein the amount of crystalline fraction (CF) and the amount of soluble fraction (SF) are determined in 1,2,4-trichlorobenzene at 40° C.

公开(公告)号：US20220297411A1

公开(公告)日：2022-09-22

申请号：US17833052

申请日：2022-06-06

Applicant: BOREALIS AG

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

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

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：US20210340365A1

公开(公告)日：2021-11-04

申请号：US17273511

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 ,  C08K5/526 ,  C08K5/134 ,  C08K3/04 ,  C08F110/06 ,  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 a polypropylene homopolymer (H-PP1) for reducing the 5stiffness reduction factor of a foamed injection molded article by at least 40 as determined by the difference of the flexural modulus measured according to ISO 178 of the non-foamed and foamed injection molded article and compared to an article comprising the same amount of a polypropylene which has been polymerized in the presence of a Ziegler-Natta catalyst.

公开(公告)号：US20210171750A1

公开(公告)日：2021-06-10

申请号：US16768330

申请日：2018-12-18

Applicant: BOREALIS AG

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

IPC: C08L23/12 ,  C08L23/06 ,  C08F4/6592 ,  C08L23/16

Abstract: Polypropylene composition comprising a heterophasic polypropylene (HECO) and a bimodal metallocene linear low-density polyethylene (mLLDPE), as well as articles obtained from said polypropylene composition. The present invention is further related to the use of a bimodal metallocene linear low-density polyethylene (mLLDPE) as modifier for heterophasic polypropylenes (HECOs) to improve impact strength and optics.

公开(公告)号：US20240093415A1

公开(公告)日：2024-03-21

申请号：US17927569

申请日：2021-05-26

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus GAHLEITNER ,  Pauli LESKINEN ,  Klaus BERNREITNER ,  Mathias HOFF ,  Henk VAN PARIDON ,  Gustaf TOBIESON

IPC: D04H3/007 ,  C08F110/06 ,  C08L23/12 ,  D04H3/03 ,  D04H3/16

CPC classification number: D04H3/007 ,  C08F110/06 ,  C08L23/12 ,  D04H3/03 ,  D04H3/16 ,  C08L2203/12 ,  C08L2205/02 ,  D10B2321/022 ,  D10B2401/04

Abstract: The present invention relates to a non-woven fabric comprising fibers which comprise 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 >152.0° C. to

公开(公告)号：US20220135714A1

公开(公告)日：2022-05-05

申请号：US17429230

申请日：2020-01-20

Applicant: BOREALIS AG

Inventor： Markus GAHLEITNER ,  Jingbo WANG ,  Dietrich GLOGER ,  Klaus BERNREITNER

IPC: C08F110/06 ,  C08K5/00 ,  C08F4/6592 ,  C08K5/098 ,  C08K5/3465 ,  C08L23/12 ,  B29B9/06

Abstract: The present invention is directed to a propylene polymer composition comprising (a) at least 90 wt. %, based on the weight of the total propylene homopolymer composition, of a propylene homopolymer having (i) a pentad isotacticity (mmmm) of equal or more than 98.0 mol.-%, determined by quantitative 13C NMR spectroscopy, (ii) a relative amount of erythro regio-defects of not more than 0.2 mol.-%, determined by quantitative 13C NMR spectroscopy, as described herein, and (b) a nucleating agent (B) selective for the beta-modification of isotactic polypropylene in an amount of from 0.001 to 1.0 wt. %, based on the weight of the total propylene homopolymer composition, wherein said propylene homopolymer composition has a melt flow rate MFR2 (230° C., 2.16 kg) according to ISO 1133 of 0.1 to 10 g/10 min., a beta-phase content of not less than 80%, measured by wide angle x-ray scattering (WAXS). Further disclosed is a moulded propylene homopolymer product obtainable by compression moulding or extrusion of the propylene homopolymer composition.

公开(公告)号：US20210395427A1

公开(公告)日：2021-12-23

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: C08F297/08 ,  C08J5/18

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.