公开(公告)号：US11952482B2

公开(公告)日：2024-04-09

申请号：US18005157

申请日：2021-07-08

Applicant: BOREALIS AG

Inventor： Cornelia Tranninger ,  Daniela Mileva ,  Georg Grestenberger

IPC: C08L23/16 ,  C08L23/08

CPC classification number: C08L23/16 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/02 ,  C08L2207/066

Abstract: A heterophasic polypropylene composition (C) comprising: a. 60.0 to 85.0 wt.-% of a first heterophasic propylene ethylene copolymer (HECO1), having: i. 75.0 to 92.0 wt.-% of a CRYSTEX QC crystalline fraction (CF); ii. 8.0 to 25.0 wt.-% of a CRYSTEX QC soluble fraction (SF); iii. an IV(SF) of 2.00 to 4.00 dl/g; b. 5.0 to 20.0 wt.-% of a second heterophasic propylene ethylene copolymer (HECO2), having i. 15.0 to 30.0 wt.-% of a CRYSTEX QC soluble fraction (SF); ii. an IV(SF) of 2.5 to 5.0 dl/g; and c. 5.0 to 20.0 wt.-% of a polymer of ethylene (PE), being selected from an ethylene-based plastomer and an LDPE, having a density in the range from 895 to 925 kg/m3; wherein the heterophasic polypropylene composition (C) has an MFR2 in the range from 15.0 to 40.0 g/10 min, and 5.0 to 23.0 wt.-% of a CRYSTEX QC soluble fraction (SF).

公开(公告)号：US20230331881A1

公开(公告)日：2023-10-19

申请号：US18001674

申请日：2021-06-14

Applicant: BOREALIS AG

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

IPC: C08F110/06 ,  C08K3/012 ,  C08K5/52 ,  C08K5/098 ,  C08F2/34 ,  C08F2/02 ,  C08F2/00 ,  C08J3/12 ,  C08F4/6592

CPC classification number: C08F110/06 ,  C08K3/012 ,  C08K5/52 ,  C08K5/098 ,  C08F2/34 ,  C08F2/02 ,  C08F2/001 ,  C08J3/12 ,  C08F4/65927 ,  C08J2323/12

Abstract: Process for producing a polypropylene comprising the steps of polymerizing the polypropylene in the presence of a metallocene catalyst, visbreaking said polypropylene and subsequently aerating the polypropylene at elevated temperature.

公开(公告)号：US20230303812A1

公开(公告)日：2023-09-28

申请号：US18020337

申请日：2021-08-13

Applicant: Borealis AG

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

IPC: C08L23/12 ,  C08L23/16 ,  C08L23/06 ,  C08L23/08 ,  C08K3/34

CPC classification number: C08L23/12 ,  C08L23/16 ,  C08L23/06 ,  C08L23/0815 ,  C08K3/34 ,  C08L2207/02 ,  C08L2207/062 ,  C08L2205/025 ,  C08L2205/035 ,  C08L2314/06 ,  C08L2205/22 ,  C08K2201/005

Abstract: A composition comprising (A) 40 to 80 wt.-% of a first heterophasic composition (HECO1); (B) 7 to 30 wt.-% of a second heterophasic composition (HECO2); (C) 0 to 12 wt.-% of an HDPE; (D) 2 to 12 wt.-% of a plastomer; and (E) 7 to 25 wt.-%, of talc; wherein HECO1 has a Tm of 150 to 159° C., an MFR2 of 20.0 to 120 g/10 min, a CRYSTEX crystalline fraction of 79.0 to 91.0 wt.-%, a CRYSTEX soluble fraction of 9.0 to 21.0 wt.-%, and an ethylene content of 1.5 to 6.5 mol.-%; HECO2 has an MFR2 of 2.0 to 10.0 g/10 min, a CRYSTEX crystalline fraction of 70.0 to 82.0 wt.-%, a CRYSTEX soluble fraction of 18.0 to 30.0 wt.-% and an ethylene content of 9.0 to 20.0 mol.-%; the plastomer being a C2/C8 or a C2/C4 copolymer having a density of 850 to 900 kg/m3.

公开(公告)号：US11668033B2

公开(公告)日：2023-06-06

申请号：US16304779

申请日：2017-06-08

Applicant: BOREALIS AG

Inventor： Lisa Maria Steiner ,  Gerhard Hubner ,  Jingbo Wang ,  Markus Gahleitner ,  Georg Grestenberger ,  Joachim Fiebig

IPC: C08F8/50 ,  D04H3/007 ,  D04H3/16 ,  D04H1/56 ,  D04H1/4291 ,  D04H1/544

CPC classification number: D04H1/56 ,  C08F8/50 ,  D04H1/4291 ,  D04H1/544 ,  D04H3/007 ,  D04H3/16 ,  C08F2810/10

Abstract: High quality melt-blown webs having improved barrier properties (3rd drop, cm H2O resp. mbar) and a widened process window. The melt-blown webs show a specific chain structure.

公开(公告)号：US11530321B2

公开(公告)日：2022-12-20

申请号：US16761757

申请日：2018-10-29

Applicant: BOREALIS AG

Inventor： Claudia Kniesel ,  Klaus Lederer ,  Georg Grestenberger ,  Erich Seitl ,  Andreas Jahn ,  Angelica Maëlle Delphine Legras

IPC: C08L23/12 ,  C08K3/105

Abstract: The invention is directed at a polypropylene composition comprising a heterophasic propylene copolymer, a plastomer and an inorganic filler. Furthermore, the invention is directed at an article comprising the polypropylene composition and the use of the polypropylene composition to improve the adhesion performance.

公开(公告)号：US11053379B2

公开(公告)日：2021-07-06

申请号：US16070742

申请日：2017-01-27

Applicant: BOREALIS AG

Inventor： Georg Grestenberger ,  Daniela Mileva ,  Susanne Kahlen

IPC: C08L23/12

Abstract: A heterophasic propylene copolymer (HECO) comprising a polypropylene matrix having a melt flow rate MFR2 (230° C.) in the range of 45 to 75 g/10 min for the preparation of molde articles with low CLTE.

公开(公告)号：US10920057B2

公开(公告)日：2021-02-16

申请号：US16463718

申请日：2017-12-08

Applicant: BOREALIS AG

Inventor： Georg Grestenberger ,  Susanne Kahlen ,  Daniela Mileva ,  Wolfgang Stockreiter ,  Erwin Kastner ,  Jochen Kastl

IPC: C08L23/12 ,  C08J9/00 ,  C08F210/06

Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).

公开(公告)号：US10392492B2

公开(公告)日：2019-08-27

申请号：US15100176

申请日：2014-12-01

Applicant: Borealis AG

Inventor： Dietrich Gloger ,  Claudia Kniesel ,  Georg Grestenberger ,  Daniela Mileva

IPC: C08K3/34 ,  C08L23/14

Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) and the use of the polypropylene composition (C) to reduce paintability failure of a molded article. The polypropylene composition (C) comprises (a) 40.0 to 80.0 wt. %, based on the total weight of the composition, of a propylene copolymer (R-PP) having: (a1) a comonomer content in the range of 1.5 to 8.0 wt. %, and (a2) a melt flow rate MFR2 (230 ° C.) measured according to ISO 1133 in the range of 5.0 to 100.0 g/10 min, and (b) 20.0 to 40.0 wt. %, based on the total weight of the composition, of a mineral filler (F) being selected from the group consisting of talcum, wollastonite, kaolin, and mica, wherein the polypropylene composition (C) has a melt flow rate MFR2 (230 ° C.) measured according to ISO 1133 in the range of 5.0 to 45.0 g/10 min.

公开(公告)号：US20190169409A1

公开(公告)日：2019-06-06

申请号：US16303341

申请日：2017-06-02

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Petar Doshev ,  Georg Grestenberger

IPC: C08L23/12 ,  C08F110/06

CPC classification number: C08L23/12 ,  C08F4/6492 ,  C08F4/651 ,  C08F110/06 ,  C08L2203/12 ,  C08L2203/16 ,  C08L2205/025 ,  C08L2207/02 ,  C08F2500/02 ,  C08F2500/12

Abstract: The present invention is directed to a polypropylene composition, said polypropylene composition comprising two different polypropylene fractions (PP1) and (PP2), wherein the first polypropylene (PP1) has a weight molecular weight Mw in the range of above 45 kg/mol to below 65 kg/mol and a melting temperature of at least 140° C.

公开(公告)号：US10155828B2

公开(公告)日：2018-12-18

申请号：US15772414

申请日：2016-11-17

Applicant: BOREALIS AG

Inventor： Georg Grestenberger ,  Martina Sandholzer

IPC: C08F210/06 ,  C08F2/00 ,  C08K3/34 ,  C08L23/12 ,  C08L23/16

Abstract: The present invention is directed to a heterophasic propylene copolymer (HECO), a polyolefin composition (PO) comprising the heterophasic propylene copolymer (HECO), an automotive article comprising the heterophasic propylene copolymer (HECO) and/or the polyolefin composition (PO) and a process for the preparation of the polyolefin composition (PO) as well as the use of the heterophasic propylene copolymer (HECO) for improving the mechanical properties of a polyolefin composition (PO).