公开(公告)号：US12084564B2

公开(公告)日：2024-09-10

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 ,  C08J9/00 ,  C08J9/04 ,  B29C45/00 ,  B29K23/00 ,  B29K105/04

CPC classification number: C08L23/12 ,  C08J9/0023 ,  C08J9/0052 ,  C08J9/0066 ,  C08J9/0095 ,  C08J9/04 ,  B29C45/0001 ,  B29K2023/12 ,  B29K2105/04 ,  C08J2323/12 ,  C08J2423/14 ,  C08L2201/08 ,  C08L2203/14 ,  C08L2203/30 ,  C08L2205/025 ,  C08L2205/24 ,  C08L2314/06

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：US20230257570A1

公开(公告)日：2023-08-17

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 ,  C08L2207/02 ,  C08L2205/025 ,  C08L2205/03 ,  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：US20230174759A1

公开(公告)日：2023-06-08

申请号：US17925617

申请日：2021-05-17

Applicant: Borealis AG

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

IPC: C08L23/12 ,  C08K7/14 ,  C08J3/20

CPC classification number: C08L23/12 ,  C08K7/14 ,  C08J3/203 ,  C08L2205/08 ,  C08L2314/06 ,  C08J2323/12 ,  C08J2451/06

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

公开(公告)号：US11377543B2

公开(公告)日：2022-07-05

申请号：US16620321

申请日：2018-06-21

Applicant: BOREALIS AG

Inventor： Thomas Lummerstorfer ,  Daniela Mileva ,  Georg Grestenberger

IPC: C08L23/12 ,  C08K5/098 ,  C08K5/14 ,  C08L23/08 ,  C08L23/30

Abstract: The present invention is directed to a heterophasic polypropylene composition (HC) comprising a modified polypropylene composition (mPP), a process for preparing said heterophasic polypropylene composition (HC) and an article comprising said heterophasic polypropylene composition (HC). The present invention is further directed to the use of a composition comprising a peroxide (PO) and a crosslinking agent (CA) to reduce tigerskin of a polypropylene composition (PP).

公开(公告)号：US11111371B2

公开(公告)日：2021-09-07

申请号：US16317162

申请日：2017-07-14

Applicant: BOREALIS AG

Inventor： Thomas Lummerstorfer ,  Daniela Mileva ,  Georg Grestenberger

IPC: C08L23/30 ,  C08L23/12 ,  C08L23/14 ,  C08K3/013 ,  C08K3/34 ,  C08K5/14 ,  B29C45/00 ,  B29K23/00 ,  B29L31/30 ,  C08L23/16

Abstract: The present invention is directed to propylene composition applicable for high flow automotive exterior compounds with excellent surface appearance, said composition comprising a modified polypropylene composition and an inorganic filler.

公开(公告)号：US20200207960A1

公开(公告)日：2020-07-02

申请号：US16622532

申请日：2018-06-26

Applicant: BOREALIS AG

Inventor： Daniela Mileva ,  Susanne Kahlen ,  Georg Grestenberger ,  Anton Sageder ,  Christof Wurnitsch ,  Anna Hartl ,  Patrick Rover ,  Erwin Pieklbauer

IPC: C08L23/12 ,  C08L23/14 ,  C08L23/08 ,  C08K3/34 ,  C08K5/092 ,  C08K5/098

Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO1) having an intrinsic viscosity (IV) of the xylene soluble fraction (XCS) above 3.5 dl/g, an inorganic filler (F) and a nucleating agent (NU) being a dicarboxylic acid and/or a salt thereof. Further, the present invention is directed to the use of said polypropylene composition (C) for the production of a foamed article as well as a foamed article comprising said polypropylene composition (C). The present invention is also directed to the use of a nucleating agent (NU) being dicarboxylic acid and/or a salt thereof for the reduction of tigerskin of a polypropylene composition.

公开(公告)号：US10696834B2

公开(公告)日：2020-06-30

申请号：US16069392

申请日：2017-01-27

Applicant: BOREALIS AG

Inventor： Georg Grestenberger ,  Daniela Mileva ,  Susanne Kahlen ,  Michael Jerabek

IPC: C08L23/12 ,  C08L23/16 ,  C08L23/14

Abstract: A polyolefin composition comprising a heterophasic propylene copolymer and a polar modified α-polyolefin.

公开(公告)号：US10647838B2

公开(公告)日：2020-05-12

申请号：US16070113

申请日：2017-01-27

Applicant: BOREALIS AG

Inventor： Georg Grestenberger ,  Daniela Mileva ,  Susanne Kahlen ,  Pavel Shutov

IPC: C08L23/12 ,  C08F2/00 ,  C08F210/06 ,  C08L23/14

Abstract: A heterophasic propylene copolymer (HECO) comprising a polypropylene matrix having a melt flow rate MFR2 (230° C.) in the range of 40 to 120 g/10 min and a comonomer content in the range of 30 to 75 mol-% for the preparation of molded articles with low CLTE.

公开(公告)号：US20190233630A1

公开(公告)日：2019-08-01

申请号：US16316871

申请日：2017-07-14

Applicant: BOREALIS AG

Inventor： Daniela Mileva ,  Georg Grestenberger ,  Thomas Lummerstorfer

IPC: C08L23/30 ,  C08K3/34 ,  C08K5/14 ,  C08F210/06 ,  C08F210/02 ,  C08F210/16

CPC classification number: C08L23/30 ,  C08F210/02 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/12 ,  C08F2800/10 ,  C08K3/34 ,  C08K5/14 ,  C08L23/12 ,  C08L23/142 ,  C08L2205/03 ,  C08L2205/035 ,  C08L2207/02 ,  C08L23/16

Abstract: The present invention is directed to a stiff propylene composition with good dimensional stability and excellent surface appearance, said composition comprising a modified polypropylene composition and an inorganic filler.

公开(公告)号：US09701825B2

公开(公告)日：2017-07-11

申请号：US14891053

申请日：2014-05-15

Applicant: Borealis AG

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

IPC: C08L23/10

CPC classification number: C08L23/10 ,  C08F210/06 ,  C08K3/34 ,  C08L23/0815 ,  C08L23/16 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/02 ,  C08L2308/00 ,  C08F2/001 ,  C08F4/6492 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17

Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) as well as the use of the polypropylene composition (C) to reduce paintability failure of a molded article.