公开(公告)号：US20230257934A1

公开(公告)日：2023-08-17

申请号：US18011551

申请日：2021-06-23

Applicant: Borealis AG

Inventor： Willem De Wever ,  Henk Van Paridon ,  Gustaf Tobieson ,  Auli Nummila-Pakarinen ,  Jingbo Wang

IPC: D06N3/04 ,  D06N3/00 ,  D01D5/08

CPC classification number: D06N3/045 ,  D06N3/0011 ,  D06N3/0038 ,  D01D5/08 ,  D06N3/0088 ,  D06N2211/18 ,  D06N2211/06 ,  D06N2211/24 ,  D06N2201/0254 ,  D06N2203/042

Abstract: The present invention relates to a composite comprising a nonwoven fabric being the substrate of the composite, wherein the nonwoven fabric comprises a polymer (A) selected from the group consisting of polyethylene, polypropylene, polyethylene terephthalate and polyamide; and a coating layer, wherein the coating layer comprises a polymer (B), wherein said polymer is an ethylene copolymer, preferably a polar ethylene copolymer; whereby the coating layer overlays at least one surface of the nonwoven fabric; and whereby the composite has a water vapor transmission rate (WTVR) according to ASTM E-96 ((water cup method) at 38° C. at 50% RH at the outside of the sample and 100% RH at the inside of the samples) of more than 50 g/[m2/24 h], preferably of more than 100 g/[m2/24 h].

公开(公告)号：US20230242694A1

公开(公告)日：2023-08-03

申请号：US17050038

申请日：2019-05-07

Applicant: BOREALIS AG

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

IPC: C08F210/06 ,  C08F2/00 ,  C08F210/02 ,  C08F210/14 ,  C08F4/6592 ,  C08F4/659 ,  C08L23/16

CPC classification number: C08F210/06 ,  C08F2/001 ,  C08F210/02 ,  C08F210/14 ,  C08F4/65927 ,  C08F4/65912 ,  C08L23/16 ,  C08L2207/068 ,  C08L2314/06 ,  C08L2203/18

Abstract: PP/UHMW-PE (Polypropylene-Ultrahigh-Molecular-Weight-Polyethylene) composition having: —a melting temperature Tm in the range of 125 to 150° C. (DSC, ISO 11357, Part 3), —an MFR2 of 0.15 to 0.60 g/10min (2.16 kg, 230° C., IS01133), —units derived from 1-hexene in an amount of at least 1.80 wt.-%, and—a XS according to IS116152 of less than 5.0 wt.-% all weight percentages with respect to the total PP/UHMW-PE composition.

公开(公告)号：US11643537B2

公开(公告)日：2023-05-09

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: C08L23/08 ,  C08L23/20 ,  C08L23/12 ,  C08K3/013

CPC classification number: C08L23/12 ,  C08F2500/34 ,  C08K3/013 ,  C08L23/0815 ,  C08L23/20 ,  C08L2205/035 ,  C08L2207/02 ,  C08L2308/00

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：US11634571B2

公开(公告)日：2023-04-25

申请号：US17235083

申请日：2021-04-20

Applicant: BOREALIS AG

Inventor： Markus Gahleitner ,  Jingbo Wang ,  Carl-Gustaf Ek ,  Klaus Bernreitner

IPC: C08L23/16 ,  C08L23/14 ,  C08F2/00 ,  C08F210/06 ,  C08F210/16

Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a plastomer (PL) 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：US20230094231A1

公开(公告)日：2023-03-30

申请号：US17911467

申请日：2021-03-17

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Wilfried Toeltsch ,  Simon Schwarzenberger

IPC: C08L23/12 ,  C08K5/5377 ,  C08K5/524

Abstract: The present invention provides a heterophasic polypropylene composition with good response to nucleating agents, increased crystallisation temperature, good mechanical properties The present invention further relates to articles made thereof, and the use of the heterophasic polypropylene composition for specific applications and producing these.

公开(公告)号：US11578430B2

公开(公告)日：2023-02-14

申请号：US16303845

申请日：2017-06-02

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Joachim Fiebig ,  Henk Van Paridon ,  Markus Gahleitner ,  Petar Doshev ,  Georg Grestenberger ,  Antti Tynys

IPC: D01F6/46 ,  C08L23/12 ,  D04H1/544 ,  D01D5/098 ,  D01F6/06 ,  D04H1/4291 ,  D04H1/56 ,  D04H3/007 ,  D04H3/16

Abstract: Melt-blown fiber comprising two polypropylenes which differ in their molecular weight.

公开(公告)号：US11578198B2

公开(公告)日：2023-02-14

申请号：US16637402

申请日：2018-08-24

Applicant: BOREALIS AG

Inventor： Markus Gahleitner ,  Klaus Bernreitner ,  Jingbo Wang

IPC: C08L23/12 ,  C08L23/16 ,  C08F210/06 ,  C08F2/00 ,  C08F210/02 ,  C08F4/6592

Abstract: The present application relates to a polypropylene composition having a melt flow rate MFR.2 (230° C.) measured according to ISO 1133 in the range of 5 to 50 g/10 min, to a composition comprising the polypropylene composition and one or more additive(s) in an amount of up to 4 wt.-%, based on the total weight of the composition, to a process for the preparation of the polypropylene composition and an article comprising the polypropylene composition as well as the use of the polypropylene composition for decreasing the brittle-to-ductile transition temperature.

公开(公告)号：US20230025875A1

公开(公告)日：2023-01-26

申请号：US17780545

申请日：2020-12-03

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Joachim Fiebig ,  Henk Van Paridon ,  Wilhelmus Sars ,  Gustaf Tobieson

IPC: D04H3/16 ,  D04H3/007 ,  C08F110/06

Abstract: The present invention relates to melt-blown webs having no shots and improved barrier properties, whereby the melt-blown webs are made of a visbroken metallocene-catalyzed propylene homopolymer composition with specified melting temperature Tm, content of 2,1 erythro regiodefects and molecular weight distribution (MWD).

公开(公告)号：US20220348750A1

公开(公告)日：2022-11-03

申请号：US17728423

申请日：2022-04-25

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Matthias Hoff ,  Wilfried Töltsch

IPC: C08L23/12 ,  C08L23/16 ,  C08F2/00 ,  C08F10/06

Abstract: The invention is directed to a beta nucleated heterophasic propylene copolymer composition (HPPC).

公开(公告)号：US11466148B2

公开(公告)日：2022-10-11

申请号：US17594555

申请日：2020-04-28

Applicant: Borealis AG

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

IPC: C08L23/14 ,  C08L53/02

Abstract: The present invention is directed to a polyolefin composition (C) containing a heterophasic propylene copolymer (TERHECO) and a styrenic thermoplastic (sTPE), wherein the heterophasic propylene copolymer (TERHECO) consists of units derived from propylene, ethylene and 1-hexene. Further the present invention is directed to articles made from the polyolefin composition (C) as well as to the production of sterilized articles.