公开(公告)号：US20250083409A1

公开(公告)日：2025-03-13

申请号：US18292572

申请日：2022-08-02

Applicant: Borealis AG

Inventor： Jingbo Wang ,  Markus Gahleitner ,  Klaus Bernreitner ,  Henk Van Paridon ,  Gustaf Tobieson ,  Wilhelmus Henricus Adolf Sars ,  Anita Luyten ,  Pascal Wust ,  Onur Uzun

IPC: B32B5/26 ,  B01D39/16 ,  B32B5/02 ,  B32B7/027 ,  C08F10/06 ,  D04H1/4291 ,  D04H1/4374 ,  D04H1/56 ,  D04H3/16

Abstract: A nonwoven fabric (NF) comprising a multilayer structure that comprises: i) at least one meltblown layer (M) comprising melt blown fibers (MBF) comprising a first propylene polymer (PP1) having: a) an amount of 2,1-regiodefects in the range from 0.0 to 0.1 mol-%; and b) a melting temperature Tm in the range from 155 to 170° C., ii) at least one spunbonded layer (S) comprising spunbonded fibers (SBF) comprising a second propylene polymer (PP2) having: a) an amount of 2,1-regiodefects in the range from 0.4 to 1.5 mol-%; and b) a melting temperature Tm in the range from 145 to 160° C. wherein the melting temperature of the first polypropylene polymer Tm (PP1) is at least 5.0° C. higher than that of the second first polypropylene polymer Tm (PP2).

公开(公告)号：US20190323155A1

公开(公告)日：2019-10-24

申请号：US16451936

申请日：2019-06-25

Applicant: Borealis AG

Inventor： Joachim Fiebig ,  Henk Van Paridon ,  Jingbo Wang ,  Markus Gahleitner ,  Wilhelmus Henricus Adolf Sars ,  Antti Tynys

IPC: D04H1/56 ,  C08K5/3435 ,  D04H1/4291 ,  D04H1/544 ,  C08K5/103 ,  C08F8/50 ,  D04H3/16 ,  D04H3/007 ,  D01F1/10 ,  D01F6/06 ,  A61B46/00 ,  A41D13/12 ,  A61F13/51

Abstract: Melt-blown webs having no shots and improved barrier properties, whereby the melt-blown webs are made out of a so-called “controlled rheology” propylene (CR-PP), which was visbroken without any peroxide.

公开(公告)号：US20150024650A1

公开(公告)日：2015-01-22

申请号：US14379183

申请日：2013-02-15

Applicant: Borealis AG

Inventor： Guido Boelaers ,  Bert Broeders ,  Joachim Fiebig ,  Henk Van Paridon

IPC: D01F6/46 ,  D01D5/12 ,  D04H3/007

CPC classification number: D01F6/46 ,  C08L23/10 ,  C08L2203/12 ,  C08L2205/025 ,  D01D5/0985 ,  D01D5/12 ,  D04H3/007 ,  D10B2321/022 ,  D10B2501/04 ,  D10B2505/04 ,  D10B2509/00 ,  Y10T428/298 ,  Y10T442/608

Abstract: The present invention is directed to a new polypropylene composition, polypropylene fibres comprising said polypropylene composition, a spunbonded fabric comprising said polypropylene fibres and/or polypropylene composition, an article comprising said polypropylene fibres and/or said spunbonded fabric as well as to a process for the preparation of such spunbonded fabric and the use of such polypropylene composition for improving the stability of a fibre spinning line.

Abstract translation: 本发明涉及新的聚丙烯组合物，包含所述聚丙烯组合物的聚丙烯纤维，包含所述聚丙烯纤维和/或聚丙烯组合物的纺粘织物，包含所述聚丙烯纤维和/或所述纺粘织物的制品以及用于 这种纺粘织物的制备以及使用这种聚丙烯组合物来提高纤维纺丝线的稳定性。

公开(公告)号：US20240301602A1

公开(公告)日：2024-09-12

申请号：US18260506

申请日：2022-01-21

Applicant: BOREALIS AG

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

IPC: D04H3/16 ,  B01D39/16 ,  C08F110/06 ,  C08K5/098 ,  C08K5/20 ,  D01F1/10 ,  D01F6/06 ,  D04H1/4291 ,  D06M10/00 ,  D06M101/20

CPC classification number: D04H3/16 ,  B01D39/1623 ,  C08F110/06 ,  C08K5/098 ,  C08K5/20 ,  D01F1/10 ,  D01F6/06 ,  D04H1/4291 ,  D06M10/00 ,  B01D2239/0435 ,  B01D2239/0622 ,  B01D2239/10 ,  C08F2420/10 ,  C08F2810/10 ,  C08K2201/014 ,  D06M2101/20 ,  D06M2200/00 ,  D10B2321/022 ,  D10B2401/04 ,  D10B2505/04

Abstract: Electret melt-blown webs made from a polypropylene composition (PC) comprising a propylene homopolymer (HPP) having: a. a melt flow rate MFR2 in the range from 400 to 5000 g/10 min, b. a melting temperature Tm, in the range from 140 to 160° C., and c. a content of 2, 1 erythro regiodefects in the range from 0.01 to 1.5 mol %.

公开(公告)号：US20240084103A1

公开(公告)日：2024-03-14

申请号：US18260504

申请日：2022-01-21

Applicant: BOREALIS AG

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

IPC: C08K5/3435 ,  B01D39/16 ,  D01F1/10 ,  D01F6/06 ,  D04H1/4291 ,  D04H1/56 ,  D04H3/16 ,  D06M10/00

CPC classification number: C08K5/3435 ,  B01D39/1623 ,  D01F1/10 ,  D01F6/06 ,  D04H1/4291 ,  D04H1/56 ,  D04H3/16 ,  D06M10/00 ,  D06M2101/20 ,  D10B2321/022 ,  D10B2401/00

Abstract: A polypropylene composition (PC) comprising: a. from 95.0 to 99.99 wt.-%, of a polypropylene (PP), preferably a propylene homopolymer (HPP); and b. from 0.01 to 5.0 wt.-%, of a compound according to Formula (I), wherein each R is independently selected from C1 to C6 alkylene, C2 to C6 alkenylene and a single bond, each R′ is independently selected from H and C1 to C6 alkyl, each R″ is independently selected from H and C1 to C22 alkyl, wherein each alkylene, alkenylene and alkyl group may optionally be substituted by deuterium or fluorine, and the two substituents on the central benzene ring may be either positioned in an ortho, meta or para relationship; wherein the polypropylene composition (PC) has an MFR2 of from 400 to 5000 g/10 min and a melting temperature Tm of from 140 to 170° C.

公开(公告)号：US20230001340A1

公开(公告)日：2023-01-05

申请号：US17779240

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: B01D39/16 ,  D01F6/06 ,  D04H1/56 ,  C08F4/6592 ,  C08F10/06

Abstract: The present invention relates to filtration media made from melt-blown fibers having improved barrier properties. The melt-blown fibers in the filtration media of the invention are made of a visbroken metallocene-catalyzed propylene homopolymer composition with specified melting temperature Tm and molecular weight distribution (MWD).

公开(公告)号：US10982022B2

公开(公告)日：2021-04-20

申请号：US16658366

申请日：2019-10-21

Applicant: BOREALIS AG

Inventor： Joachim Fiebig ,  Henk Van Paridon ,  Jingbo Wang ,  Markus Gahleitner

IPC: C08F8/06 ,  C08F8/32 ,  C08F110/06 ,  C08J3/22 ,  C08K5/1575 ,  C08K5/17 ,  C08K5/357 ,  C08L23/10 ,  C08L23/12 ,  C08L23/14 ,  D01F6/06 ,  C08F8/50 ,  C08K5/3435 ,  D01D5/088 ,  D01D5/08 ,  D01D5/098 ,  D04H3/007 ,  C08K5/14 ,  D01D1/02 ,  B29K23/00 ,  B29L31/00

Abstract: Synergistic visbreaking composition of peroxide and a hydroxylamine ester for increasing the visbreaking efficiency for polypropylene polymers at melt extrusion temperatures below 250° C. and its use in visbreaking polypropylene. The present invention is furthermore related to the use of such visbroken polypropylene polymers for producing melt blown non-wovens with improved barrier properties.

公开(公告)号：US20170314172A1

公开(公告)日：2017-11-02

申请号：US15533593

申请日：2015-12-14

Applicant: Borealis AG

Inventor： Joachim Fiebig ,  Henk Van Paridon ,  Jingbo Wang ,  Markus Gahleitner ,  Wilhelmus Henricus Adolf Sars ,  Antti Tynys

IPC: D04H1/56 ,  D04H1/544 ,  D01F6/06 ,  A41D13/12 ,  A61B46/00 ,  C08F8/50 ,  A61F13/51 ,  C08K5/103 ,  D01F1/10

CPC classification number: D04H1/56 ,  A41D13/1209 ,  A61B46/40 ,  A61F13/51 ,  C08F4/651 ,  C08F4/6546 ,  C08F8/50 ,  C08F2810/10 ,  C08K5/098 ,  C08K5/103 ,  C08K5/3435 ,  D01F1/10 ,  D01F6/06 ,  D04H1/4291 ,  D04H1/544 ,  D04H3/007 ,  D04H3/16 ,  D10B2321/022 ,  C08F110/06 ,  C08F2500/04 ,  C08F2500/12 ,  C08L23/12

Abstract: Melt-blown webs having no shots and improved barrier properties, whereby the melt-blown webs are made out of a so-called “controlled rheology” propylene (CR-PP), which was visbroken without any peroxide.

公开(公告)号：US20210324119A1

公开(公告)日：2021-10-21

申请号：US17268110

申请日：2019-09-20

Applicant: BOREALIS AG

Inventor： Henk Van Paridon ,  Bert Broeders

IPC: C08F210/06 ,  D04H3/007 ,  D04H3/16 ,  D01F6/30 ,  D01D5/08

Abstract: The present invention relates to a melt spun fiber comprising a propylene polymer composition comprising a terpolymer of propylene with ethylene comonomer units and alpha-olefin comonomer units having from 4 to 12 carbon atoms, wherein the propylene polymer composition has a melt flow rate MFR (230° C., 2.16 kg) of from 10 to 200 g/10 min and a melting temperature of less than 153° C., a spunbonded nonwoven fabric comprising the melt spun fibers, a process for producing said spunbonded nonwoven fabric, an article comprising said melt spun fiber and/or spunbonded nonwoven fabric, and the use of said terpolymer of propylene with ethylene comonomer units and alpha-olefin comonomer units having from 4 to 12 carbon atoms for increasing the spinnability of melt spun fibers and the mechanical properties of spunbonded nonwoven fabrics.

公开(公告)号：US20200207943A1

公开(公告)日：2020-07-02

申请号：US15753654

申请日：2016-09-23

Applicant: BOREALIS AG

Inventor： Jingbo Wang ,  Joachim Fiebig ,  Henk Van Paridon ,  Markus Gahleitner ,  Georg Grestenberger ,  Jeroen Vanhoutte

IPC: C08K5/01 ,  C08L23/26 ,  D04H1/4291 ,  D04H1/56 ,  D04H1/544 ,  D04H3/007 ,  D04H3/16

Abstract: Melt-blown webs having a widened process window and better barrier properties(3rd drop, cm H2O resp. mbar). The melt-blown webs are made from so-called “controlled rheology” propylene (CR-PP), which has been visbroken without the use of peroxide but with a specific type of visbreaking additive.