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1.
公开(公告)号:US20210309774A1
公开(公告)日:2021-10-07
申请号:US16469034
申请日:2017-12-19
Applicant: BOREALIS AG
Inventor: Luca Boragno , Luigi Resconi , Mattias Hoff , Shital Das , Kauno Alastalo , Markku Vahteri , Friedrich Berger , Davide Tranchida
IPC: C08F210/06 , C08F2/34 , C08F120/02 , C08F210/08
Abstract: The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.
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公开(公告)号:US20210253838A1
公开(公告)日:2021-08-19
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: C08L23/12
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.
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公开(公告)号:US11084919B2
公开(公告)日:2021-08-10
申请号:US16310036
申请日:2017-06-26
Applicant: BOREALIS AG
Inventor: Jingbo Wang , Friedrich Berger , Petar Doshev , Manfred Gruenberger , Martina Sandholzer , Markus Gahleitner
IPC: C08L23/12 , C08F210/16 , C08L23/16
Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (RAHECO) and a propylene homopolymer (H-PP) as well as a process for the preparation of said polypropylene composition and a film obtained from said polypropylene composition (C).
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4.
公开(公告)号:US20190309150A1
公开(公告)日:2019-10-10
申请号:US16464933
申请日:2017-12-19
Applicant: Borealis AG
Inventor: Luca Boragno , Pauli Leskinen , Luigi Resconi , Matthias Hoff , Friedrich Berger
IPC: C08L23/14 , C08F210/06 , C08J5/18 , C08F2/00 , C08F2/34 , C08F210/16
Abstract: The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.
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公开(公告)号:US20190300686A1
公开(公告)日:2019-10-03
申请号:US16308199
申请日:2017-06-20
Applicant: BOREALIS AG
Inventor: Jingbo Wang , Claudia Kniesel , Minna Aarnio-Winterhof , Karlheinz Friedrich , Friedrich Berger
IPC: C08L23/12
Abstract: Polypropylene composition comprising (A) 60 to 95 wt % of a heterophasic polypropylene (HECO) comprising 10 to 30 wt % of dispersed phase with the dispersed phase having a comonomer content of 30 to 45 wt % and the HECO having a melt flow rate MFRPP in the range of 12 to 200 g/10 min and being prepared in the presence of a Ziegler Natta catalyst (ZN-C), (B) 0 to 15 wt % of one or more elastomers, (C) 5 to 20 wt % of at least one filler wherein the polypropylene composition fulfils inequation (1) fogging≤0.02 MFRComp+0.3. The composition allows for a well-balanced combination of a good impact/stiffness balance, a good scratch resistance, low VOC and FOG emissions and remarkable good fogging values.
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6.
公开(公告)号:US11292858B2
公开(公告)日:2022-04-05
申请号:US16469034
申请日:2017-12-19
Applicant: BOREALIS AG
Inventor: Luca Boragno , Luigi Resconi , Mattias Hoff , Shital Das , Kauno Alastalo , Markku Vahteri , Friedrich Berger , Davide Tranchida
IPC: C08F210/06 , C08L23/14 , C08F2/34 , C08F120/02 , C08F210/08 , C08L23/18
Abstract: The invention relates to a polypropylene composition which combines low sealing initiation temperature (SIT) and high melting point (Tm), thus having a broad sealing window.
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公开(公告)号:US20210363314A1
公开(公告)日:2021-11-25
申请号:US17291217
申请日:2019-10-16
Applicant: BOREALIS AG
Inventor: Jingbo Wang , Markus Gahleitner , Friedrich Berger , Klaus Bernreitner , Pauli Leskinen
Abstract: The invention is related to polymer compositions combining high impact strength with good haze and additionally showing good stress whitening resistance.
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公开(公告)号:US20210362479A1
公开(公告)日:2021-11-25
申请号:US17253872
申请日:2019-07-22
Applicant: BOREALIS AG
Inventor: Markus Gahleitner , Jingbo Wang , Friedrich Berger , Manfred Gruenberger
IPC: B32B27/08 , B32B27/32 , B32B27/30 , C08F210/06
Abstract: Multilayer film comprising at least a skin layer, a core layer and an inner layer, the skin layer comprising a homo polypropylene or a random propylene ethylene copolymer including up to 2.5 wt.-% units derived from ethylene, the homopolypropylene or the random propylene ethylene copolymer having a MFR2 (ISO1 133, 230° C.) of 2.0 to 20 g/10 min and a melting temperature (Tm) of above 148° C. measured by DSC according to ISO 11357-3:1999 and a scan rate of 10° C./min; the core layer comprising a mixture obtainable by melt blending 20 to 100 wt.-% of a random heterophasic copolymer and 0 to 80 wt.-% of styrene based TPE, whereby the random heterophasic copolymer has a melting temperature (Tm) of 134° C.-148° C. measured by DSC according to ISO 11357-3:1999 and a scan rate of 10° C./min and includes a propylene ethylene copolymer rubber; and whereby the styrene based TPE has a styrene content of from 5 to 20 wt.-%, and the inner layer comprising a random propylene ethylene copolymer having a melting temperature (Tm) from 132° C. to 144° C. measured by DSC according to ISO 11357-3:1999 and a scan rate of 10° C./min, wherein the multilayer film is free of phthalic acid esters as well as decomposition products thereof.
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公开(公告)号:US20200308385A1
公开(公告)日:2020-10-01
申请号:US16631498
申请日:2018-09-12
Applicant: BOREALIS AG
Inventor: Markus Gahleitner , Jingbo Wang , Klaus Bernreitner , Peter Niedersüss , Friedrich Berger , Stefan Ortner
Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack, good optical properties, like low haze and its use, and improved stiffness/impact balance.
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公开(公告)号:US10781303B2
公开(公告)日:2020-09-22
申请号:US16078573
申请日:2017-03-01
Applicant: BOREALIS AG
Inventor: Claudia Kniesel , Minna Aarnio-Winterhof , Karlheinz Friedrich , Markus Gahleitner , Friedrich Berger
IPC: C08L23/12 , C08F2/00 , C08F4/646 , C08F210/16 , C08L23/16
Abstract: High flow nucleated heterophasic polyolefin compositions comprising a matrix comprising a propylene homo- and/or copolymer and an elastomeric alpha-olefin copolymer phase dispersed in the matrix, which have rather high melt flow rate, improved impact strength but also an excellent impact/stiffness balance and a process for the preparation of such a heterophasic polyolefin composition, articles made therefrom and uses of the heterophasic polyolefin composition.
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