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1. 发明申请

WO2023031241A1 A HOMOPOLYMER-RANDOM COPOLYMER BLEND HAVING A BENEFICIAL BALANCE OF OPTICAL AND MECHANICAL PROPERTIES 审中-公开
公开(公告)号：WO2023031241A1
公开(公告)日：2023-03-09
申请号：PCT/EP2022/074146
申请日：2022-08-31
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli
IPC分类号： C08L23/14
摘要： A monophasic polypropylene composition (PC), having a melt flow rate (MFR2) of 1.0 to 50.0 g/10 min, comprising: a) 55.0 to 95.0 wt.-% of a random copolymer of propylene (R-PP) having an MFR2 of 1.0 to 30.0 g/10 min, a comonomer content of 0.5 to 6.0 mol-%, and a content of 2,1-regiodefects of 0.1 to 1.4 mol-%; and b) 5.0 to 45.0 wt.-% of a propylene homopolymer composition (H-PP), comprising a reactor blend of a propylene homopolymer and a polymeric nucleating agent that is present in an amount of 20 to 300 wt-ppm, wherein the propylene homopolymer composition (H-PP) has an MFR2 of 10 to 100 g/10 min and is free from 2,1-regiodefects; wherein the combined weight of the random copolymer of propylene (R-PP) and the propylene homopolymer composition (H-PP) is at least 95 wt.-%.

2. 发明申请

WO2023006423A1 Process for reducing the VOC content of a polyolefin composition 审中-公开
公开(公告)号：WO2023006423A1
公开(公告)日：2023-02-02
申请号：PCT/EP2022/069569
申请日：2022-07-13
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli , POTTER, Elisabeth
IPC分类号： C08F6/00 , C08L23/14
摘要： 31 ABSTRACT The present invention relates to a process for reducing the volatile organic compound (VOC, VDA 278 October 2011) content of a polyolefin composition, the polyolefin composition including a polypropylene homopolymer, a polypropylene copolymer, a polyethylene homopolymer, and/or a polyethylene copolymer, the process comprising the steps of a) subjecting the polyolefin composition having a VOC (VOC, VDA 278 October 2011) content, which is contained in an aeration vessel, to an aeration gas flow, and maintaining said aeration gas flow for an aeration time of 15 hours or less the aeration gas having a minimum temperature of at least 20°C measured at an inlet of the aeration gas of the aeration vessel, and a maximum temperature of 99°C measured at an inlet for aeration gas of the aeration vessel; the aeration vessel having - at least one inlet for aeration gas, - at least one outlet for aeration gas, - an inlet for the polyolefin composition having a VOC content, - an outlet for an aerated polyolefin composition at the bottom of the aeration vessel; wherein the polyolefin composition contains 20 to 55 pieces/g (pellet size 3-5 mm) as measured according to the specification; and wherein the polyolefin composition is present in the aeration vessel as a packed bed; and b) withdrawing the aerated polyolefin composition from the aeration vessel having a VOC content (VOC, VDA 278 October 2011) of not greater than 600 µg/g.

3. 发明申请

WO2022207738A1 POLYMER COMPOSITION SUITABLE FOR MAKING FILMS 审中-公开
公开(公告)号：WO2022207738A1
公开(公告)日：2022-10-06
申请号：PCT/EP2022/058468
申请日：2022-03-30
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli , FRIEDRICH, Karlheinz , NUMMILA-PAKARINEN, Auli
IPC分类号： C08L23/12 , C08F210/06 , C08L2203/162 , C08L2207/02 , C08L2314/06
摘要： The present invention relates to a polymer composition comprising at least the following components: (A) 30.0 to 80.0 wt.-% based on the overall weight of the polymer composition of a single-site catalyst produced C2C3 heterophasic copolymer (HECO); whereby said copolymer has a melting point in the range of 150 to 162°C determined by differential scanning calorimetry according to ISO 11357-3; a MFR2 (230°C, 2.16 kg) determined according to ISO 1133 in the range of 5.0 to 40.0 g/10 min; a total C2-content in the range of 1 to 10 wt.-% based on the overall weight of component (A); and a soluble fraction (SF) based on the total weigh of component (A) in the range of 10 to 50 wt.-% determined according to CRYSTEX QC, Polymer Char as described in the description; 20.0 to 70.0 wt.- % based on the overall weight of the polymer composition of a propylene homopolymer; whereby said propylene homopolymer has a MFR2 (190°C, 2.16 kg) determined according to ISO 1133 in the range of 1.0 to 20.0 g/10 min; and a F30 melt strength determined according to ISO 16790 of at least 10 cN; with the proviso that the weight proportions of components A) and B) add up to 100 wt.-%. Furthermore, the invention relates to a film comprising the polymer composition according to the invention and to coated articles comprising at least one layer comprising said polymer composition.

4. 发明申请

WO2022171800A1 COATED ARTICLE 审中-公开
公开(公告)号：WO2022171800A1
公开(公告)日：2022-08-18
申请号：PCT/EP2022/053375
申请日：2022-02-11
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli , NIEDERSUESS, Peter , NUMMILA-PAKARINEN, Auli , ORTNER, Stefan
IPC分类号： B32B27/08 , B32B27/32
摘要： The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR2 (230°C/2.16kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162°C; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230°C/2.16kg) measured according to ISO 1133 in the range from 4 to 40 g/10min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145°C; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13C NMR; and wherein SL and CL1 are polypropylene-based layers. Furthermore, the present invention refers to a process for manufacturing the coated article and to its use. Another aspect of the present invention relates to a process for recycling the coated article to obtain a recycled polypropylene and to the use of said recycled polypropylene.

5. 发明申请

WO2022043385A1 Polypropylene based film 审中-公开
公开(公告)号：WO2022043385A1
公开(公告)日：2022-03-03
申请号：PCT/EP2021/073521
申请日：2021-08-25
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli , NIEDERSUESS, Peter , ORTNER, Stefan
IPC分类号： C08J5/18 , C08F210/06 , C08F4/659
摘要： The present invention relates to a film, preferably an unoriented film, comprising a polypropylene composition comprising a random copolymer of propylene monomer units and ethylene comonomer units, wherein the random copolymer has a content of ethylene comonomer units of from 0.5 to 4.0 wt%, based on the total weight amount of monomer units in the random copolymer, the polypropylene composition has a melt flow rate MFR2 of from 0.5 to 20.0 g/10 min, determined according to ISO 1133 at a temperature of 230°C and a load of 2.16 kg, and the film has a tensile modulus in machine direction TM-MD in the range of from 450 to 850 MPa, when measured according to ISO 527-3 on a 50 μm monolayer cast film, a process for producing such a film and the use of such a polypropylene composition for the production of a film with an improved balance of properties of tensile modulus and protrusion impact.

6. 发明申请

WO2021254938A1 PRODUCTION OF POLYPROPYLENE WITH LOW VOLATILES 审中-公开
公开(公告)号：WO2021254938A1
公开(公告)日：2021-12-23
申请号：PCT/EP2021/065910
申请日：2021-06-14
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli , GRESTENBERGER, Georg , SELVASANKAR, Ramesh Kumar
IPC分类号： C08F110/06 , C08F8/50 , C08F2/00 , C08F4/659 , C08F4/6592 , C08F2/001 , C08F2420/09 , C08F4/65916 , C08F4/65927
摘要： 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.

7. 发明申请

WO2021233824A1 GLASS FIBER REINFORCED COMPOSITE WITH NARROW MWD POLYPROPYLENE 审中-公开
公开(公告)号：WO2021233824A1
公开(公告)日：2021-11-25
申请号：PCT/EP2021/062991
申请日：2021-05-17
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli , GRESTENBERGER, Georg
IPC分类号： C08F4/6592 , C08F110/06 , C08J3/03 , C08J3/05
摘要： Fiber reinforced composite comprising a polypropylene with high melting temperature and very narrow molecular weight distribution.

8. 发明申请

WO2021233770A1 BLOWN FILMS WITH IMPROVED PROPERTY PROFILE 审中-公开
公开(公告)号：WO2021233770A1
公开(公告)日：2021-11-25
申请号：PCT/EP2021/062801
申请日：2021-05-14
申请人： BOREALIS AG
发明人： WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus , LESKINEN, Pauli
IPC分类号： B29C48/00 , B32B27/06 , C08F4/659 , C08F210/06 , C08J5/18 , C08L23/14
摘要： Blown films based on a blend of a C2C3 random copolymer and a C2-based plastomer, which combine low sealing initiation temperature (SIT), good optical properties and an improved stiffness/impact balance, and which also show an excellent sterilization behaviour.

9. 发明申请

WO2019215156A1 HETEROPHASIC POLYPROPYLENE WITH PROPYLENE HEXENE RANDOM COPOLYMER AS MATRIX 审中-公开
公开(公告)号：WO2019215156A1
公开(公告)日：2019-11-14
申请号：PCT/EP2019/061689
申请日：2019-05-07
申请人： BOREALIS AG
发明人： GAHLEITNER, Markus , WANG, Jingbo , BERNREITNER, Klaus , LESKINEN, Pauli , LILJA, Johanna
IPC分类号： C08L23/14 , C08L23/04
摘要： The present invention is directed to a heterophasic polypropylene composition with improved sterilization resistance and optical properties for blow molding applications, in particular for use in the blow-fill-seal process for preparing bottles. The present invention is further directed to a process for producing such a polypropylene composition using a single-site catalyst and to a container produced from such a polypropylene composition by blow molding, like a bottle, in particular a blow-fill-seal bottle, with improved haze before and after sterilization. The polypropylene composition comprises a blend of a propylene copolymer comprising 2.5 to 12.0 wt% of 1-hexene as a comonomer, and having a melt flow rate MFR 2 of 0.5 to 20.0 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR 2 of 0.05 to 30.0 g/10 min and a density of 850 to 940 kg/m 3 , wherein the xylene cold solubles (XCS) content of the polypropylene composition is from 5.0 to 30.0 wt%.

10. 发明申请

WO2019215125A1 POLYPROPYLENE-ULTRAHIGH-MOLECULAR-WEIGHT-POLYETHYLENE COMPOSITION 审中-公开
公开(公告)号：WO2019215125A1
公开(公告)日：2019-11-14
申请号：PCT/EP2019/061646
申请日：2019-05-07
申请人： BOREALIS AG
发明人： LESKINEN, Pauli , WANG, Jingbo , GAHLEITNER, Markus , BERNREITNER, Klaus
IPC分类号： C08F210/06 , C08L23/14 , C08F2/00
摘要： 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 (2.16kg, 230°C, IS01133), - units derived from 1-hexene in an amount of at least 1.80 wt.-%, and - a XS according to IS016152 of less than 5.0 wt.-% all weight percentages with respect to the total PP/UHMW-PE composition.

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