Patents Assigned to Borealis AG
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Patent number: 11674017Abstract: The invention relates to a cable comprising layer(s), which layer(s) is/are obtained from a polymer composition comprising a polyethylene, a crosslinking agent and antioxidant(s), characterized in that the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.12, when measured prior to crosslinking according to method ASTM D6248-98, the crosslinking agent is present in an amount which is Z wt %, prior to crosslinking, based on the total amount (100 wt %) of the polymer composition, and Z1?Z?Z2, wherein Z1 is 0.005 and Z2 is 2.0, and that the antioxidant(s) is/are nitrogen containing antioxidant(s) being present in an amount which is W wt %, prior to crosslinking, based on the total amount (100 wt %) of the polymer composition, and W1?W?W2, wherein W1 is 0.005 and W2 is 1.0, the cable, e.g.Type: GrantFiled: December 18, 2018Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
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Patent number: 11674027Abstract: A polyethylene-polypropylene composition obtainable by blending a) 80 to 97 wt.-% of a blend (A) comprising A-1) polypropylene and A-2) polyethylene, wherein the ratio of polypropylene to polyethylene is from 3:7 to 13:7, and wherein blend (A) is a recycled material, which is recovered from a waste plastic material derived from post-consumer and/or post-industrial waste; and b) 3 to 20 wt.-% of a compatibilizer (B) being a heterophasic random copolymer comprising a random polypropylene copolymer matrix phase and an elastomer phase dispersed therein, whereby the heterophasic random copolymer has—a xylene insolubles content (XCI) of from 65 to 88 wt.-% (ISO 16152, led, 25° C.), and—a xylene soluble content XCS of 12 to 35 wt.-% (ISO 16152, led, 25° C.), the XCS fraction having an intrinsic viscosity (measured in decalin according to DIN ISO 1628/1 at 135° C.) of 1.2 dl/g to less than 3.0 dl/g, and—a flexural modulus of from 300 to 600 MPa (ISO 178, measured on injection moulded specimens, 23° C.Type: GrantFiled: October 2, 2019Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Susanne Kahlen, Michael Jerabek
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Patent number: 11674025Abstract: The present invention relates to a new composite comprising glass or carbon fibers and polymer-based fibers as well as to a process for the preparation of the composite and molded articles made from said composite.Type: GrantFiled: May 5, 2020Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Thomas Lummerstorfer, Michael Jerabek, Stefan Hochradi, Claudia Pretschuh, Karoly Renner, Lukas Sobczak, Wolfgang Stockreiter, Bela Pukanszky, Janos Moczo
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Patent number: 11674016Abstract: The invention relates to a polymer composition comprising a polyethylene, a crosslinking agent and antioxidant(s), wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B1?B, wherein B1 is 0.12, when measured prior to crosslinking according to method ASTM D6248-98, the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z1?Z?Z2, wherein Z1 is 0.005 and Z2 is 2.0, and the antioxidant(s) is/are nitrogen containing antioxidant(s) being present in an amount which is W wt %, based on the total amount (100 wt %) of the polymer composition, and W1?W?W2, wherein W1 is 0.005 and W2 is 1.0, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.Type: GrantFiled: December 18, 2018Date of Patent: June 13, 2023Assignee: BOREALIS AGInventors: Villgot Englund, Virginie Eriksson, Daniel Nilsson, Annika Smedberg
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Patent number: 11668033Abstract: High quality melt-blown webs having improved barrier properties (3rd drop, cm H2O resp. mbar) and a widened process window. The melt-blown webs show a specific chain structure.Type: GrantFiled: June 8, 2017Date of Patent: June 6, 2023Assignee: BOREALIS AGInventors: Lisa Maria Steiner, Gerhard Hubner, Jingbo Wang, Markus Gahleitner, Georg Grestenberger, Joachim Fiebig
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Patent number: 11661503Abstract: The present invention relates to a cross-linkable polyolefin composition comprising a first olefin polymer (A) comprising a first comonomer comprising epoxy groups, and a second olefin polymer (B) comprising a second comonomer comprising carboxylic acid groups and/or precursor thereof.Type: GrantFiled: May 23, 2019Date of Patent: May 30, 2023Assignee: BOREALIS AGInventors: Oscar Prieto, Denis Yalalov, Massimiliano Mauri, Christian Müller, Anna Peterson
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Patent number: 11648722Abstract: The invention relates to a process for removal of volatile components from an olefin polymer, the process carried out in an extruder comprising at least one vacuum degassing zone, said process comprising the steps of: (a) introducing a stream of an olefin polymer into the extruder; (b) extruding the olefin polymer in the extruder at a temperature which is higher than the melting temperature of the olefin polymer but lower than the decomposition temperature of the olefin polymer, thereby producing an olefin polymer melt having reduced amount of volatile components, wherein the process in the extruder has a residence time distribution broadness (?2) in the range of 800 to 4000 as define by equation (1) wherein: ?2 is the residence time distribution broadness, T is the mean residence time, t is the interval of residence time a fluid element of the olefin polymer spends in the extruder, E(t) is the residence time distribution function, and wherein the process optionally comprises a step (c) where the melt of theType: GrantFiled: May 25, 2018Date of Patent: May 16, 2023Assignee: Borealis AGInventors: Velichko Hristov, Mohammad Al-Haj Ali
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Patent number: 11643537Abstract: 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.Type: GrantFiled: August 23, 2019Date of Patent: May 9, 2023Assignee: BOREALIS AGInventors: Jingbo Wang, Friedrich Berger, Daniela Mileva, Georg Grestenberger, Markus Gahleitner
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Patent number: 11643427Abstract: A complex of formula (I): (I?) M is Hf; each X is a sigma ligand; L is a bridge of formula -(ER82)y—; y is 1 or 2; E is C or Si; each R8 is independently a C1-C20-hydrocarbyl, tri(C1-C20-alkyl)silyl, C6-C20-aryl, C7-C20-arylalkyl or C7-C20-alkylaryl or L is an alkylene group such as methylene or ethylene; Ar and Ar? are each independently an aryl or heteroaryl group optionally substituted by 1 to 3 groups R1 or R1? respectively; R1 and R1? are each independently the same or can be different and are a linear or branched C1-C6-alkyl group, C7-20 arylalkyl, C7-20 alkylaryl group or C6-20 aryl group with the proviso that if there are four or more R1 and R1? groups present in total, one or more of R1 and R1? is other than tert butyl; R2 and R2? are the same or are different and are a CH2—R9 group, with R9 being H or linear or branched C1-C6-alkyl group, C3-8 cycloalkyl group, C6-10 aryl group; each R is a —CH2—, —CHRx- or C(Rx)2- group wherein Rx is C1-4 alkyl and where m is 2-6; R5 is a linear or branched C1-C6-aType: GrantFiled: June 28, 2019Date of Patent: May 9, 2023Assignee: BOREALIS AGInventors: Noureddine Ajellal, Ville Virkkunen, Luigi Maria Cristoforo Resconi, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Alexander Z. Voskoboynikov, Jingbo Wang, Simon Schwarzenberger, Wilfried Peter Töltsch
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Patent number: 11639399Abstract: Catalyst system for producing ethylene copolymers in a high temperature solution process, the catalyst system comprising (i) a metallocene complex of formula (I) M is Hf or a mixture with Zr, provided that more than 50% by moles of the complex of Formula I has M=Hf X is a sigma ligand R are the same or different from each other and can be saturated linear or branched C1-C10 alkyl, C5-C10 aryl, C6-C20 alkylaryl or C6-C20 arylalkyl groups, which can optionally contain up to 2 heteroatoms or silicon atoms R1 is a C6-C20-aryl, which can be unsubstituted or substituted by one or up to 5 linear or branched C1-C10 alkyl group(s) R2 is a saturated linear or cyclic C3-C20 alkyl group or a branched CR3R4R5 group, wherein R3 is hydrogen or an C1-C20 alkyl group and R4 and R5 are the same or are different and can be an C1-C20 alkyl group and (ii) a boron containing cocatalyst.Type: GrantFiled: June 23, 2022Date of Patent: May 2, 2023Assignee: BOREALIS AGInventors: Noureddine Ajellal, Anna Fait, Luigi Resconi, Vyatcheslav Izmer, Dmitry Kononovich, Alexander Voskoboynikov, Rafael Sablong, Timo Sciarone
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Patent number: 11634571Abstract: 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).Type: GrantFiled: April 20, 2021Date of Patent: April 25, 2023Assignee: Borealis AGInventors: Markus Gahleitner, Jingbo Wang, Carl-Gustaf Ek, Klaus Bernreitner
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Patent number: 11618794Abstract: The present invention relates to a propylene polymer composition comprising a long chain branched propylene polymer, wherein said propylene polymer composition has a) a crystallization temperature Tc of less than 115° C., b) a melting temperature Tm of less than 155° C. c) a F30 melt strength of from 5.0 to less than 30.0 cN, and d) a V30 melting extensibility of more than 190 mm/s, a process for producing said propylene polymer composition by reactive modification of a propylene polymer in the presence of a peroxide, an article comprising said propylene polymer composition, the use of said propylene polymer composition for producing an article.Type: GrantFiled: June 19, 2020Date of Patent: April 4, 2023Assignee: BOREALIS AGInventors: Jingbo Wang, Markus Gahleitner, Pauli Leskinen, Klaus Bernreitner, Katja Ellen Klimke, Markku Vahteri
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Patent number: 11618795Abstract: The present invention relates to a multimodal ethylene copolymer composition having a density of 920 to 949 kg/m3 and a flexural modulus, wherein said flexural modulus is following the equation: Flexural modulus [MPa]<21.35·density [kg/m3]?19585 [1]. The multimodal ethylene copolymer composition according to the invention can be used in a highly flexible cable jacket, preferably a power cable jacket.Type: GrantFiled: April 21, 2021Date of Patent: April 4, 2023Assignee: BOREALIS AGInventors: Anna Hjärtfors, Yi Liu, Ravindra Tupe, Victor Sumerin
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Patent number: 11613633Abstract: The invention provides a polymer composition comprising a) a low density polyethylene (LDPE); and b) a conjugated aromatic polymer. The invention also relates to cables comprising said polymer composition and the use of the polymer composition in the manufacture of an insulation layer of cable.Type: GrantFiled: June 20, 2017Date of Patent: March 28, 2023Assignee: Borealis AGInventors: Per-Ola Hagstrand, Thomas Gkourmpis, Antonios Gitsas, Mattias Andersson, Christian Müller
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Patent number: 11603418Abstract: The present invention relates to a process for reducing the volatile organic compound (VOC) content of plastomers the process comprising the steps of subjecting the plastomer in granular form containing VOCs which is contained in an aeration vessel to a gasflow, and withdrawing granular plastomer from the aeration vessel which has a lower content of VOCs, wherein the average particle size of the granular plastomer is greater than 2.5 mm, preferably greater than 2.7 mm, more preferably greater than 3.0 mm, wherein the gas has a minimum temperature of at least 26° C. measured at a gas inlet of the aeration vessel, and a maximum temperature of 4° C. below the Vicat temperature (10N, ISO 306) of the granular plastomer or 35° C. measured at the gas inlet of the aeration vessel, whatever value is lower, and wherein at least a part of the withdrawn granular plastomer is recirculated to the aeration vessel.Type: GrantFiled: May 28, 2019Date of Patent: March 14, 2023Assignee: Borealis AGInventors: Mohammad Al-Haj Ali, Michiel Bergstra, Charlotta Weber, Gert Stijnen
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Patent number: 11591444Abstract: The present invention refers to a structure comprising a biaxially oriented polypropylene (BOPP) film having at least one layer comprising a homopolymer of propylene which layer is in contact with an oil phase, the homopolymer of propylene has a) a content of isotactic pentads in the range from 95% to 98%, and b) a content of ash of not more than 30 ppm, based on the total weight of the homopolymer of propylene, characterized in that the oil phase has an absorbance value of ?0.1, relative to the pure oil, as determined spectrophotometrically at a wavelength of 860 nm by the reduction of transmitted light intensity. The present invention further refers to the use of a biaxially oriented polypropylene (BOPP) film for making capacitors comprising said structure, wherein the oil phase has an absorbance value of ?0.Type: GrantFiled: October 24, 2017Date of Patent: February 28, 2023Assignee: Borealis AGInventors: Franciscus Jacobs, Guido Boelaers, Dietrich Gloger, Helmut Rinnerthaler
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Patent number: 11591455Abstract: The present invention relates to a cable jacket composition comprising a multimodal olefin copolymer, wherein said olefin copolymer has a density of 0.935-0.960 g/cm3 and MFR2 of 1.5-10.0 g/10 min and comprises a bimodal polymer mixture of a low molecular weight homo- or copolymer and a high molecular weight copolymer wherein the composition has ESCR of at least 2000 hours and wherein the numerical values of cable wear index and composition MFR2 (g/10 min) follow the correlation: Wear index<15.500+0.900*composition MFR2. The invention further relates to the process for preparing said composition and its use as outer jacket layer for a cable, preferably a communication cable, most preferably a fiber optic cable.Type: GrantFiled: April 6, 2018Date of Patent: February 28, 2023Assignee: BOREALIS AGInventors: Anna Hjärtfors, Yi Liu, Victor Sumerin, Joseph Thorman
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Patent number: 11584834Abstract: The present invention is directed to granules comprising a fiber reinforced composition (C), said composition comprising a propylene polymer (PP), an elastomeric ethylene copolymer (E) and short fibers (SF). Further, the present invention is directed to an article comprising said fiber reinforced composition (C).Type: GrantFiled: December 4, 2018Date of Patent: February 21, 2023Assignee: BOREALIS AGInventors: Michael Jerabek, Wolfgang Stockreiter, Thomas Lummerstorfer
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PROCESS FOR AVOIDING PHASE SEPARATION DURING SOLUTION POLYMERIZATION OF ETHYLENE-1-OCTENE COPOLYMERS
Publication number: 20230047329Abstract: The present invention relates to a process for polymerizing ethylene-1-octene copolymers in a solution polymerization process by firstly modelling polymer systems for solution polymerization of ethylene-1-octene copolymers and then transferring pressure and temperature conditions from said modelled polymer systems to a solution polymerization process to ensure that the polymerized ethylene-1-octene copolymer is completely solved in the solvent during the polymerization process.Type: ApplicationFiled: January 7, 2021Publication date: February 16, 2023Applicant: Borealis AGInventor: Mohammad AL-HAJ ALI -
PROCESS FOR AVOIDING PHASE SEPARATION DURING SOLUTION POLYMERIZATION OF ETHYLENE-1-BUTENE COPOLYMERS
Publication number: 20230046086Abstract: The present invention relates to a process for polymerizing ethylene-1-butene copolymers in a solution polymerization process by firstly modelling polymer systems for solution polymerization of ethylene-1-butene copolymers and then transferring pressure and temperature conditions from said modelled polymer systems to a solution polymerization process to ensure that the polymerized ethylene-1-butene copolymer is completely solved in the solvent during the polymerization process.Type: ApplicationFiled: January 7, 2021Publication date: February 16, 2023Applicant: Borealis AGInventors: Mohammad AL-HAJ ALI, Noureddine AJELLAL