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Borealis AG

Borealis AG Patent applications
Patent application numberTitlePublished
20160137761PROCESS FOR PRODUCTION OF POLYPROPYLENE WITH HIGH POLYDISPERSITY - Process for the preparation of polypropylene in a polymerization process, said comprises a pre-polymerization reactor and at least one polymerization reactor, wherein said process leads to polypropylene with broad molecular weight distribution.05-19-2016
20160122448POLYETHYLENE COMPOSITION FOR PIPE AND PIPE COATING APPLICATIONS - The present application relates to a polyethylene composition comprising a base resin being a copolymer of ethylene with at least one alpha olefin comonomer having from 3 to 12 carbon atoms, the base resin having a density of more than 940.0 kg/m05-05-2016
20160115266PROCESS FOR THE PREPARATION OF A PROPYLENE POLYMER - A process for the preparation of a propylene polymer in a multistage polymerisation process in the presence of a single site catalyst, said process comprising: (I) in a prepolymerisation step prepolymerising a single site catalyst in the presence of propylene and optionally at least one C2-10 alpha olefin comonomer and in the presence of hydrogen or in the absence of hydrogen; (II) in a slurry polymerisation step, polymerising propylene and optionally at least one C2-10 alpha olefin comonomer, with the pre-polymerised catalyst of step (I) in the presence of hydrogen; and subsequently (III) in a gas polymerisation step polymerising propylene and optionally at least one C2-10 alpha olefin comonomer, in the presence of catalyst and polymer from step (II) and optionally in the presence of hydrogen so as to form a propylene homopolymer or copolymer; wherein the amount of hydrogen fed to the pre-polymerisation step (I) is at most 15% of the total amount of hydrogen fed to steps (I) and (II) of the polymerisation process.04-28-2016
20160108220ONE-STEP PRODUCTION OF A POLYPROPYLENE COMPOSITION - The present invention relates to a process for providing a polypropylene composition comprising a branched polypropylene (b-PP), a polypropylene composition as well as a film comprising the polypropylene composition.04-21-2016
20160108219STIFF POLYPROPYLENE COMPOSITION SUITABLE FOR PRIMERLESS PAINTING - The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) as well as the use of the polypropylene composition (C) to reduce paintability failure of a molded article.04-21-2016
20160060371PROPYLENE COPOLYMER WITH HIGH IMPACT PROPORTIES - Monophasic propylene copolymer with high stiffness and impact resistance.03-03-2016
20160024288PROPYLENE RANDOM COPOLYMER COMPOSITION FOR PIPE APPLICATIONS - The present invention relates to a polypropylene composition comprising a propylene random copolymer (A) with at least one comonomer selected from alpha-olefins with 2 or 4 to 8 carbon atoms and a nucleating agent (B), wherein the polypropylene composition has a polydispersity index (PI) of from 2.0 to 7.0, a melt flow rate MFR01-28-2016
20150315313PROCESS FOR PRODUCING COPOLYMERS OF PROPYLENE - The present invention is directed to a process of polymerizing propylene in at least three stages. In the first, and optionally in the second, polymerization stage propylene, ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms are introduced into the polymerization reactors as fresh monomer feeds. In the third polymerization stage propylene and optionally ethylene is introduced as fresh monomer feed.11-05-2015
20150314509PROCESS FOR MAKING A CROSS-LINKED POLYETHYLENE ARTICLE - The present invention relates to a process for making a cross-linked polyethylene article and to the use of such a process in the production of pipes or cables. The process comprises: (A) feeding a blend comprising a cross-linkable silane-group containing polyethilene copolymer and at least one additive to an extruder, (B) feeding a liquid comprising a silanol condensation catalyst to said extruder to form a mixture with said blend, (C) extruding said mixture to form an article and (D) cross-linking said article.11-05-2015
20150307698TRANSPARENT THIN WALL PACKAGING MATERIAL WITH IMPROVED STIFFNESS AND FLOWABILITY - Heterophasic polypropylene resin having an MFR (2.16 kg, 230° C.) of more than 27 g/10 min, determined according ISO 1133 comprising a propylene homo- or copolymer matrix (A) and an ethylene-propylene rubber phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction insoluble in p-xylene at 25° C. (XCU) in an amount of 75 to 85 wt.-% with a weight average molecular weight of 110 to 190 kg/mol measured by GPC analysis according to ISO 16014-1, and 4, the fraction insoluble in p-xylene at 25° C. (XCU) containing monomer units derived from ethylene in an amount of 12.0 to 21.0 wt.-% and a fraction soluble in p-xylene at 25° C. (XCS) in an amount of 15 to 25 wt.-% having an intrinsic viscosity of 1.4 to 2.0 dl/g, determined according to DIN EN ISO 1628-1 and -3 and being composed of propylene monomer units in an amount of 40 wt.-% or more, and having a glass transition temperature Tg as measured by DSC according to ISO 6721-7 at a compression moulded sample consisting of the XCS fraction in the range of −60 to −50° C.10-29-2015
20150299442HIGH STIFFNESS POLYPROPYLENE COMPOSITIONS - Heterophasic polypropylene composition comprising a propylene homo- or random copolymer matrix phase (A), and an ethylene-propylene copolymer rubber phase (B) dispersed within the matrix phase, the heterophasic polypropylene composition including a fraction soluble in pxylene at 25° C. (XCS fraction) which is present in the resin in an amount of 4 to 14 wt.-%, and a fraction insoluble in p-xylene at 25° C. (XCU fraction) which is present in the resin in an amount of 86 to 96 wt.-%, wherein the heterophasic polypropylene composition has an MFR2, determined according to ISO 1133 at 230° C. and under a load of 2.16 kg, of 4.0 to 8.0 g/10 min; and wherein the heterophasic polypropylene composition has a flexural modulus higher than 1500 MPa measured on an injection moulded specimen with the dimension 80×10×4 mm3 according to ISO 178; and wherein the heterophasic polypropylene composition has a content of monomer units derived from ethylene of 2.0 to 7.0 wt.-%.10-22-2015
20150291785RANDOM PROPYLENE COPOLYMER FOR BOTTLES WITH GOOD OPTICAL PROPERTIES - Propylene copolymer having a melt flow rate MFR10-15-2015
20150284582CABLE CONSTRUCTION - The present invention relates to a cable construction comprising one or more layer elements, which layer elements comprise a first composition, wherein the first composition comprises: 20 to 80 weight percent of a vinyl chloride resin and 1 to 40 weight percent of an epoxidized ester of fatty acids and a monomeric polyol, which epoxidized ester is a compound of formula (I) wherein the compound of formula (I) has an amount of double bonds corresponding to an Iodine value of 2 or less, a power cable, process for producing a cable construction, and a crosslinked cable construction obtainable by the process.10-08-2015
20150267014HIGH ISOTACTIV PP RESIN WITH WIDE MELTING DISTRIBUTION HAVING IMPROVED BOPP FILM PROPERTIES AND EASY PROCESSING CHARACTERISTICS - The present invention relates to a new biaxially oriented polypropylene (BOPP) film, a process for the preparation of such film as well as the use of a polypropylene for the preparation of such film and an article comprising such film.09-24-2015
20150266979CATALYST - A catalyst comprising (i) a metallocene complex of a group (IV) metal said metallocene comprising at least two cyclopentadienyl type ligands; (ii) a boron cocatalyst; and (iii) an aluminoxane cocatalyst; said catalyst being in solid form, preferably in solid particulate form, and being free from an external carrier.09-24-2015
20150218295REACTOR ASSEMBLY AND METHOD FOR POLYMERIZATION OF OLEFINS - Reactor assembly for the production of polymers including a fluidized bed reactor and method for operating the reactor assembly.08-06-2015
20150210785ETHYLENE POLYMERS FOR EXTRUSION COATING - The present invention relates to low density polyethylene having a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) which is higher than 4.0 g/10 min, a storage modulus G′, measured at a loss modulus G″ of 5 kPa, which is above 3000 Pa and a vinylidene content which is at least 24/100 k C, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection moulding article, blow moulding article or pipe extrusion article, and uses of the low density polyethylene.07-30-2015
20150112007FLAME RETARDANT POLYMER COMPOSITION - The present invention relates to a flame retardant polymer composition comprising a crosslinkable terpolymer comprising ethylene monomer units, a silane group containing comonomer units and comonomer units comprising a polar group; a metal carbonate filler and a silicone fluid or gum; wherein the content of the comonomer units comprising a polar group is between 2 and 25 wt % of the terpolymer and the content of the silane group containing comonomer units is between 0.2 and 4 wt % of the terpolymer. The present invention is also directed to the process for the production of the polymer composition, to a cable and/or to an electrical device having a layer comprising said polymer composition, and uses thereof.04-23-2015
20150090671USE OF AN ACID SCAVENGER TO INCREASE THE RESISTANCE OF A POLYOLEFIN COMPOSITION AGAINST DISINFECTANT CONTAINING WATER - The present invention relates to the use of an acid scavenger to increase the resistance of a polyolefin composition against disinfectant containing water. The present invention further relates to a method for transporting water containing a disinfectant comprising the step of conveying the water through a pipe comprising a polyolefin composition, the polyolefin composition comprising an acid scavenger.04-02-2015
20150073104HIGH-PRESSURE RADIAL ETHYLENE POLYMERIZATION PROCESS IN WHICH ETHYLENE IS POLYMERIZED WITH A SPECIFIC POLYUNSATURATED OLEFIN GRADE - The present invention relates to a high-pressure radical ethylene polymerization process in which ethylene is polymerized with a polyunsaturated olefin comprising at least 6 carbon atoms and at least two non-conjugated double bonds of which at least one is terminal, characterized in that a polyunsaturated olefin grade is used as a starting material which yields a percentage of less than 6.3% in the zero conversion test or which has a decomposition temperature as measured by DSC of 130° C. or more.03-12-2015
20150068943Collation Shrink Films - A process for collation shrink wrapping an object that may include a number of individual product containers, preferably substantially identical product containers. The process may include the steps of (i) obtaining a collation shrink film that may include a multimodal linear low density polyethylene (LLDPE), the film being a stretched film that is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3, (ii) wrapping the object in the film, and (iii) heating the object wrapped in the film in order to collation shrink the film around the object.03-12-2015
20150065653CATALYST MASTERBATCH - The present invention relates to a catalyst masterbatch for cross-linking a polyolefin comprising cross-linkable silicon-containing groups comprising 03-05-2015
20150065640Adhesive Propylene Polymer Composition Suitable for Extrusion Coating of Paper Substrates - Two-component adhesion composition suitable for extrusion coating paper substrates comprising: 03-05-2015
20150064487Adhesive Propylene Polymer Composition Suitable for Extrusion Coating of Paper Substrates - Two-component adhesion composition suitable for extrusion coating paper substrates which comprises: 03-05-2015
20150057407ADDITIVE MASTERBATCH WITH A C3-C5 ALPHA-OLEFIN HOMO- OR COPOLYMER IN THE CARRIER - The present invention relates to a polyethylene composition comprising: a) a polyethylene having cross-linkable silicon-containing groups (A); and b) a masterbatch comprising—one or more additives; and—a carrier comprising a C02-26-2015
20150051364MULTIMODAL POLYMER - A multimodal ethylene copolymer with a density of at least 940 kg/m02-19-2015
20150038655HIGH-PRESSURE RADICAL ETHYLENE CO-POLYMERIZATION PROCESS WITH A REDUCED TEMPERATURE OF THE REACTION MIXTURE PRIOR TO INTRODUCTION INTO THE REACTION ZONE - The present invention relates to a high-pressure radical ethylene polymerization process in which ethylene is polymerized with a polyunsaturated olefin comprising at least 6 carbon atoms and at least two non-conjugated double bonds of which at least one is terminal; and/or an alpha-omega-divinylsiloxane according to Formula (I) wherein R02-05-2015
20140371371TALC CONTAINING POLYPROPYLENE COMPOSITION WITH EXCELLENT THERMOMECHANICAL PROPERTIES - The invention pertains to a polypropylene composition consisting of: 55 to 79 wt % base polymer mix; 18 to 44.5 wt % talc; and 0.5 to 3 wt % additives based on the total weight of the polypropylene composition, the base polymer mix containing a XCU fraction and a XCS fraction and the XCU fraction being present in an amount of 91 to 98 wt % and the XCS fraction being present in an amount of 2 to 9 wt %; the base polymer mix containing a comonomer content of less than 5 wt % with respect to the base polymer mix; the talc having a d50 median particle size of 1.0 to 3.0 μm when measured according to ISO 13317-3 15 using a Sedigraph; and the composition having a MFR (230° C./2.16 kg; ISO 1133) of 1 to 10 g/10 min a process for the production of such a polypropylene composition and article comprising said polypropylene composition.12-18-2014
20140350157COMPOSITON WITH IMPROVED SCRATCH VISIBILITY AND LOW SURFACE TACK - Composition comprising a heterophasic propylene copolymer and two different slip agents, namely—a fatty acid amid derivative of formula (I) wherein R11-27-2014
20140343230INCREASED OUTPUT OF A FILM EXTRUSION PROCESS - The invention relates to a process for preparing polypropylene films, a polypropylene film obtained by such a process, use of said polypropylene film as packaging material, an article comprising said polypropylene film as well as to the use of a polypropylene composition to improve the processability of a film production process.11-20-2014
20140329090SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided.11-06-2014
20140316070PROPYLENE COPOLYMER FOR INJECTION MOLDED ARTICLES OR FILMS - Propylene copolymer having a melt flow rate MFR10-23-2014
20140312100PROTECTIVE POLYMER LAYER - The present invention relates to a method of joining polymer coated steel pipes comprising the steps of providing polymer coated pipe segments with an uncoated length on both ends of the segments; welding the polymer coated pipe segments together; applying a curable polymer (A) onto the uncoated length of the welded pipe segments to form an first coating layer; and applying a polymer composition (B) onto the first coating layer to form a topcoat layer with a thickness of 0.5 to 10 mm, wherein the polymer composition (B) has a melt flow rate MFR10-23-2014
20140306484EXTERIOR AUTOMOTIVE ARTICLE WITH REDUCED PAINTABILITY FAILURE - Exterior automotive article comprising a composition comprising a polypropylene, an elastomeric copolymer, and a mineral filler, wherein said polypropylene (PP) has a comonomer content of equal or below 1.0 wt.-%, the comonomers are ethylene and/or at least one C10-16-2014
20140302266POLYOLEFIN PIPE WITH IMPROVED MIGRATION BEHAVIOUR - The present invention relates to a pipe comprising a polyolefin composition with low migration of the used additives and its decomposition products, especially phenolics, out of the composition, at the same time showing good pressure testing performance.10-09-2014
20140296398Use of a Polyolefin Composition for Pipes and Fittings With Increased Resistance to Chlorine Dioxide - The present invention relates to the use of a polyolefin composition for water pipes or fittings with increased resistance to degradation caused by chlorine dioxide-containing water, particularly to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water.10-02-2014
20140295186CABLE COMPRISING A SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention relates to a cable comprising a conductor surrounded by at least one crosslinkable layer comprising a polymer composition which comprises (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to a production process of such cable.10-02-2014
20140275427NEW POLYETHYLENE - The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G′ (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.09-18-2014
20140255657FILM - An asymmetric blown multilayer film comprising at least two layers, an outer polypropylene containing layer and an outer sealing layer; said outer polypropylene layer comprising at least one polypropylene random copolymer; said sealing layer comprising at least one LLDPE having an MFR09-11-2014
20140221584CATALYSTS - A racemic complex of formula (I), wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′08-07-2014
20140220326MULTI-LAYER BIAXIALLY ORIENTED POLYMER FILM - A multi-layer biaxially oriented polymer film comprising a core layer (CL) and at least one sealing layer (SL), said sealing layer(s) (SL) comprise(s) a propylene copolymer composition (P) having a comonomer content in the range of 3.0 to 8.0 wt.-%, the comonomers are C08-07-2014
20140220236PROCESS FOR THE MANUFACTURE OF A CAPACITOR FILM - Process for producing of a capacitor film comprising the steps of (a) polymerizing propylene in the presence of a catalyst comprising a solid catalyst system obtaining a polypropylene, (b) subjecting said polypropylene to a film forming process obtaining a capacitor film, wherein during the polymerization step (a) said catalyst comprising the solid catalyst system fragments into nanosized catalyst fragments being distributed in said polypropylene, said solid catalyst system comprises a transition metal, a metal which is selected from one of the groups 1 to 3 of the periodic table (IUPAC), and an internal electron donor.08-07-2014
20140213719HIGH FLOW POLYOLEFIN COMPOSITION WITH LOW SHRINKAGE AND CLTE - Polyolefin composition comprising (a) a heterophasic propylene copolymer comprising a polypropylene (PP) having a melt flow rate MFR07-31-2014
20140206819HETEROPHASIC COPOLYMERS - A heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %; the heterophasic polypropylene resin has an MFR2 of 0.01 to 50 g/10 min; the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %; the heterophasic polypropylene resin has a notched charpy impact strength at −20 C of at least 25 kJ/m07-24-2014
20140202847REMOVING VOLATILE COMPOUNDS FROM POLYMER GRANULES BY VAPOUR DISTILLATION - The present invention relates to a process for treating polyolefin granules in a treatment vessel comprising the steps of: —Providing a bed of granules in liquid in said treatment vessel —Withdrawing a first stream of liquid from said treatment vessel, wherein said first stream of liquid contains hydrocarboneous compounds —introducing a first stream of vapour into said treatment vessel —Withdrawing a second stream of vapour from said treatment vessel wherein said second stream of vapour contains volatile hydrocarboneous compounds —Recovering the granules from said treatment vessel wherein said first stream of vapour has a temperature from Tb to Tb+10° C., wherein Tb is the boiling point of the liquid at the applied pressure, and said first stream of vapour produces an upwards rising vapour stream in said treatment vessel, the superficial vapour velocity of which is no more than 0.2 m/s, and a plant suitable for conducting said process.07-24-2014
20140199547SEMICONDUCTIVE POLYMER COMPOSITION - The invention relates to a crosslinkable semiconductive polymer composition comprising (a) a polyolefin, carbon black and a compound (b), to a cable, preferably to a crosslinkable comprising the polymer composition, to a production thereof, and preferably to a crosslinked cable comprising the polymer composition of the invention.07-17-2014
20140190723POWER CABLE COMPRISING POLYPROPYLENE - Power cable comprising a conductor surrounded by at least one layer comprising a polypropylene, wherein the polypropylene comprises nanosized catalyst fragments being evenly distributed in said polypropylene.07-10-2014
20140183797CROSS-LINKABLE POLYETHYLENE RESIN FOR PIPES MADE BY A SINGLE-SITE CATALYST - An ethylene polymer with a density of less than 955 kg/m07-03-2014
20140171611METHOD FOR RECOVERING POLYMER AND APPARATUS THEREFOR - Process and apparatus for recovering polymer from a a gas phase reactor having a distribution plate via an outlet vessel comprising at least one apparatus for the breakup of polymeric agglomerates, the apparatus further comprising a feed pipe connecting the gas phase reactor and the outlet vessel a return gas line connecting the gas phase reactor and the outlet vessel, means for varying the flow rate through the return gas line from the outlet vessel to the gas phase reactor, and means for varying the outlet rate of polymer product from the outlet vessel.06-19-2014
20140171606PROCESS FOR THE MANUFACTURE OF ISOTACTIC POLYPROPYLENE - Slurry polymerization process for the preparation of a polypropylene (PP) having a decaline soluble fraction (DS) of equal or below 2.5 wt.-%, wherein (a) a Ziegler-Natta catalyst (ZN), (b) propylene and optionally ethylene and/or an C06-19-2014
20140163145POLYOLEFIN COMPOSITION FOR PIPES AND FITTINGS WITH INCREASED RESISTANCE TO CHLORINE DIOXIDE - The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO06-12-2014
20140163126POLYPROPYLENE FOR FOAM AND POLYPROPYLENE FOAM - The present invention is concerned with a polypropylene composition comprising a polypropylene base resin, the polypropylene composition having —a XHU content of less than 1.25 wt.-%; —a F30 melt strength of at least 30 cN, determined in the Rheotens test at 200° C.; and —a melt extensibility v30 of at least 200 m/s, determined in the Rheotens test at 200° C. In another aspect the present invention is concerned with a polypropylene composition having an MFR (2.16 kg, 230° C., ISO 1133) of 1.0 to 5.0 g/10 min comprising a polypropylene base resin, the polypropylene base resin being obtainable by producing an intermediate polypropylene having an MFR (2.16 kg, 230° C., ISO 1133) of 0.5 to 2.5 g/10 min in the presence of an asymmetric catalyst; mixing the intermediate polypropylene with peroxide and at least one diene at a temperature of 20 to 90° C. for at least 2 minutes to form a pre-mixed material; melt mixing the pre-mixed material in a melt mixing device at a barrel temperature in the range of 180 to 300° C., whereby the melt mixing device is a melt mixing device includes a feed zone, a kneading zone and a die zone, whereby an initial barrel temperature T1 is maintained in the feed zone, a barrel temperature T2 is maintained in the kneading zone and a die barrel temperature T3 is maintained in the die zone, whereby the barrel temperatures T1, T2, and T3 satisfy the following relation: T106-12-2014
20140155547UNORIENTED FILM - Unoriented film comprising at least 70 wt.-% of an heterophasic propylene copolymer, said heterophasic propylene copolymer comprises a matrix being a random propylene copolymer and an elastomeric propylene copolymer dispersed in said matrix, wherein the heterophasic propylene copolymer has (a) a melt flow rate MFR06-05-2014
20140134413MULTI-LAYER CAST FILM - A multi-layer polymer film comprising a core layer and a sealing layer, said sealing layer comprises a propylene copolymer composition, said propylene copolymer composition—has a comonomer content in the range of 3.0 to 8.0 wt.-%, the comonomers are C05-15-2014
20140127505SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the end use thereof.05-08-2014
20140124238Polymer Composition for Electrical Devices - The present invention relates to a use of a polymer composition preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition.05-08-2014
20140113998USE OF CARBON BLACK AND ANTIOXIDANTS FOR REDUCING TASTE AND/OR ODOUR IN A POLYOLEFIN COMPOSITION - The present invention relates to the use of a combination of additives comprising at least two of the following compounds: an antioxidant (A) according to formula (I): wherein R04-24-2014
20140093732Polymer Composition for Electrical Devices - The present invention relates to a polymer composition, to the use of the composition for producing an electrical device, as well as to a cable surrounded by at least one layer including the polymer composition.04-03-2014
20140093730SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the enduse thereof.04-03-2014
20140080991FLEXIBLE REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS - The invention relates to a reactor assembly for the production of polymers including a fluidized bed reactor (03-20-2014
20140079899PROPYLENE-HEXENE RANDOM COPOLYMER PRODUCED IN THE PRESENCE OF A ZIEGLER NATTA CATALYST - Propylene copolymer a. comprising at least 1-hexene as a comonomer, b. having a comonomer content in the range of 1.0 to 3.0 wt.-%, c. having a xylene soluble fraction equal or below 2.5 wt.-%, and d. being partially crystallized in the β-modification.03-20-2014
20140069689Polymer Composition for Electrical Devices - The present invention relates to a polymer composition with improved electrical properties and to a use thereof preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition.03-13-2014
20140069547COATING COMPOSITION - Coating composition comprising an ethylene copolymer containing not more than 5 mole-% comonomer, whereby the fraction of the ethylene copolymer having a molecular weight of 300 000 g/mol-600 000 g/mol has a methyl branching of more than 4.0 Methyl per 1000 C as determined by SEC/FT-IR analysis.03-13-2014
20140058051HIGH THROUGHPUT REACTOR ASSEMBLY FOR POLYMERIZATION OF OLEFINS - Reactor assembly for the production of polymers including a fluidized bed reactor (02-27-2014
20140045994THERMOPLASTIC POLYOLEFINS WITH HIGH FLOWABILITY AND EXCELLENT SURFACE QUALITY PRODUCED BY A MULTISTAGE PROCESS - Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of ≧200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCH02-13-2014
20140042010METHOD FOR RECOVERING TRANSITION METAL TETRAHALIDE AND HYDROCARBONS FROM A WASTE STREAM - The present invention provides a process for recovering transition metal tetrahalides from a waste stream coming from a catalyst manufacturing process by (a) establishing a mixed stream comprising transition metal tetrahalide and transition metal alkoxyhalides; (b) forming a falling liquid film from the mixed stream of step (a) at a temperature of from 25 to 85° C. and an absolute pressure of from 0.05 to 0.6 bar; and (c) establishing from the film of step (b) a first vapour stream containing from 90 to 100% of recoverable components and a second liquid stream containing about 10 to 80% of titanium haloalkoxides.02-13-2014
20140039124SEALING MATERIAL OF POLYPROPYLENE WITH HIGH MELTING TEMPERATURE - Polypropylene composition comprising propylene homopolymer (H-PP) and a propylene copolymer (C-PP), said copolmyer comprises (a) a propylene copolymer fraction (A) having a comonomer content of equal or above 1.0 wt.-%, the comomers are C02-06-2014
20140037879POLYOLEFIN PIPE WITH IMPROVED MIGRATION BEHAVIOUR - The present invention relates to a pipe comprising a polyolefin composition with low migration of the used additives and its decomposition products, especially phenolics, out of the composition, at the same time showing good pressure testing performance.02-06-2014
20140031492SEALING MATERIAL OF POLYPROPYLENE WITH IMPROVED OPTICAL PERFORMANCE - Polypropylene composition comprising a propylene homopolymer having a melt flow rate MFR01-30-2014
20140031480POLYPROPYLENE HOMOPOLYMERS WITH HIGH HEAT DEFLECTION TEMPERATURE, HIGH STIFFNESS AND FLOWABILITY - The invention relates to a polypropylene composition showing a high melt flow rate and simultaneously high stiffness and a process for the production thereof. The invention further relates to a material comprising the inventive polypropylene.01-30-2014
20140024794POLYPROPYLENE WITH LIVING HINGE PROPERTIES - The present invention relates to a polypropylene which has—a melt flow rate MFR(230° C., 2.16 kg) of at least 13 g/10 min,—an amount of xylene solubles XS of 6.0 wt % or less, and—a crystalline fraction, wherein at least 10% of the crystalline fraction melts the temperature range of from 160 to 170° C., as determined by the stepwise isothermal segregation technique (SIST).01-23-2014
20140018506BRIDGED METALLOCENE CATALYSTS - A solid, particulate catalyst comprising: (i) a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R01-16-2014
20130313000POLYMER COMPOSITION - The invention relates to a polymer composition comprising a polyolefin (A) and an antioxidant.11-28-2013
20130309431HETEROPHASIC POLYPROPYLENE WITH EXCELLENT CREEP PERFORMANCE - Heterophasic propylene copolymer comprising (a) a matrix (M) being a polypropylene (PP), said polypropylene (PP) has a polydispersity index (PI) of at least 5.0, and (b) an elastomeric propylene copolymer (EC) dispersed in said matrix (M), wherein (i) said heterophasic propylene copolymer has a melt flow rate MFR11-21-2013
20130303684BOPP FILM WITH HIGH AC BREAKDOWN STRENGTH - Polypropylene composition comprising a polypropylene and an α-nucleating agent, wherein the polypropylene composition has •a comonomer content of equal or below 1.0 wt.-%, •<2,1> erythro regiodefects of more than 0.1 mol.-%, and •at least 9.0 wt-% of a crystalline fraction crystallizing in the temperature range of above 160 to 170° C., wherein said fraction is determined by the stepwise isothermal segregation technique (SIST).11-14-2013
20130289230PROCESS FOR THE PREPARATION OF A SOLID METALLOCENE CATALYST SYSTEM AND ITS USE IN POLYMERISATION OF OLEFINS - Process for the preparation of a solid olefin polymerisation catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) in the form of solid particles comprising the steps of a) preparing a solution (A) comprising ai) a transition metal compound of Formula (I) LmRnMXq (I) wherein “M” is a transition metal of anyone of the groups 3 to 10 of the periodic table (IUPAC 2007), preferably a transition metal of anyone of the groups 4 to 6 of the periodic table (IUPAC 2007), more preferably titanium (Ti), zirconium (Zr) or hafnium (Hf), i.e. zirconium (Zr) or hafnium (Hf), each “X” is independently a monovalent σ-ligand, each “L” is independently an organic ligand which coordinates to the transition metal (M), “R” is a bridging group linking said organic ligands (L), “m” is 2 or 3, preferably 2, “n” is 0, 1 or 2, preferably 1, “q” is 1, 2 or 3, preferably 2, m+q is equal to the valency of the transition metal (M), a2) a cocatalyst comprising an element of group 13 of the Periodic Table (IUPAC 2007), preferably a cocatalyst (Co) comprising a compound of AI and a3) a solvent (A-1), b) preparing a liquid/liquid emulsion system by dispersing the solution (A) in a solvent (B) wherein bi) the solvent (B) constitutes the continuous phase of the emulsion and comprises a nonreactive fluorinated synthetic oil like a perfluoropolyether, a polytrichlorofluoroethylene, a fluorosilicone, or combinations thereof, having a viscosity at 20° C. of at least 10 cSt according to ASTM D445 b2) the solution (A) constitutes in the form of droplets the dispersed phase and b3) the transition metal compound of formula (I) and the cocatalyst (Co) are present in the droplets, c) solidifying said dispersed phase to convert said droplets to solid particles and d) optionally recovering said particles to obtain said catalyst system.10-31-2013
20130289229CATALYSTS - A complex of formula (I): wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′10-31-2013
20130284486POLYMER COMPOSITION AND A POWER CABLE COMPRISING THE POLYMER COMPOSITION - The invention relates to a use of a polymer composition for producing an insulation layer of an AC power cable with and to an AC cable surrounded by at least an insulating layer comprising said polymer composition.10-31-2013
20130267660SOFT HETEROPHASIC PROPYLENE COPOLYMERS - Heterophasic propylene copolymer comprising a) a propylene homo- or copolymer matrix with an MFR 2 of ≧150 g/10 min according to ISO 1133 (230° C., 2.16 kg load) and b) a trimodal elastomeric propylene copolymer dispersed in said matrix, wherein (i) thexylene cold soluble fraction of the heterophasic propylene copolymer at room temperature is present in an amount of 20 to 80 wt % of the of the heterophasic propylene copolymer, (ii) the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity measured according to ISO 1628-1 (at 135° C. in tetraline) of at least 2.5 dl/g (iii) said of the heterophasic propylene copolymer has a flexural modulus lower than 800 MPa according to ISO 178, a melting temperature measured by DSC from 155 to 170° C. and a total ethylene content from 10 to 35 wt %; and a process for its production.10-10-2013
20130253156CATALYST COMPONENT - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form for polymerising olefins, especially ethylene or propylene or comonomers thereof.09-26-2013
20130253152PREPARATION OF A SOLID CATALYST SYSTEM - Process for the preparation of a solid catalyst system (CS) comprising the steps of preparing a liquid clathrate (LC) comprising (a) a lattice (L) being the reaction product of (i) aluminoxane (A), (ii) an organometallic compound (O) of a transition metal (M) of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and (i) a compound (B) being effective to form with the aluminoxane (A) and the organometallic compound (O) the lattice (L), and (b) a guest (G) being an hydro-carbon compound (HC), and subsequently precipitating said liquid clathrate (LC) obtaining said solid catalyst system (SC).09-26-2013
20130253125HIGH FLOW AND STIFF POLYMER MATERIAL WITH GOOD TRANSPARENCY AND IMPACT PROPERTIES - Polypropylene composition having a melt flow rate MFR09-26-2013
20130253124PROPYLENE POLYMER COMPOSITION HAVING SUPERIOR HEXANE EXTRACTABLES/IMPACT BALANCE - Heterophasic polypropylene copolymers having an MFR (2.16 kg, 230° C.) of 15 to 200 g/10 min, determined according to ISO 1133 comprising a propylene homo- or copolymer matrix with an MFR (2.16 kg, 230° C.) of 80 to 500 g/10 min, determined according to ISO 1133 (A) and an ethylene or C09-26-2013
20130245807ITERATIVE PRODUCTION PROCESS CONTROL - An iterative method for controlling and optimizing a production process of at least one of a material and a product formed out of the compound material. Thereby a production control unit is provided and three different parameter groups, namely indicating parameters, nominal parameters and correcting parameters are defined, wherein the indicating and nominal parameters may be selected out of a group comprising process parameters, material recipe parameters and product property parameters. The correcting parameters may be selected out of the group comprising process parameters and recipe parameters. As reference values, nominal parameters are provided to the production control unit. During a first production cycle at least one indicating parameter is measured and the measured values are provided to the unit. If the values deviate to much from the nominal parameters, the unit afterwards sets at least one correcting parameter on basis of the indicating parameter and on basis of the nominal parameter, thereby concerning any interaction between different parameters due to changes of any parameter.09-19-2013
20130245212PREPARATION OF A SOLID CATALYST SYSTEM - Process for the preparation of a solid catalyst system comprising the steps of generating an emulsion by dispersing a liquid clathrate in a solution wherein (i) the solution constitutes the continuous phase of the emulsion and (ii) the liquid clathrate constitutes in form of droplets the dispersed phase of the emulsion, solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering said particles to obtain said catalyst system, wherein the liquid clathrate comprises a lattice being the reaction product of aluminoxane, an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and a further compound being effective to form with the aluminoxane and the organometallic compound the lattice, and a guest being an hydrocarbon compound, and the solution comprises a silicon fluid and a hydrocarbon solvent.09-19-2013
20130237652BIMODAL POLYETHYLENE COMPOSITION FOR INJECTION MOULDED ARTICLES - Bimodal high density polyethylene composition for producing moulded articles comprising —an ethylene homopolymer or an ethylene alpha-olefin copolymer which is a bimodal high density polymer (COMPONENT A) in combination with —an alphanucleating agent (COMPONENT B), —a slip agent being a primary fatty acid amide, (COMPONENT C) and —one or more additives selected from antioxidants, acid scavengers, pigments and UV-stabilisers (COMPONENT D), the composition showing an increased the crystallisation temperature and a decreased coefficient of friction compared to a bimodal HDPE composition prepared with the sole use of nucleating agent and compared to the sole use of a slip agent; and its use for producing injection moulded articles, especially caps and closures.09-12-2013
20130236668POLYPROPYLENE BOTTLES - A polypropylene composition having a melt flow rate MFR09-12-2013
20130220666CABLE COMPRISING A LAYER WHICH IS FORMED OF A COMPOSITION CONTAINING EPOXY-GROUIPS - The invention relates to a cable, comprising a conductor surrounded by one or more layer(s), wherein at least one layer comprises a polyolefin composition comprising, 08-29-2013
20130217845PROCESS FOR OLEFIN POLYMERISATION USING GROUP 4 METALLOCENE AS CATALYSTS - A process for the preparation of a random propylene copolymer comprising polymerising propylene and at least one C2-10 alpha olefin (especially ethylene) in the presence of a catalyst; wherein said catalyst comprises: (i) a complex of formula (I): wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′08-22-2013
20130213688MODIFIED POLYMER COMPOSITIONS, MODIFICATION PROCESS AND FREE RADICAL GENERATING AGENTS FOR I.A. WIRE AND CABLE APPLICATIONS - A compound of formula (I) as defined in claims.08-22-2013
20130212993MELT BLOWN MEDIA FOR AIR FILTRATION - Melt-blown fiber (MBF) comprising a propylene copolymer (PP), wherein the melt-blown fiber (MBF) and/or the propylene copolymer (PP) has/have (a) a melt flow rate MFR08-22-2013
20130210304BREATHABLE NONWOVEN COMPOSITE - Coated nonwoven fabric comprising a nonwoven fabric layer and a coating, said coating comprises a polymer having a branching index g′ of equal or below 0.9.08-15-2013
20130206453SEMICONDUCTIVE POLYOLEFIN COMPOSITION WHICH CONTAINS EPOXY-GROUPS - The invention relates to a semiconductive polyolefin composition comprising, 08-15-2013
20130203931PROPYLENE/1-HEXENE COPOLYMER COMPOSITION WITH LOW SEALING TEMPERATURE - Propylene copolymer composition (P) comprising (a) a propylene copolymer (A) having a comonomer content of at least 1.0 wt.-%, the comomers are C08-08-2013
20130203930COMPOSITION - A composition comprising: (I) 30 to 85 wt % of a polypropylene component comprising a polypropylene copolymer; (II) 5 to 49 wt % of a second component comprising at least one ethylene alkyl (meth)acrylate polymer having a (meth)acrylate content of at least 15 wt %; and (III) 10 to 50 wt % of glass fibres.08-08-2013
20130203908STIFF POLYPROPYLENE COMPOSITION WITH EXCELLENT ELONGATION AT BREAK - Polypropylene composition comprising (a) a high melt strength polypropylene having a melt flow rate MFR2 (230° C.) of equal or below 15 g/lOmin and a branching index g′ of below 1.0, (b) a first heterophasic propylene copolymer comprising a polypropylene having a melt flow rate MFR2 (230° C.) in the range of 50 to 500 g/lOmin and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-% and an intrinsic viscosity (IV) of equal or more than 2.5 dl/g, (c) a second heterophasic propylene copolymer comprising a random propylene copolymer having a melt flow rate MFR2 (230° C.) in the range of 1 to 40 g/lOmin, a branching index g′ of 1.0, and a comonomer content of more than 0.5 wt.-%, and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-%, and an intrinsic viscosity (IV) of equal or below 2.4 dl/g, (d) a polyethylene plastomer having an ethylene content of at least 50 wt.-%, and (e) a mineral filler (F).08-08-2013
20130199820SILANE CROSSLINKABLE POLYMER COMPOSITION - The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided.08-08-2013
20130199817CROSSLINKABLE POLYMER COMPOSITION AND CABLE WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a polymer composition with improved DC electrical properties and to a cable surrounded by at least one layer comprising the polymer composition.08-08-2013
20130197136POLYOLEFIN COMPOSITION FOR WATER PIPES WITH INCREASED RESISTANCE TO CHLORINE DIOXIDE - The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO08-01-2013
20130178586HETEROPHASIC PROPYLENE COPOLYMER WITH EXCELLENT IMPACT/STIFFNESS BALANCE - Heterophasic propylene copolymer comprising a matrix (M) being a polypropylene, said polypropylene comprises at least three polypropylene fractions, the three polypropylene fractions differ from each other by the melt flow rate MFR07-11-2013
20130178573Propylene/1-Hexene Copolymer Composition with Broad Sealing Window - Propylene copolymer composition (P) comprising (a) at least 2.5 wt.-% of units derivable from C5 to C12 α-olefins, (b) at least 20.0 wt-%. of a crystalline fraction having a lamella thickness of more than 5.70 nm, and (c) at least 10.0 wt-%. of a crystalline fraction having a lamella thickness of below than 3.0 nm, said crystalline fractions are determined by the stepwise isothermal segregation technique (SIST).07-11-2013
20130167486MULTILAYER FILM - Multilayer film which comprises a core layer (C) and two outer layers (O—, O-2) sandwiching the core layer, wherein (i) the core layer (C) comprises a bimodal ethylene/1-butene/C07-04-2013
20130161059NEW COMPOSITION AND USE THEREOF - The present invention relates to a new polymer composition suitable for a semiconductive devices. Moreover, the present invention is related to a process for producing said composition as well as to a use of said composition. Further, the invention is also related to an article, preferably a cable, comprising said composition.06-27-2013
20130143996COMPOSITION - A composition comprising: (I) 60 to 92.5 wt % of a first component which is a polypropylene polymer comprising a) 40 to 85 wt % of a propylene polymer A having a melt flow rate (MFR06-06-2013
20130137329MELT BLOWN FIBER - Melt-blown fiber having an average diameter of not more than 5.0 μm, said fiber comprises at least 85 wt.-% of a propylene copolymer, wherein • said melt blown fiber and/or said propylene copolymer has/have a melt flow rate MFR05-30-2013
20130133922NEW COMPOSITION AND USE THEREOF - The present invention relates to a cable comprising a novel semiconductive layer.05-30-2013
20130123431HIGH FLOWABILITY LONG CHAIN BRANCHED POLYPROPYLENE - The present invention relates to a polypropylene composition showing a high melt flow rate and high melt strength while maintaining high impact strength. The composition of the present invention is obtainable by using a low molecular weight linear isotactic polypropylene as melt flow enhancer for a high molecular weight polypropylene having a high melt strength and impact strength. The inventive composition could be used for the production of different articles.05-16-2013
20130123416Polypropylene Composition Suitable for Extrusion Coating - Polypropylene composition comprising a polypropylene base resin whereby the polypropylene base resin has a MFR (2.16 kg, 230° C., ISO 1133) of 8 to 24 g/10 min and a LAOS-NLF>2.8 whereby LAOS−NLF=|/G′05-16-2013
20130123413Automotive Interior Compound - Composition having a melt flow rate MFR05-16-2013
20130116394SOLID PARTICULATE CATALYSTS COMPRISING BRIDGED METALLOCENES - Solid, particulate catalysts comprising bridged his indenyl n-ligands are disclosed, together with methods for the preparation and use thereat for example, in olefin polymerization.05-09-2013
20130116393CATALYST COMPONENT - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form free of conventional phthalate electron donors and the use thereof in a process for polymerising olefins.05-09-2013
20130115471POLYPROPYLENE WITH SPECIFIC CALCIUM STEARATE CONTENT FOR SPECIAL CAPACITORS - Capacitor film comprising a biaxially oriented polypropylene (BOPP) and more than 100 to below or equal 400 ppm of an alkali earth fatty acid salt.05-09-2013
20130087362POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a polymer composition with improved DC electrical properties, to the use of the composition for producing a cable layer and to a cable surrounded by at least one layer comprising the polymer composition.04-11-2013
20130081854POLYMER COMPOSITION FOR W&C APPLICATION WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - The invention relates to a use of a polymer composition with improved DC electrical properties in a power cable layer and to a cable surrounded by at least one layer comprising the polymer composition.04-04-2013
20130045862Process for the Preparation of a Solid Metallocene Catalyst System and its use in Polymerisation of Olefins - Process for the preparation of a solid olefin polymerisation catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) in the form of solid particles comprising the steps of I) generating an emulsion by dispersing a liquid clathrate in a solvent (S) wherein (i) the solvent (S) constitutes the continuous phase of the emulsion and comprises a nonreactive fluorinated synthetic oil having a viscosity at 20° C. according to ASTM D445 of at least 10 cSt up to 2000 cSt (ii) the liquid clathrate constitutes in form of droplets the dispersed phase of the emulsion, II) solidifying said dispersed phase to convert said droplets to solid particles and III) optionally recovering said particles to obtain said catalyst system, wherein the liquid clathrate comprises (a) a lattice being the reaction product of a1) a transition metal compound of formula (I) L02-21-2013
20130037759SEMICONDUCTIVE POLYOLEFIN COMPOSITION COMPRISING CONDUCTIVE FILLER - The present invention relates to a semiconductive polyolefin composition comprising graphene nanoplatelets. It also relates to a semiconductive polyolefin composition comprising the combination of graphene nanoplatelets and carbon black. Moreover, the present invention is related to a process for producing the semiconductive polyolefin composition as well to the use of the semiconductive polyolefin composition in a power cable. Further, the invention is also related to an article, preferably a power cable comprising at least one semiconductive layer comprising said polyolefin composition.02-14-2013
20130032376SEMICONDUCTIVE POLYMER COMPOSITION COMPRISING POLAR COPOLYMER - The present invention relates to a semiconductive polymer composition comprising:—an ethylene copolymer (A) comprising methyl(meth)acrylate co-monomer units, wherein the ethylene copolymer (A) has a melt temperature of 80 ° C. or below, and—carbon black, wherein the ethylene copolymer (A) is produced in a autoclave high pressure reactor or in a multi-feed tubular reactor; to a semiconductive polymer composition comprising—an ethylene copolymer (A) comprising methyl(meth)acrylate, comonomer units; and—carbon black, wherein ethylene copolymer (A) is characterized in that the fraction obtained in the first fractionation step (fraction 1) in the fractionation method of ethylene copolymer (A) as described herein, is present in an amount of not more than 40 wt. % based on the total amount of the ethylene copolymer (A); and to a cable comprising a semiconductive layer comprising the semiconductive polymer composition and to the use of the semiconductive polymer composition in the preparation of a semiconductive layer of a power cable.02-07-2013
20130030125MOULDING COMPOSITION - A polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 920 to 960 kg/m01-31-2013
20130018156CATALYSTSAANM Resconi; LuigiAACI FerrarraAACO ITAAGP Resconi; Luigi Ferrarra ITAANM Castro; PascalAACI HelsinkiAACO FIAAGP Castro; Pascal Helsinki FIAANM Huhtanen; LauriAACI LoviisaAACO FIAAGP Huhtanen; Lauri Loviisa FI - A solid particulate catalyst free from an external carrier comprising:01-17-2013
20130018154POLYETHYLENE MOULDING COMPOSITION WITH IMPROVED STRESS CRACK/STIFFNESS RELATIONSHIP AND IMPACT RESISTANCEAANM Buryak; AndreyAACI LinzAACO ATAAGP Buryak; Andrey Linz ATAANM Dix; AlbrechtAACI LinzAACO ATAAGP Dix; Albrecht Linz ATAANM Kona; Balakantha RaoAACI LinzAACO ATAAGP Kona; Balakantha Rao Linz AT - A high density polyethylene moulding composition having a multimodal molecular weight distribution, having a density according to ISO 1183 at 23° C. in the range of 945 to 965 kg/m01-17-2013
20130000947CROSSLINKABLE POLYMER COMPOSITION AND CABLE WITH ADVANTAGEOUS ELECTRICAL PROPERTIES - A polymer composition with improved DC electrical properties and a cable surrounded by at least one layer comprising the polymer composition are provided.01-03-2013
20120329951BOPP-FILM - Polypropylene having a melting temperature (T12-27-2012
20120305284POLYMER COMPOSITION AND A POWER CABLE COMPRISING THE POLYMER COMPOSITION - A crosslinkable and crosslinked polymer composition with improved DC electrical properties and a cable surrounded by at least one layer comprising the polymer composition are provided.12-06-2012
20120295994BLOWNFILM GRADE SHOWING SUPERIOR STIFFNESS, TRANSPARENCY AND PROCESSING BEHAVIOUR - Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, a polypropylene and optionally a clarifier, wherein • the random propylene copolymer comprises units derived from propylene and at least another C11-22-2012
20120285722POLYMER COMPOSITION COMPRISING A POLYOLEFIN PRODUCED IN A HIGH PRESSURE PROCESS, A HIGH PRESSURE PROCESS AND AN ARTICLE - A polymer composition with improved DC electrical properties, a method for producing the polymer composition, and a cable surrounded by at least one layer comprising the polymer composition are provided.11-15-2012
20120277384PREPARATION OF POLYPROPYLENE IN THE PRESENCE OF A SINGLE-SITE CATALYST - Process for the preparation of a polypropylene, wherein propylene is polymerised optionally with a comonomer selected from the group consisting of ethylene, a C4-C20 α-olefin and mixtures thereof, in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (a) comprise a transition metal compound of formula (I) L11-01-2012
20120273253CABLE AND PRODUCTION PROCESS THEREOF - A cable comprising a semiconductive layer and an insulation layer with improved DC electrical properties is provided.11-01-2012
20120270959BLOWN GRADE SHOWING SUPERIOR STIFFNESS, TRANSPARENCY AND PROCESSING BEHAVIOUR - Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, and optionally a clarifier, wherein • the random propylene copolymer comprises units derived from propylene and at least another C10-25-2012
20120264896Process for Recovering a Transition Metal Compound - The present application aims to provide a process for producing a solid polymerization catalyst component, including the steps of (A) producing a solution with a transition metal compound and a solvent; (B) solidifying a component with the transition metal compound to produce the solid polymerization catalyst component in a solidification stage; (C) recovering from the solidification stage a liquid stream containing a minor amount of the transition metal compound dissolved therein and a solid catalyst stream; and (D) recovering the transition metal component from the liquid stream, characterized in that step (D) may include concentrating the solution to produce a first product stream including the solvent and being essentially free of the transition metal compound and a second product stream including the solvent and the transition metal compound, characterized in that the concentration is conducted within a temperature range of from 0 to 100 degrees Celsius.10-18-2012
20120259076Process for Olefin Polymerization - The present application provides a process for polymerizing at least one olefin in the presence of a polymerization catalyst, including: (A) continuously introducing a first liquid with a transition metal compound, an organometallic compound, and a solvent and a second liquid into an emulsification stage, (B) continuously withdrawing the emulsion and directing it into a solidification stage to form a slurry with a solid polymerization catalyst component, (C) continuously recovering the solid polymerization catalyst component, (D) directing the solid polymerization catalyst component into a first prepolymerization stage with a monomer and a second liquid to form a slurry, (E) recovering a prepolymerized solid polymerization catalyst component, (F) continuously introducing the prepolymerized solid polymerization catalyst component into a second prepolymerization stage with an olefin monomer to form a prepolymerized catalyst, and (G) continuously withdrawing the prepolymerized catalyst and directing it into a subsequent polymerization stage with at least one olefin monomer.10-11-2012
20120231168APPARATUS AND METHOD FOR COATING PIPES OR PIPE SECTIONS - The invention relates to an apparatus and method for coating a pipe or a section of a pipe with a polymer layer. The apparatus comprises an applicator for applying polymer melt on the surface of a pipe or pipe section, a roller for pressing the polymer applied by the applicator towards the pipe or pipe section, and means for circumferentially moving the applicator and the roller around the periphery of the pipe or pipe section. According to the invention the apparatus further comprises a drive for rotating the roller as the roller is moving around the periphery of a pipe or pipe section. By means of the invention, higher quality coatings can be applied to field joints of steel pipes, for example.09-13-2012
20120231160METHOD OF COATING PIPES OR PIPE SECTIONS - The present publication discloses a method for coating pipes. The method comprises applying curable first polymer (e.g. epoxy) onto the surface of the pipe and partially curing the first polymer or leaving the first polymer uncured to in order to form a reactive first polymer layer. Thereafter, the pipe with the reactive first polymer layer is heated and a second polymer (e.g. polyolefin) is applied directly onto the heated reactive first polymer layer, whereby the two polymers react and form a protective coating on the pipe or pipe section. In particular, the heating can be carried out in two steps such that the first polymer stays reactive until the application of the second polymer.09-13-2012
20120225993GLASS FIBRE COMPOSITE OF IMPROVED PROCESSABILITY - Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 α-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR09-06-2012
20120220727Heterophasic Polypropylene Resin with Long Chain Branching - Heterophasic polypropylene resin having a MFR (2.16 kg, 230° C.) of at least 1.0 g/1 Omin, determined according to ISO 1133, comprising a propylene random copolymer matrix phase (A), and an ethylene-propylene copolymer rubber phase (B) dispersed within the matrix phase, wherein the heterophasic polypropylene resin has a fraction soluble in p-xylene at 25° C. (XCS fraction) being present in the resin in an amount of 15 to 45 wt % whereby the XCS fraction has an ethylene content of 25 wt % or lower, and a fraction insoluble in p-xylene at 25 0C (XCU fraction), said heterophasic polypropylene resin being characterised by a strain hardening factor (SHF) of 1.7 to 4.0 when measured at a strain rate of 3.0 s08-30-2012
20120214947HETEROPHASIC POLYPROPYLENE RESIN - Heterophasic polypropylene resin comprising a propylene random copolymer matrix phase (A), and an ethylene-propylene copolymer rubber phase (B) dispersed within the matrix phase wherein the heterophasic polypropylene resin has a MFR (2.16 kg, 230° C.) of 1.0 to 100 g/10 min, determined according to ISO 1133, and a fraction soluble in p-xylene at 25° C. (XCS fraction) which is present in the resin in an amount of 28 to 50 wt %, and which has a molecular weight distribution (M08-23-2012
20120190784HETEROPHASIC POLYPROPYLENE COPOLYMER COMPOSITION - Heterophasic polypropylene composition comprising (A) 45 to 70 wt % of a propylene homo- or copolymer matrix with an MFR07-26-2012
20120178887PROCESS FOR PRODUCING POLYOLEFINS - The present invention deals with a process of producing a polymer of at least one olefin in two consecutive reactors in gas phase in the presence of an olefin polymerisation catalyst where an olefin is polymerised in a first polymerization reactor in the presence of an olefin polymerisation catalyst and a first reaction gas mixture to form a fluidized bed comprising an olefin polymer and said first reaction gas mixture. The first reaction gas mixture together with the olefin polymer is continuously or intermittently withdrawn from the first polymerisation reactor and directed into a separation vessel so that a bed of polymer is formed in said separation vessel. A portion of said first reaction gas mixture is withdrawn from said separation vessel and returned into the first polymerization reactor to a point where the pressure is lower than in the separation vessel. The olefin polymer is withdrawn from said separation vessel to form a second product stream and the second product stream is directed into a second polymerization reactor. A second gas may be introduced into the bottom part of the separation vessel to avoid the carry-over of the reactants from the first polymerisation stage into the second polymerisation stage.07-12-2012
20120165440MULTIMODAL POLYMER OF PROPYLENE, COMPOSITION CONTAINING THE SAME AND A PROCESS FOR MANUFACTURING THE SAME - The present invention aims to provide a multimodal polymer of propylene comprising a matrix of semicrystalline polymer and a rubber (D) dispersed in said matrix, the multimodal polymer comprising units derived from propylene of from 85 to 99% by weight and units derived from ethylene or C06-28-2012
20120136106Process for the Production of Polyolefins with Broad Molecular Weight Distribution - The present invention is directed to a propylene homo- or copolymer having 05-31-2012
20120128912POLYMER COMPOSITION FOR CROSSLINKED PIPES - The invention is directed to a use of a polymer composition comprising an ethylene polymer for producing a crosslinked pipe, a process for producing a crosslinked pipe and to a crosslinked pipe comprising a crosslinked polymer composition which comprises a crosslinked ethylene polymer.05-24-2012
20120123013POLYMER COMPOSITION FOR CROSSLINKED ARTICLES - The invention is directed to a use of a polymer composition comprising an ethylene polymer for producing a crosslinked article, a process for producing a crosslinked article and to a crosslinked article comprising a crosslinked polymer composition which comprises a crosslinked ethylene polymer.05-17-2012
20120101208FLAME RETARDANT POLYMER COMPOSITION COMPRISING AN ETHYLENE COPOLYMER WITH MALEIC ANHYDRIDE UNITS AS COUPLING AGENT - The present invention relates to a flame retardant polymer composition comprising (A) an ethylene copolymer comprising alkyl acrylate comonomer units, (B) uncoated aluminum hydroxide as inorganic filler, and (C) an ethylene copolymer comprising maleic anhydride units in an amount of 0.6 to 5 wt. %, an article comprising such a composition, the use of such a composition for producing a layer in a wire or cable and the use of an ethylene copolymer comprising maleic anhydride units for producing a wire or cable fulfilling the requirements of class D of the FIPEC test according to prEN 50399:2007./.04-26-2012
20120088870Stabilized Polypropylene-Talc Composite - Use of an talc being coated with an organo-metallic compound in a polymer composition to accomplish a headspace emission of all volatiles together of said polymer composition of equal or below 120 μg/g.04-12-2012
20120077919THERMOPLASTIC POLYOLEFIN COMPOUNDS WITH DECREASED FLAMING SENSITIVITY - Thermoplastic polyolefin compounds for the production of injection moulded, paintable and flame pre-treatable articles comprising A) 50 wt % to 90 wt % of a propylene homo- or copolymer matrix phase (M) and B) 10 wt % to 50 wt % of a first elastomer comprising an ethylene-C03-29-2012
20120065349Cross-Linkable Polyolefin Composition Comprising Two Types of Silane Groups - The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with 03-15-2012
20120046406Process for the Production of Polyolefins with Broad Molecular Weight Distribution - The present invention is directed to a propylene homo- or copolymer having 02-23-2012
20120015170HIGH FLOW POLYPROPYLENE COMPOSITION - The present invention relates to a high flow polypropylene composition comprising (A) a low molecular weight propylene homopolymer fraction and (B) a high molecular weight propylene copolymer fraction, having a comonomer content of not higher than 8 wt %, wherein the ratio between the MFR01-19-2012
20120000538POLYOLEFIN COMPOSITION FOR WATER PIPES WITH INCREASED RESISTANCE TO CHLORINE DIOXIDE - The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO01-05-2012
20110318516CROSS-LINKED POLYETHYLENE PIPE - A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/m12-29-2011
20110315424POLYMER COMPOSITION - The invention relates to a method for modifying a polymer composition, to modified polymer compositions, to an article, preferably wire or cable, comprising said modified polymer composition, to a process for preparing an article, preferably a wire or cable, to the use of said modified polymer in one or more layers of a wire or cable, as well as to a compound for use as a radical generating compound for modifying a polymer composition.12-29-2011
20110301384 CUMENE OXIDATION - A process for oxidizing cumene to cumene hydroperoxide using an oxygen containing gas, which process composes—conducting a cumene feed and an oxygen containing gas feed to at least the first oxidation reactor in a series of 3-8 reactors, thereby forming an oxidation mixture, and—conducting the oxidation mixture from one oxidation reactor to at least one subsequent reactor, wherein—the reactors are operated with reducing liquid levels; —the oxidation is operated as a dry oxidation, whereby the only gaseous feeds conducted to the oxidation reactors are the cumene feed and the oxygen containing gas feed; —the oxygen containing gas feed is washed with caustic and then with water to remove all acidic or caustic traces before conducting it into an oxidation reactor; —the pressure within each oxidation reactor is in the range of 0-10 barg; —the off-gases from the top section of each oxidation reactor are separated and cooled, whereby a condensate containing unreacted cumene is formed, and—washing the condensate and recycling at least a part of it to at least the first oxidation reactor; —the non-condensed off-gases are treated in a thermal oxidizer; and—the first reactor in the series of oxidation reactors has a liquid inventory of 30-300% larger than in the remaining reactors, preferably 50-100%, or the first two reactors in the series of oxidation reactors have a liquid inventory of 30-300% larger than in the remaining reactors, preferably 50-100%.12-08-2011
20110294940METHOD FOR IMPROVING FLOWABILITY OF HETEROPHASIC POLYPROPYLENE POWDER - Method for the preparation of a sticky high impact heterophasic polypropylene (HECO) in a reactor facility comprising in series (i) a first reaction system, (ii) a first conveying line connecting the first reactor system with a second reactor system comprising an outlet, (iii) a second conveying line connecting the outlet with a purge bin comprising a feeder, and (iv) a conveying system being connected with the feeder, and the preparation of said heterophasic polypropylene (HECO) comprises the steps in the order of (a) producing in said first reactor system the polypropylene matrix (M), (b) transferring at least a part of said polypropylene to said second reactor system via the first conveying line, (c) producing in said second reactor system the elastomeric copolymer obtaining the heterophasic polypropylene (HECO), (d) discharging said heterophasic polypropylene (HECO) from said second reactor system via the outlet, (e) transferring said discharged heterophasic polypropylene (HECO) via the second conveying line to said purge bin comprising said feeder, and (f) transferring further said discharged heterophasic polypropylene (HECO) from said purge bin via said feeder to said conveying system, the produced heterophasic polypropylene (HECO) is provided with an additive, said additive is fed to the produced heterophasic polypropylene (α) at the outlet of the second reactor system, or (β) at the feeder (F) of the purge bin (PB).12-01-2011
20110294937METHOD FOR IMPROVING FLOWABILITY OF RANDOM POLYPROPYLENE POWDER - Method for the preparation of a sticky random propylene copolymer (R-PP) in a reactor facility comprising in series (i) a first reaction system, (ii) a first conveying line connecting the first reactor system with a second reactor system comprising an outlet, (iii) a second conveying line connecting the outlet with a purge bin comprising a feeder, and (iv) a conveying system being connected with the feeder, and the preparation of said random propylene copolymer (R-PP) comprises the steps in the order of (a) producing in said first reactor system a propylene homopolymer (H-PP) or a random propylene copolymer (R-PP1), (b) transferring at least a part of said polypropylene to said second reactor system via the first conveying line, (c) producing in said second reactor system a random propylene copolymer (R-PP2) obtaining the random propylene copolymer (R-PP), (d) discharging said random propylene copolymer (R-PP) from said second reactor system via the outlet, (e) transferring said discharged random propylene copolymer (R-PP) via the second conveying line to said purge bin comprising said feeder, and (f) transferring further said discharged random propylene copolymer (R-PP) from said purge bin via said feeder to said conveying system, the produced random propylene copolymer (R-PP) is provided with an additive, said additive is fed to the produced random propylene copolymer (R-PP) (α) at the outlet of the second reactor system, or (β) at the feeder (F) of the purge bin (PB).12-01-2011
20110293867Propylene-butene random copolymer produced in the presence of a metallocene catalyst - Propylene copolymer (a) comprising at least 1-butene as a comonomer, (b) having a comonomer content in the range of 1.0 to 3.0 wt.-%, (c) having a xylene soluble fraction equal or below 2.5 wt.-%, and (d) being partially crystallized in the β-modification.12-01-2011
20110290529CABLE AND POLYMER COMPOSITION COMPRISING A MULTIMODAL ETHYLENE COPOLYMER - The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.12-01-2011
20110288237Multi-Stage Process for Producing Polyethylene with Lowered Gel Formation - The present inventions relates to a process for producing polyethylene compositions comprising polymerising polyethylene resins in a cascaded multi-stage reaction in which the reaction steps are performed in at least two slurry phase reactors (A) and (B) and at least one gas phase reactor (C) which are arranged in series in any order wherein in reactor (A) a low molecular weight ethylene homo- or copolymer fraction having a MFR11-24-2011
20110288213MULTIMODAL POLYMER OF PROPYLENE, COMPOSITION CONTAINING THE SAME AND A PROCESS FOR MANUFACTURING THE SAME - The present invention aims to provide a multimodal polymer of propylene comprising a matrix of semicrystalline polymer and a rubber (D) dispersed in said matrix, the multimodal polymer comprising units derived from propylene of from 85 to 99% by weight and units derived from ethylene or C11-24-2011
20110284260MASTERBATCH AND PROCESS FOR PREPARING A POLYMER COMPOSITION - The present invention relates to a process for preparing a polymer composition by using a masterbatch, as well as a process, wherein said polymer composition is used for preparing an article, preferably a cable. Also a masterbatch, a polymer composition comprising the masterbatch, and an article, preferably a cable, comprising the polymer composition are provided.11-24-2011
20110274860High Density Polymer Compositions, A Method for Their Preparation and Pressure-Resistant Pipes made Therefrom - The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 937 to 950 kg/m11-10-2011
20110266027CABLE LAYER OF MODIFIED SOFT POLYPROPYLENE WITH IMPROVED STRESS WHITENING RESISTANCE - Cable layer comprising a propylene polymer composition comprising (a) a polypropylene (A) (b) an elastomeric copolymer (E) comprising units derived from propylene and ethylene and/or C4 to C20 α-olefin and (c) a polar ethylene polymer (C) wherein the cable layer and/or the propylene polymer composition has a gel content of equal or more than 0.20 wt.-%.11-03-2011
20110263905MULTISTAGE CUMENE OXIDATION - The present invention concerns a process for oxidizing cumene to cumene hydroperoxide using an oxygen containing gas, preferably air, which process comprises—conducting a cumene feed and an oxygen containing gas feed to at least the first oxidation reactor in a series of 3-8 reactors, thereby forming an oxidation mixture, and conducting the formed oxidation mixture from one reactor to the next, preferably after an oxidation reaction has taken place, wherein—the reactors comprise at least one lower pressure oxidizer (10-27-2011
20110262671MULTIMODAL POLYMER - A multimodal ethylene polymer with a density of less than 950 kg/m10-27-2011
20110262670CROSS-LINKABLE POLYETHYLENE RESIN FOR PIPES MADE BY A SINGLE-SITE CATALYST - An ethylene polymer with a density of less than 955 kg/m10-27-2011
20110257312POLYOLEFIN COMPOSITION FOR WATER PIPES WITH IMPROVED CHLORINE RESISTANCE - The present invention relates to the use of compound (A) and compound (B) in a polyolefin composition for increasing the lifetime of a pipe made of said polyolefin composition which pipe is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein R10-20-2011
20110257311POLYOLEFIN COMPOSITION FOR WATER PIPES WITH GOOD RESISTANCE TO CHLORINE DIOXIDE AND LOW MIGRATION - The present invention relates to a polyolefin composition with good resistance to degradation caused by chlorine dioxide-containing water and at the same time showing low migration of the used additives and its decomposition products, especially phenols, out of the composition. The present invention is also directed to a pipe made of such a polyolefin composition. The present invention further relates to the use of the polyolefin composition for the production of a pipe and to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water and for maintaining at the same time a low migration of the used additives and its decomposition products, especially phenols, out of the polyolefin composition.10-20-2011
20110253420FLAME RETARDANT POLYMER COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES - A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable.10-20-2011
20110253418CABLE AND POLYMER COMPOSITION COMPRISING A MULTIMODAL ETHYLENE COPOLYMER - The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.10-20-2011
20110250374ARTICLE COATED WITH A COMPOSITION COMPRISING POLYETHYLENE PREPARED WITH A SINGLE SITE CATALYST - The present invention relates to an article coated with a composition comprising (A) an ethylene homo- or copolymer resin which has been prepared by using a single-site catalyst further characterized in that component (A) has an MFR10-13-2011
20110248072METHOD AND APPARATUS FOR COATING PIPES AND PIPE SECTIONS - Method and apparatus for coating a pipe (10-13-2011
20110240333CABLE AND POLYMER COMPOSITION COMPRISING A MULTIMODAL ETHYLENE COPOLYMER - The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.10-06-2011
20110236708Polyolefin Construction - A polyolefin construction comprising at least one polyolefin (PO) layer, a barrier layer for the polyolefin layer and a compatibiliser for the PO and the barrier layer, which compatibiliser enables the PO and barrier layer to adhere together, whereby the barrier layer comprises the compatibiliser; a blended barrier layer polymer and the barrier layer formed therefrom and a process for producing the polyolefin construction.09-29-2011
20110229670PROPYLENE COMPOSITION WITH HIGH STIFFNESS AND IMPACT STRENGTH - The present invention is directed to a polypropylene composition comprising 09-22-2011
20110224387PREPARATION OF PROPYLENE COPOLYMER WITH DYNAMICALLY OPERATED REACTOR - The present invention relates to a process for the preparation of a propylene copolymer P1 having ethylene-derived comonomer units, which comprises the following steps: (i) introducing propylene, ethylene, and hydrogen into a polymerisation reactor R1, wherein the ethylene is fed to the polymerisation reactor R1 in a periodically varying amount, (ii) preparing the propylene copolymer in the polymerisation reactor R1 in the presence of a catalyst.09-15-2011
20110218310PROCESS FOR THE PREPARATION OF AN UNSUPPORTED, SOLID OLEFIN POLYMERISATION CATALYST AND USE IN POLYMERISATION OF OLEFINS - Improved process for the preparation of an unsupported, heterogeneous olefin polymerisation catalyst, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC) or of an actinide or lanthanide in the form of solid particles comprising the steps of a) preparing a solution of an aluminoxane and an ionic complex M-X, M being an alkali or earth alkali metal and X being a halide or pseudo halide, in a molar ratio of Al of the aluminoxane to M of the ionic complex between 80:1 and 300:1, b) mixing said solution with an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC) or of an actinide or lanthanide in a molar ratio of M of the ionic complex to the transition metal of the organometallic compound between 1:1 and 4:1, yielding a second solution, c) dispersing said second solution obtained in step b) in a solvent immiscible therewith to form an emulsion in which said second solution of step b) forms the dispersed phase in the form of droplets and the solvent immiscible with said solution forms the continuous phase, d) solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering aid particles to obtain said catalyst, the catalysts itself and its use for olefin polymerisation.09-08-2011
20110213108PROCESS FOR THE PREPARATION OF AN UNSUPPORTED, SOLID METALLOCENE CATALYST SYSTEM AND ITS USE IN POLYMERIZATION OF OLEFINS - Improved process for the preparation of an unsupported, heterogeneous olefin polymerization catalyst system, comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC) or of an actinide or lanthanide in the form of solid particles comprising the steps of a) preparing a solution of catalyst components, including an aluminoxane, a compound being effective to form stable, liquid clathrates with aluminoxane and an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, in a hydrocarbon solvent, yielding a two phase system with an upper solvent layer, which is separated, b) preparing a liquid/liquid emulsion system comprising a continuous phase in which said solution of the catalyst components forms a dispersed phase in the form of droplets, c) solidifying said dispersed phase to convert said droplets to solid particles and optionally recovering said particles to obtain said catalyst system, the catalysts system itself and its use for olefin polymerization.09-01-2011
20110200775SEWAGE PIPE MATERIAL WITH IMPROVED PROPERTIES - Polypropylene composition comprising: a propylene homopolymer (A), a platelet-like inorganic filler (B) having optionally α-nucleating activity and a β-nucleating agent (C), wherein the propylene composition and/or the propylene homopolymer has (have) a polydispersity index (PI) of at least 4.0.08-18-2011
20110193272EXTRUSION BLOWN MOLDED BOTTLES WITH HIGH STIFFNESS AND TRANSPARENCY - A polypropylene composition comprising a random propylene copolymer, a high melt strength polypropylene having a branching index g′ of 0.9 or less, a polypropylene having a MFR08-11-2011
20110174415METHOD TO PRODUCE VERY STIFF POLYPROPYLENE - The present invention relates to a process for the preparation of a propylene homo- or copolymer, comprising the following steps: (i) feeding propylene and hydrogen, and optionally one or more comonomers, to a reactor R1, wherein the hydrogen is fed to the reactor R1 in a periodically varying amount, (ii) preparing a first fraction of the propylene homo- or copolymer in the reactor R1 in the presence of a catalyst, (iii) transferring the first fraction to a reactor R2, and (iv) preparing a second fraction of the propylene homo- or copolymer in the reactor R2, wherein the melt flow rate MFR (2.16 kg, 230° C.) of the propylene homo- or copolymer is higher than the melt flow rate MFR (2.16 kg, 230° C.) of the first fraction.07-21-2011
20110168427PROCESS FOR PRODUCING A POLYMER AND A POLYMER FOR WIRE AND CABLE APPLICATIONS - The invention relates to a method for producing a polymer using a chain transfer agents. In particular, the invention relates to a process for polymerizing a polymer in the presence of a mixture of at least two chain transfer agents, which mixture comprises 07-14-2011
20110165357High Density Polymer Compositions, A Method for Their Preparation and Pressure-Resistant Pipes made Therefrom - The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 937 to 950 kg/m07-07-2011
20110151161HETEROPHASIC POLYMER COMPOSITION OF HIGH STIFFNESS - The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %.06-23-2011
20110136959POLYOLEFIN COMPOSITION WITH LOW CLTE - The invention relates to novel polyolefin compositions having a low coefficient of thermal expansion (CLTE), high stiffness and high flowability. The novel compositions comprise a heterophasic propylene copolymer, an inorganic filler, an ethylene/alpha-olefin elastomer and at least two different alpha-nucleating agents.06-09-2011
20110129627COMPOSITION BASED ON POLYPROPYLENE COMPOUNDS WITH STYRENIC BASED ELASTOMERS - Polymer composition comprising—a heterophasic propylene copolymer comprising a polypropylene matrix and an elastomeric propylene copolymer comprising at least one comonomer selected from the group consisting of ethylene and C06-02-2011
20110124791Flame Retardant Polyolefin Composition Comprising A High Amount of Inorganic Filler - The present invention relates to a flame retardant polymer composition comprising 05-26-2011
20110118396REDUCTION OF VOLATILES OF STABILIZED POLYPROPYLENE/TALC COMPOSITIONS BY USING SPECIFIC ACIDIC ENVIRONMENT - The present invention is directed to the use of carbonyl compounds to reduce the headspace emission according to VDA 277 of a polymer, wherein the carbonyl compounds are selected from the group consisting of aromatic carboxylic acid having a pKa measured in DMSO of at least 10.5, fatty acid amide and fatty acid ester.05-19-2011
20110111243Adhesive Propylene Polymer Composition Suitable for Extrusion Coating of Paper Substrates - Two-component adhesion composition suitable for extrusion coating paper substrates which comprises 05-12-2011
20110111155POLYOLEFIN COMPOSITION REINFORCED WITH A FILLER AND PIPE COMPRISING THE POLYOLEFIN COMPOSITION - The present invention relates to a cross-linked polyolefin composition reinforced with a filler with improved stiffness, impact strength, pressure resistance and impact/stiffness balance as well as to the use of such a polyolefin composition for the preparation of pipes. The polyolefin composition comprises a base resin comprising a cross-linkable olefin homo- or copolymer (A) and a filler (B), wherein the polyolefin composition has been subjected to cross-linking conditions, e.g. silane-cross-linking or peroxide cross-linking.05-12-2011
20110108121Polymer Compositions and Pressure-Resistant Pipes Made Therefrom - The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 924 to 935 kg/m05-12-2011
20110104416PROPYLENE-HEXENE RANDOM COPOLYMER PRODUCED IN THE PRESENCE OF A ZIEGLER NATTA CATALYST - Propylene copolymer a. comprising at least 1-hexene as a comonomer, b. having a comonomer content in the range of 1.0 to 3.0 wt.-%, c. having a xylene soluble fraction equal or below 2.5 wt.-%, and d. being partially crystallized in the β-modification.05-05-2011
20110098428CATALYST PREPARATION USING H2 - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having improved polymerization properties due to the use of H04-28-2011
20110091674Polymer Compositions Having Improved Homogeneity and Odour, A Method For Making Them and Pipes Made Thereof - The present invention deals with polymer compositions suitable for making pipes. The compositions comprise a multimodal copolymer of ethylene and one or more alpha-olefins having from 4 to 10 carbon atoms wherein the multimodal ethylene copolymer has a density of from 924 to 960 kg/m04-21-2011
20110086970THERMOPLASTIC POLYOLEFINS WITH HIGH FLOWABILITY AND EXCELLENT SURFACE QUALITY PRODUCED BY A MULTISTAGE PROCESS - Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of >200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCH04-14-2011
20110034634HIGH PURITY HETEROPHASIC PROPYLENE COPOLYMERS - High purity heterophasic polypropylene copolymers comprising (A) 73 to 98 wt % of a propylene homo- or copolymer matrix with an MFR02-10-2011
20110011482WELL TUBINGS WITH POLYMER LINERS - The invention relates to well tubings, in particular oil well tubings, having an improved resistance to abrasion and corrosion. A well tubing comprises a plurality of tubing sections each having a bore and an inside diameter, wherein at least part of the tubing sections has polymer liners disposed within said bore of said tubing section, characterized in that said polymer liners are comprised of crosslinked polyethylene.01-20-2011
20100286310LOW-STICKY ADDITIVE PACKAGE FOR AUTOMOTIVE INTERIOR APPLICATIONS - Composition comprising polypropylene and (a) at least one phenolic antioxidant (A) (b) at least one hindered amine light stabilizer (B) (c) at least one slip agent (C) being a fatty acid amide, (d) a bisphenol A epoxy resin with an average molecular weight (Mw) below 2000 g/mol (D), and (e) talc (E).11-11-2010

Patent applications by Borealis AG

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