| Borealis AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120128912 | POLYMER 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 |
| 20120123013 | POLYMER 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 |
| 20120101208 | FLAME 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 |
| 20120088870 | Stabilized 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 |
| 20120077919 | THERMOPLASTIC 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-C | 03-29-2012 |
| 20120065349 | Cross-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 |
| 20120046406 | Process 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 |
| 20120015170 | HIGH 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 MFR | 01-19-2012 |
| 20120000538 | POLYOLEFIN 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 ClO | 01-05-2012 |
| 20110318516 | CROSS-LINKED POLYETHYLENE PIPE - A cross-linked polyethylene pipe comprising an ethylene polymer with a density of at least 948 kg/m | 12-29-2011 |
| 20110315424 | POLYMER 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 |
| 20110294940 | METHOD 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 |
| 20110294937 | METHOD 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 |
| 20110293867 | Propylene-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 |
| 20110290529 | CABLE 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 |
| 20110288237 | Multi-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 MFR | 11-24-2011 |
| 20110288213 | MULTIMODAL 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 C | 11-24-2011 |
| 20110284260 | MASTERBATCH 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 |
| 20110274860 | High 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/m | 11-10-2011 |
| 20110266027 | CABLE 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 |
| 20110263905 | MULTISTAGE 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 |
| 20110262671 | MULTIMODAL POLYMER - A multimodal ethylene polymer with a density of less than 950 kg/m | 10-27-2011 |
| 20110262670 | CROSS-LINKABLE POLYETHYLENE RESIN FOR PIPES MADE BY A SINGLE-SITE CATALYST - An ethylene polymer with a density of less than 955 kg/m | 10-27-2011 |
| 20110257312 | POLYOLEFIN 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 R | 10-20-2011 |
| 20110257311 | POLYOLEFIN 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 |
| 20110253420 | FLAME 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 |
| 20110253418 | CABLE 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 |
| 20110250374 | ARTICLE 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 MFR | 10-13-2011 |
| 20110248072 | METHOD AND APPARATUS FOR COATING PIPES AND PIPE SECTIONS - Method and apparatus for coating a pipe ( | 10-13-2011 |
| 20110240333 | CABLE 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 |
| 20110236708 | Polyolefin 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 |
| 20110229670 | PROPYLENE COMPOSITION WITH HIGH STIFFNESS AND IMPACT STRENGTH - The present invention is directed to a polypropylene composition comprising
| 09-22-2011 |
| 20110224387 | PREPARATION 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 |
| 20110218310 | PROCESS 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 |
| 20110213108 | PROCESS 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 |
| 20110200775 | SEWAGE 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 |
| 20110193272 | EXTRUSION 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 MFR | 08-11-2011 |
| 20110174415 | METHOD 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 |
| 20110168427 | PROCESS 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 |
| 20110165357 | High 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/m | 07-07-2011 |
| 20110151161 | HETEROPHASIC 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 |
| 20110136959 | POLYOLEFIN 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 |
| 20110129627 | COMPOSITION 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 C | 06-02-2011 |
| 20110124791 | Flame Retardant Polyolefin Composition Comprising A High Amount of Inorganic Filler - The present invention relates to a flame retardant polymer composition comprising
| 05-26-2011 |
| 20110118396 | REDUCTION 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 |
| 20110111243 | Adhesive 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 |
| 20110111155 | POLYOLEFIN 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 |
| 20110108121 | Polymer 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/m | 05-12-2011 |
| 20110104416 | PROPYLENE-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 |
| 20110098428 | CATALYST 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 H | 04-28-2011 |
| 20110091674 | Polymer 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/m | 04-21-2011 |
| 20110086970 | THERMOPLASTIC 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(OCH | 04-14-2011 |
| 20110034634 | HIGH PURITY HETEROPHASIC PROPYLENE COPOLYMERS - High purity heterophasic polypropylene copolymers comprising (A) 73 to 98 wt % of a propylene homo- or copolymer matrix with an MFR | 02-10-2011 |
| 20110011482 | WELL 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 |
| 20100286310 | LOW-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 |
