Entries |
Document | Title | Date |
20080293897 | Magnesium Dichloride-Ethanol Adducts and Catalyst Components Obtained Therefrom - Adducts are provided comprising MgCl | 11-27-2008 |
20090118446 | Components and catalysts for the polymerization of olefins - The present invention relates to a solid catalyst component for the polymerization of olefins CH | 05-07-2009 |
20100099833 | MAGNESIUM HALIDE COMPLEXES, CATALYST COMPONENTS AND CATALYSTS FOR OLEFIN POLYMERIZATION PREPARED THEREFROM - The component of magnesium halide adduct is represented by MgX | 04-22-2010 |
20100273962 | Polyethylene Materials Prepared Using Mixed Ziegler-Natta Catalyst Systems - A polyethylene may be prepared using a mixture of a silica supported catalyst and a magnesium chloride supported catalyst. By changing the ratio of the two catalysts, the polyethylene produced may have a varying bulk density and shear response. The method allows for the tuning or targeting of properties to fit a specific application, such as a blow molding or vapor barrier film. | 10-28-2010 |
20110263802 | Formation of Ziegler-Natta Catalyst Using Non-blended Components - Methods of forming a catalyst, catalysts, polymerization processes and polymers formed therefrom are described herein. The method of forming a catalyst generally includes contacting an alkyl magnesium compound with an alcohol to form a magnesium alkoxide compound; contacting the magnesium alkoxide compound with a first titanium alkoxide and a first agent to form a reaction product “A”, wherein the titanium alkoxide and the first agent are nonblended individual components prior to contacting the magnesium alkoxide; and sequentially contacting the reaction product “A” with a second agent, followed by a third agent, and subsequently a first reducing agent to form a catalyst component. | 10-27-2011 |
20110269925 | Process for the Production of Polyethylene - The invention relates to a catalyst for the production of polyethylene comprising a solid reaction product obtained by reaction of:
| 11-03-2011 |
20110269926 | SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, MANUFACTURING METHOD, AND CATALYST AND OLEFIN POLYMER MANUFACTURING METHOD - A solid catalyst component for olefin polymerization includes a solid component obtained by causing a magnesium compound (a), a titanium halide compound (b), and an electron donor compound (c) to come in contact with each other, the titanium compound in an amount equivalent to a titanium content of 0.2 to 2.5 wt % in the solid catalyst component being washed away from the solid catalyst component by washing with heptane. A granular or spherical polymer that has high stereoregularity and a narrow particle size distribution can be obtained in high yield while suppressing production of a fine powder by polymerizing an olefin using a catalyst that includes the solid catalyst component. | 11-03-2011 |
20120095172 | IMPROVED ETHYLENE POLYMERIZATION CATALYST COMPOSITION - Ziegler-Natta catalyst composition capable of producing ethylene/alpha-olefins copolymers, particularly linear low density polyethylene; the composition having an improved stability of its behaviour during polymerization in respect to time. The Ziegler-Natta catalyst composition comprises: 1. Ziegler-Natta catalyst composition for the production of ethylene copolymers comprising A) a procatalyst, which procatalyst comprises a) an Al compound having the formula Al(alkyl) | 04-19-2012 |
20120142873 | CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS - A solid catalyst component comprising the product of a process comprising (a) reacting a magnesium alcoholate of formula Mg(OR | 06-07-2012 |
20120184694 | SPHERICAL MAGNESIUM HALIDE ADDUCT, A CATALYST COMPONENT AND A CATALYST FOR OLEFIN POLYMERIZATION PREPARED THEREFROM - A magnesium halide adduct represented by the formula (I): MgX | 07-19-2012 |
20120208968 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS AND CATALYSTS THEREFROM OBTAINED - A catalyst component for the polymerization of olefins obtainable by:
| 08-16-2012 |
20130116393 | CATALYST 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 |
20130150540 | CATALYST COMPONENT FOR POLYMERIZATION OF OLEFIN AND PREPARATION METHOD THEREOF - The present invention relates to a catalyst component for olefin polymerization, which comprises the reaction product of at least one organo-magnesium compound, at least one titanium-containing compound, at least one hydroxyl group-containing compound, at least one chlorine-containing organo-aluminum, boron, phosphorus or silicon compound, and at least one polybutadiene block copolymer. The catalyst component of the present invention has well-shaped particles, and a narrow particle size distribution; a polymerization reaction of olefins with the catalyst component produces well-shaped polymer particles with a high bulk density (BD) and an excellent comprehensive catalytic performance. The present invention also relates to a preparation method for said catalyst component and the application thereof, particularly in the homopolymerization and copolymerization of olefins such as ethylene, propylene, butene, hexene and octene. | 06-13-2013 |
20130296510 | CATALYSTS FOR OLEFIN POLYMERIZATION, PROCESSES FOR PREPARATION THEREOF AND PROCESSES FOR OLEFIN POLYMERIZATION - The present disclosure provides catalysts for olefin polymerization comprising titanium, silicon, magnesium, phosphorus, at least one internal electron donor compound, and at least one halogen, processes for preparing the catalysts for olefin polymerization, and processes for olefin polymerization using the catalysts for olefin polymerization. | 11-07-2013 |
20140046009 | Procatalyst Composition with Alkoxyalkyl 2-Propenoate Internal Electron Donor and Polymer from Same - Disclosed herein are catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present catalyst compositions contain an internal electron donor of an alkoxyalkyl 2-propenoate and optionally a mixed external electron donor. The present catalyst compositions improve catalyst selectivity and polymer stiffness. Polypropylene homopolymer produced from the present catalyst composition has a xylene solubles content less than 4 wt % and a T | 02-13-2014 |
20140046010 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A porous solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other being selected from succinates, characterized by the fact that the molar ratio ID/Ti is from 0.30 to 0.90, where ID is the total molar amount of succinate and 1,3-diether, the molar ratio of the 1,3-diether donor to the succinate donor is higher than, or equal to, 0.60. | 02-13-2014 |
20140046011 | MAGNESIUM DICHLORIDE-ALCOHOL ADDUCTS AND CATALYST COMPONENTS OBTAINED THEREFROM - Process for the preparation of solid particles of a magnesium-chloride alcohol adduct comprising (a) forming an emulsion between a MgCl | 02-13-2014 |
20140094576 | PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A pre-polymerized catalyst component for the polymerization of olefins CH | 04-03-2014 |
20140148564 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS AND CATALYSTS THEREFROM OBTAINED - Catalyst components for the polymerization of olefins CH2=CHR wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising Mg, Ti, Cl and a diol or a derivative thereof. A process for the use of catalyst components for the polymerization of olefins CH2=CHR wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising Mg, Ti, Cl and a diol or a derivative thereof. | 05-29-2014 |
20150361188 | FORMATION OF A ZIEGLER-NATTA CATALYST - A process of forming a Ziegler-Natta catalyst component is disclosed. The process includes contacting an alkyl magnesium compound with an alcohol and a first organoaluminum compound to form a magnesium dialkoxide compound and contacting the magnesium dialkoxide compound with a titanating agent to form reaction product “A.” The process further includes reacting reaction product “A” with a halogenating agent to form reaction product “B” and reacting reaction product “B” with a second organoaluminum compound to form a single halogenated catalyst component. | 12-17-2015 |
20160152747 | POLYETHYLENE COMPOSITION FOR BLOW MOLDING HAVING HIGH STRESS CRACKING RESISTANCE | 06-02-2016 |
20160168289 | SPHEROIDAL CATALYST FOR OLEFIN POLYMERIZATION | 06-16-2016 |
20180022839 | SIO2-LAYERED DOUBLE HYDROXIDE MICROSPHERES AND THEIR USE AS CATALYST SUPPORTS IN ETHYLENE POLYMERISATION | 01-25-2018 |