Patent application number | Description | Published |
20100125125 | PROCESS FOR PRODUCING SOLID CATALYST COMPONENT PRECURSOR FOR OLEFIN POLYMERIZATION - A production process is provided for an olefin polymerization catalyst component precursor, including the steps of (I) adding an organomagnesium compound to a solution containing a solvent, a Si—O bond-containing silicon compound, and a defined titanium compound, under agitation, and continuing the agitation until a magnesium concentration in a liquid phase of a reaction mixture decreases to 9 ppm by weight or lower, and (II) solid-liquid separating the reaction mixture. A production process is also provided for an olefin polymerization catalyst component using the above precursor. Further, producing process is provided for an olefin polymerization catalyst using the above catalyst component. Still further, a production process is provided for an olefin polymer using the above catalyst. | 05-20-2010 |
20100174038 | PROCESS FOR PRODUCING SOLID CATALYST COMPONENT PRECURSOR FOR OLEFIN POLYMERIZATION - A production process is provided for an olefin polymerization catalyst component precursor, including the step of adding an organomagnesium compound to a solution containing a Si—O bond-containing silicon compound, a titanium compound represented by a defined formula, and a solvent, in an amount of 2.5 to 90 mol, per one liter of the solvent, of magnesium atoms contained in the organomagnesium compound added. Also provided are a production process of an olefin polymerization catalyst component using the above precursor; a production process of an olefin polymerization catalyst using the above catalyst component; and a production process of an olefin polymer using the above catalyst. | 07-08-2010 |
20110245439 | OLEFIN POLYMERIZATION CATALYST COMPONENT AND PRODUCTION PROCESS THEREOF, AND PRODUCTION PROCES OF OLEFIN POLYMERIZATION CATALYST AND OLEFIN POLYMER - A solid catalyst component for olefin polymerization containing a titanium atom, a magnesium atom, a halogen atom, and a defined internal electron donor such as dodecanedioyl dichloride; a production process of such a solid catalyst component, using a titanium compound, a magnesium compound, and the above internal electron donor, or using a solid component containing a titanium atom and a magnesium atom, and the above internal electron donor; a production process of a solid catalyst, using (i) the above solid catalyst component, (ii) an organoaluminum compound, and (iii) an external electron donor; and a production process of an olefin polymer using the above solid catalyst. | 10-06-2011 |
20110269927 | COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS - A solid catalyst component for olefin polymerization comprising a titanium atom, a magnesium atom, a halogen atom, and a cycloheptapolyenedicarboxylic diester; a production method of the solid catalyst component, by contacting with one another a titanium compound, a magnesium compound, and the cycloheptapolyenedicarboxylic diester; a production method of a solid catalyst, by contacting the solid catalyst component with an organoaluminum compound; and a production method of an olefin polymer by polymerizing an olefin in the presence of the solid catalyst. | 11-03-2011 |
20110288250 | Copolymer and Production Process Thereof - A homopolymer having a monomer unit such as an isopropylidene diallylmalonate unit; a process for producing said homopolymer comprising the step of homopolymerising a monomer such as isopropylidene diallylmalonate; a copolymer containing said monomer unit and an ethylene unit and/or α-olefin unit; and a process for producing said copolymer comprising the step of copolymerizing a monomer such as isopropylidene diallylmalonate with at least ethylene and/or an α-olefin. | 11-24-2011 |
Patent application number | Description | Published |
20090171054 | HOMOPOLYMER AND COPOLYMER, AND PRODUCTION PROCESS THEREOF - A homopolymer having a monomer unit such as an isopropylidene diallylmalonate unit; a process for producing said homopolymer comprising the step of homopolymerising a monomer such as isopropylidene diallylmalonate; a copolymer containing said monomer unit and an ethylene unit and/or α-olefin unit; and a process for producing said copolymer comprising the step of copolymerizing a monomer such as isopropylidene diallylmalonate with at least ethylene and/or an α-olefin. | 07-02-2009 |
20110269928 | PROCESS FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION - The present invention aims at providing a solid catalyst component for olefin polymerization, the solid catalyst composed being capable of showing a sufficiently high polymerization activity and providing a polymer having a low content of a low molecular weight component or an amorphous component; a process for producing the solid catalyst component; and a process for producing a solid catalyst for olefin polymerization, and a process for producing an olefin polymer. This object can be achieved by a process for producing a solid catalyst component (A), the process including: step (1) of producing a precursor of the solid catalyst component by adding an organomagnesium compound (c) to a titanium compound (b) represented by Formula (I) in the presence of a silicon compound containing a Si—O bond (a); and step (2) of producing the solid catalyst component (A) by bringing the precursor of the solid catalyst component, a halogenated metal compound represented by Formula (II) and an internal electron donor represented by Formula (III) into contact with each other. | 11-03-2011 |
20110269929 | PROCESS FOR PRODUCING SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION - The present invention aims at providing a process for producing a solid catalyst for olefin polymerization, the solid catalyst component being capable of providing a polymer having high stereoregularity when an α-olefin is polymerized; a process for producing a solid catalyst component, which is used for producing the solid catalyst; and a process for producing an olefin polymer using the solid catalyst. This object can be achieved by a process for producing a solid catalyst component (A), the process including a step of bringing a titanium compound (a), a magnesium compound (b) and an internal electron donor represented by Formula (I) into contact with each other: | 11-03-2011 |