Patent application number | Description | Published |
20080292896 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A polypropylene composite film having a propylene/1-butene random copolymer which has 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point of from 40 to 75° C. and a crystallization rate at 45° C. of 10 minutes or less, and satisfying the following relation, 146 exp (−0.022M)≧Tm ≧125 exp (−0.032M), and an olefin catalyst for preparation thereof. | 11-27-2008 |
20080306219 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - An olefin polymerization catalyst having (A) a transition metal compound (2a) or (3a) and (B) at least one compound selected from (B-1) an organometallic compound, (B-2) an organoaluminum oxy compound and (B-3) a compound capable of forming an ion pair by reacting with the transition metal compound (A). | 12-11-2008 |
20080306234 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A propylene elastomer (PBER) comprising (a) 50 to 85 mol % of units derived from propylene, (b) 5 to 25 mol % of units derived from 1-butene and (c) 10 to 25 mol % of units derived from ethylene, and having a molar ratio of propylene content to ethylene content of from 89/11 to 70/30, and a modulus in tension (YM), as measured in accordance with JIS 6301, of not more than 40 Mpa. | 12-11-2008 |
20080312461 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A transition metal compound represented by the following formula (2a): | 12-18-2008 |
20090043050 | PROPYLENE COPOLYMER, POLYPROPYLENE COMPOSITION AND USES THEREOF, TRANSITION METAL COMPOUND AND OLEFIN POLYMERIZATION CATALYST - A polypropylene composition containing a propylene/1-butene random copolymer which contains 60 to 90 mol % of propylene units and 10 to 40 mol % of 1-butene units and has a triad isotacticity of not less than 85% and not more than 97.5%, a molecular weight distribution of from 1 to 3, an intrinsic viscosity of from 0.1 to 12 dl/g, a melting point of from 40 to 75° C. and a crystallization rate at 45° C. of 10 minutes or less, and satisfying the following relation, 146 exp (−0.022M)≧Tm≧125 exp (−0.032M), and an olefin catalyst for preparation thereof. | 02-12-2009 |
20100029877 | SOLID CATALYST FOR OLEFIN POLYMERIZATION, OLEFIN POLYMERIZATION METHOD, AND OLEFIN POLYMER PARTICLE PRODUCED BY THE METHOD - An object of the present invention is to provide solid catalyst component for manufacturing an olefin polymer having an excellent particulate morphology without the concern of causing fouling, and a polymerization of olefin in the presence of said solid catalyst component. | 02-04-2010 |
Patent application number | Description | Published |
20090043057 | Transition Metal Compound, Catalyst for Olefin Polymerization, and Process for Producing Olefin Polymer - Provided is a transition metal compound novel and useful as a catalyst component for olefin polymerization, a catalyst for olefin polymerization containing the transition metal compound, and a process for producing an olefin polymer using the catalyst for polymerization. The transition metal is characterized by being represented by the following general formula [I]: | 02-12-2009 |
20090069523 | Propylene Random Block Copolymer, Resin Composition Containing the Copolymer and Molded Article Made Thereof - The invention provides a propylene random block copolymer (A) that has a melt flow rate from 0.1 to 100 g/10 min and a melting point from 100 to 155° C. and includes 90 to 60% by weight of a portion insoluble (D | 03-12-2009 |
20090253876 | Fluorene Derivative, Transition Metal Compound, Catalyst for Olefin Polymerization, and Process for Producing Olefin Polymer - Provided is a novel fluorene derivative which is useful as a catalyst component for olefin polymerization, a transition metal compound containing the fluorene derivative as a part of ligand, a catalyst for olefin polymerization containing the transition metal compound, and a process for producing olefin polymer. The fluorene derivative is characterized by being represented by the following general formula [I]: | 10-08-2009 |
20090317615 | PACKAGING PROPYLENE RESIN COMPOSITION - Packaging propylene resin compositions are excellent in balance in high transparency, rigidity, low-temperature impact resistance and blocking resistance. Retort films, protective films, medical container packaging films and freshness-keeping films, and sheets for similar purposes are obtained from the compositions. A packaging propylene resin composition includes a propylene polymer (A) satisfying specific requirements and a propylene/ethylene copolymer (B) satisfying specific requirements. In another packaging propylene resin composition, D | 12-24-2009 |