| 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 |
