| 发明名称 |
PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS |
| 摘要 |
A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm3/g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2 μm. |
| 申请公布号 |
US2014316083(A1) |
申请公布日期 |
2014.10.23 |
| 申请号 |
US201214365357 |
申请日期 |
2012.12.11 |
| 申请人 |
Basell Poliolefine Italia S.r.l. |
发明人 |
Brita Diego;Collina Gianni;Morini Giampiero |
| 分类号 |
C08F10/02 |
主分类号 |
C08F10/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A pre-polymerized catalyst component for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a C1-C12 hydrocarbon group, comprising a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm3/g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2 μm. |
| 地址 |
Milano IT |
