| 摘要 |
The invention relates to a propylene polymer obtained by a metallocene catalyzed polymerization, the catalyst having one polymerization centre, the polymer having an aluminum residue content of less than 25 ppm, wherein aluminum is formed from the catalyst and the polymer has no boron residues formed from catalyst components; to the process of producing the polymer; to the use of the polymer for producing films, fibers and molded articles, food packaging or medical packaging articles; as well as to the articles containing the said polymer. |
