A process for the production of biaxially-oriented polypropylene film involving the provision of a polypropylene polymer produced by the polymerization of propylene in the presence of a metallocene catalyst characterized by a bridged racemic bis(indenyl) ligand substituted at the proximal position. The...http://www.google.es/patents/US6579962?utm_source=gb-gplus-sharePatente US6579962 - Biaxially-oriented metallocene-based polypropylene films
Biaxially-oriented metallocene-based polypropylene films