The present invention relates to a process for (co-)polymerizing olefin(s) comprising introducing into a polymerization medium the olefin(s), a titanium-based catalyst of Ziegler-Natta type, an organometallic cocatalyst and a halogenated hydrocarbon compound in an amount effective for increasing the...http://www.google.es/patents/US5990251?utm_source=gb-gplus-sharePatente US5990251 - Process for polymerising olefin with a Ziegler-Natta catalyst
Process for polymerising olefin with a Ziegler-Natta catalyst