A process for preparing polypropylene-b-poly(ethylene-co-propylene) by the use of a tubular continuous polymerizer in the presence of an olefin-polymerizing catalyst comprising a solid catalyst component (1) composed of titanium and halogen; an organosilicon compound (2); and, if necessary, at least...http://www.google.fr/patents/US6657020?utm_source=gb-gplus-shareBrevet US6657020 - Process for the preparation of polypropylene-b-poly(ethylene-co-propylene)
Process for the preparation of polypropylene-b-poly(ethylene-co-propylene)
