Patent ID: 9102770
Filing Date: 2015-08-11
Classification: C08F,Y02P

Abstract:
1. Slurry polymerization process for the preparation of a polypropylene (PP) having a decaline soluble fraction (DS) of equal or below 2.5 wt. %, comprising: feeding into a first reactor vessel (R1), (a) a Ziegler-Natta catalyst (ZN), (b) propylene and optionally ethylene and/or an C (c) a diluent (D) comprising a donor agent (DA); wherein the polymerization of said polypropylene (PP) takes place in at least said first reactor (R1) and said slurry polymerization process is an industrial scale process, and comprises at least two reactors, the first reactor (R1) and a second reactor (R2) connected in series.