CATALYST GRAIN SIZE

摘要

The present invention discloses an olefin polymerisation process carried out in the presence of a Ziegler -Natta catalyst in two liquid full loop reactors connected in series wherein different molecular weight fract ions are produced to form a polyolefin, said process being characterised in that the Ziegler -Natta catalyst has a particle size distribution d50 of less than 20pm and greater than 5pm. ® KIPO & WIPO 2007