<p>The present invention provides a novel process for preparing a catalyst useful in gas phase polymerization of olefins wherein the physical properties of the polymer and the productivity of the catalyst can be altered depending on the sequence of addition of the catalyst components. The catalyst consists of compounds of Ti, Mg, Al and optionally an electron donor supported on an amorphous support.</p>
申请公布号
EP1652863(A1)
申请公布日期
2006.05.03
申请号
EP20050256689
申请日期
2005.10.28
申请人
NOVA CHEMICALS CORPORATION;INEOS EUROPE LIMITED
发明人
KELLY, MARK;GOYAL, SHIVENDAR, KUMAR;KER, VICTORIA;MONTYN DE WITT, PERRY;KIMBERLEY, BRIAN, STEPHEN;HOANG, PETER PHUNG MINH