<p>A catalyst system comprises 1) a group 4 organometallic catalyst and 2) an activator comprising a solid zirconium acid component and a metal alkyl. The catalyst system is inexpensive and is highly active for the polymerization of olefins. Preferred organometallic catalysts contain a cyclopentadienyl ligand, a phosphinimine ligand and or a ketimide ligand.</p>
申请公布号
WO2004029105(A1)
申请公布日期
2004.04.08
申请号
WO2003CA01384
申请日期
2003.09.10
申请人
NOVA CHEMICALS (INTERNATIONAL) S.A.;GAO, XIAOLIANG;KOWALCHUK, MATTHEW, GERALD;LEIGHTON, JESSIE;CHISHOLM, P., SCOTT
发明人
GAO, XIAOLIANG;KOWALCHUK, MATTHEW, GERALD;LEIGHTON, JESSIE;CHISHOLM, P., SCOTT