A process is disclosed for the particle form polymerization of olefins. The process employs a titanium-containing having hydrocarbon soluble titanium components. The resulting catalyst is pretreated with an organometallic reducing agent prior to the introduction of the catalyst into the polymerization zone to give a catalyst which can be used satisfactorily in a loop reactor with lower levels of cocatalyst.
申请公布号
CA2043904(C)
申请公布日期
1997.10.07
申请号
CA19912043904
申请日期
1991.06.05
申请人
PHILLIPS PETROLEUM COMPANY
发明人
MCDANIEL, MAX P.;BENHAM, ELIZABETH A.;CONE, GROVER W.;WELCH, MELVIN B.;MITCHELL, KENT E.