<p>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.</p>
申请公布号
GR3023902(T3)
申请公布日期
1997.09.30
申请号
GR19970401549T
申请日期
1997.06.26
申请人
PHILLIPS PETROLEUM COMPANY
发明人
MITCHELL, KENT EDWARD;WELCH, MELVIN BRUCE;MCDANIEL, MAX PAUL;BENHAM, ELIZABETH ANN;CONE, GROVER WINDLE