发明名称 |
Polyolefin polymerization process and catalyst |
摘要 |
An olefin polymerization catalyst prepared by reacting a metal dihalide and a transition metal, then reacting that component with a precipitating agent, and then reacting the resulting solid with an activating component, wherein multiple activation steps are used so that it is possible to obtain a given level of activity with less activating component.
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申请公布号 |
US4588703(A) |
申请公布日期 |
1986.05.13 |
申请号 |
US19840632082 |
申请日期 |
1984.07.18 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
COWAN, KIPLIN D.;PIERCE, DALE E.;NOWLIN, OSCAR D. |
分类号 |
C08F4/62;C08F10/00;(IPC1-7):C08F4/62;C08F4/64;C08F4/68 |
主分类号 |
C08F4/62 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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