发明名称 |
IMPROVED METHOD FOR PREPARING METALLOCENE CATALYST SYSTEMS |
摘要 |
This invention is generally directed toward a method for producing metallocene catalyst systems. Specifically, the method involves removing solid impurities from a solution of activated metallocene wherein activation has the effect of solubilizing the metallocene but not the impurities. The resulting catalyst system is higher in activity and produces polymer having excellent particle morphology with little or no reactor fouling.
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申请公布号 |
CA2227897(A1) |
申请公布日期 |
1997.02.13 |
申请号 |
CA19962227897 |
申请日期 |
1996.07.18 |
申请人 |
EXXON CHEMICAL PATENTS INC.;HOECHST AKTIENGESELLSCHAFT;EXXON CHEMICAL PATENTS INC. |
发明人 |
BRANDLEY, WILLIAM BARRY;BURKHARDT, TERRY JOHN |
分类号 |
C08F4/642;C08F4/602;C08F4/619;C08F4/6192;C08F10/00;(IPC1-7):C08F4/622 |
主分类号 |
C08F4/642 |
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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