发明名称 |
Methods for polymerization using spray dried and slurried catalyst |
摘要 |
Methods for gas phase olefin polymerization are provided. The method can include combining a spray dried catalyst system with a diluent to produce a catalyst slurry. The catalyst system can include a metallocene compound. Ethylene, a continuity additive, and the catalyst slurry can be introduced to a gas phase fluidized bed reactor. The reactor can be operated at conditions sufficient to produce a polyethylene. The spray dried catalyst system can have a catalyst productivity of at least 12,000 grams polyethylene per gram of the catalyst system.
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申请公布号 |
US8497330(B2) |
申请公布日期 |
2013.07.30 |
申请号 |
US20100976059 |
申请日期 |
2010.12.22 |
申请人 |
HUSSEIN F. DAVID;CANN KEVIN J.;SCHOEB-WOLTERS ANN M.;CAO PHUONG A.;SAVATSKY BRUCE J.;MARKEL ERIC J.;ZILKER, JR. DANIEL P.;GIESBRECHT GARTH R.;UNIVATION TECHNOLOGIES, LLC |
发明人 |
HUSSEIN F. DAVID;CANN KEVIN J.;SCHOEB-WOLTERS ANN M.;CAO PHUONG A.;SAVATSKY BRUCE J.;MARKEL ERIC J.;ZILKER, JR. DANIEL P.;GIESBRECHT GARTH R. |
分类号 |
C08F4/64;C08F2/34;C08F4/52;C08F4/76 |
主分类号 |
C08F4/64 |
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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