发明名称 |
ZIEGLER-NATTA CATALYST FOR ETHYLENE POLYMERIZATION OR COPOLYMERIZATION |
摘要 |
A catalyst for polymerizing or copolymerizing ethylene is made by reacting silica having surface hydroxyl groups with a dialkylmagnesium compound in a hydrocarbon slurry, reacting that product with carbon tetrachloride, reacting that product with titanium tetrachloride, then reacting that product with dimethylaluminum chloride. The polymer made using this catalyst has a bimodal or trimodal molecular weight distribution, an MFR value of 28 to 70, and is produced in a single reactor. The product comprises at least two components of differing average molecular weights. |
申请公布号 |
WO9834724(A1) |
申请公布日期 |
1998.08.13 |
申请号 |
WO1998US02561 |
申请日期 |
1998.02.10 |
申请人 |
MOBIL OIL CORPORATION |
发明人 |
HUSBY, PER, KRISTIAN;HAGERTY, ROBERT, OLDS;YISSIN, YURY, VIKTOROVICH;MINK, ROBERT, IVAN;NOWLIN, THOMAS, EDWARD |
分类号 |
B01J31/38;C08F4/02;C08F4/60;C08F4/654;C08F4/658;C08F10/02 |
主分类号 |
B01J31/38 |
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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