发明名称 |
Retreating comminuted olefin polymerization catalyst with a titanium (IV) compound and an ester |
摘要 |
A comminuted, supported polymerization catalyst for alpha-olefins comprises (A) an organoaluminum compound and (B) a solid titanium-containing component formed by (1) comminuting a solid reaction product comprising (a) at least one halogen-containing compound of titanium(IV); (b) at least one electron donor; and (c) at least one hydrocarbon-insoluble magnesium-containing compound; and (2) retreating such comminuted product with (a) at least one halogen-containing compound of titanium(IV); and (b) at least one organic acid ester.
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申请公布号 |
US4431570(A) |
申请公布日期 |
1984.02.14 |
申请号 |
US19820378121 |
申请日期 |
1982.05.14 |
申请人 |
STANDARD OIL COMPANY (INDIANA) |
发明人 |
JOHNSON, BRYCE V. |
分类号 |
C08F4/00;C08F4/60;C08F4/64;C08F10/00;(IPC1-7):C08F4/64 |
主分类号 |
C08F4/00 |
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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