发明名称 |
Catalysts for polymerization of olefins. |
摘要 |
<p>A catalyst for polymerization of olefins is disclosed which comprises a titanium and/or vanadium compound supported on a silicon and/or aluminum oxide carrier. This carrier has peculiar characteristics including a specified proportion of highly spherical oxide particles, a selected average pore size and a specified proportion of a selected particle size range before and after ultrasonic treatment, whereby there is obtained a catalyst having increased bulk density, narrow particle size distribution and high fluidity.</p> |
申请公布号 |
EP0243190(A1) |
申请公布日期 |
1987.10.28 |
申请号 |
EP19870303600 |
申请日期 |
1987.04.23 |
申请人 |
NIPPON OIL CO. LTD. |
发明人 |
SANO, AKIRA;KUBO, KUNIMICHI;MATSUURA, KAZUO |
分类号 |
C08F10/00;C08F4/02;C08F4/60;C08F4/64;(IPC1-7):C08F4/02 |
主分类号 |
C08F10/00 |
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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