| 发明名称 |
POLYMER PRODUCTION |
| 摘要 |
A gas phase, two stage process for the production of polypropylene impact copolymer wherein fouling of a second stage recycle loop and heat exchange unit incorporated therein is reduced by the addition to substantially gaseous material passing through the loop of a small amount of an alkylene compound.
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| 申请公布号 |
CA2038974(A1) |
申请公布日期 |
1991.09.27 |
| 申请号 |
CA19912038974 |
申请日期 |
1991.03.25 |
| 申请人 |
SHELL OIL COMPANY |
发明人 |
MCCULLOUGH, JAMES D., JR. |
| 分类号 |
C08F2/00;C08F2/34;C08F2/44;C08F10/00;C08F210/00;C08F210/06;(IPC1-7):C08F2/34 |
主分类号 |
C08F2/00 |
| 代理机构 |
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代理人 |
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