发明名称 |
Process for removing unpolymerized gaseous monomers from olefin polymers |
摘要 |
A process for removing unpolymerized gaseous monomers from a solid olefin polymer containing said gaseous monomers by feeding an inert purge gas through a vessel containing constraint means which defines the upper limit of an expandable bed in the vessel and countercurrently contacting the solid polymer under expanded bed conditions.
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申请公布号 |
US5292863(A) |
申请公布日期 |
1994.03.08 |
申请号 |
US19920970190 |
申请日期 |
1992.11.02 |
申请人 |
UNION CARBIDE CHEMICALS;PLASTICS TECHNOLOGY CORPORATION |
发明人 |
WANG, DUAN-FAN |
分类号 |
C08F6/10;B01J8/18;C08F2/00;C08F6/00;C08F6/06;(IPC1-7):C08F6/28 |
主分类号 |
C08F6/10 |
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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