发明申请
- 专利标题: Methods for Improving Heat Transfer in Polymerization Processes
- 专利标题(中): 改善聚合过程热传递的方法
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申请号: US12260154申请日: 2008-10-29
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公开(公告)号: US20090131616A1公开(公告)日: 2009-05-21
- 发明人: David Knoeppel , Steve Nitz , Steven Gray
- 申请人: David Knoeppel , Steve Nitz , Steven Gray
- 申请人地址: US TX Houston
- 专利权人: Fina Technology, Inc.
- 当前专利权人: Fina Technology, Inc.
- 当前专利权人地址: US TX Houston
- 主分类号: C08F4/08
- IPC分类号: C08F4/08
摘要:
Methods for improving heat transfer in polymerization processes are described herein. The methods generally include contacting olefin monomer with a catalyst system within a reaction zone to form particles having a first average particle size and altering the reaction zone to improve heat transfer and form polymer particles having a second average particle size. For example, the second average particle size may be larger than the first average particle size and the second particle size results in improved heat transfer over the first particle size.