发明授权
- 专利标题: Low gel chromium catalysis
- 专利标题(中): 低凝胶铬催化
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申请号: US11501183申请日: 2005-02-08
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公开(公告)号: US07745551B2公开(公告)日: 2010-06-29
- 发明人: Philippe Bodart , Philippe Marechal , Eric Damme
- 申请人: Philippe Bodart , Philippe Marechal , Eric Damme
- 申请人地址: BE Feluy
- 专利权人: Total Petrochemicals Research Feluy
- 当前专利权人: Total Petrochemicals Research Feluy
- 当前专利权人地址: BE Feluy
- 代理商 Tenley R. Krueger
- 优先权: EP04100587 20040213
- 国际申请: PCT/EP2005/050523 WO 20050208
- 国际公布: WO2005/082944 WO 20050909
- 主分类号: C08F2/12
- IPC分类号: C08F2/12 ; C08F4/69 ; C08F210/14
摘要:
The present invention discloses the use of a chromium-based catalyst system in two serially connected loop reactors for copolymerising ethylene and a comonomer, at reduced productivity, the final polyethylene having a reduced amount of gel.
公开/授权文献
- US20080255323A1 Low Gel Chromium Catalysis 公开/授权日:2008-10-16