- 专利标题: Preparation of very low molecular weight polyethylene in a fluidized bed
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申请号: US458357申请日: 1989-12-28
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公开(公告)号: US5055534A公开(公告)日: 1991-10-08
- 发明人: Eugene H. Theobald
- 申请人: Eugene H. Theobald
- 申请人地址: CT Danbury
- 专利权人: Union Carbide Chemicals and Plastics Technology Corporation
- 当前专利权人: Union Carbide Chemicals and Plastics Technology Corporation
- 当前专利权人地址: CT Danbury
- 主分类号: C08F2/34
- IPC分类号: C08F2/34 ; C08F4/60 ; C08F4/68 ; C08F10/00 ; C08F10/02 ; C08F110/02 ; C08F210/16
摘要:
Ethylene homopolymers or copolymers having a very low molecular weight are continuously prepared in a fluidized bed in the presence of high concentrations of hydrogen, while maintaining high catalyst activity, by means of a vanadium-based catalyst.
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