发明授权
- 专利标题: Catalyst for regulating the molecular weight distribution of ethylene polymers
- 专利标题(中): 用于调节乙烯聚合物分子量分布的催化剂
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申请号: US214581申请日: 1988-07-01
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公开(公告)号: US4886771A公开(公告)日: 1989-12-12
- 发明人: Sun-Chueh Kao , Frederick J. Karol
- 申请人: Sun-Chueh Kao , Frederick J. Karol
- 申请人地址: CT Danbury
- 专利权人: Union Carbide Chemicals and Plastics Company Inc.
- 当前专利权人: Union Carbide Chemicals and Plastics Company Inc.
- 当前专利权人地址: CT Danbury
- 主分类号: C08F4/60
- IPC分类号: C08F4/60 ; C08F4/68 ; C08F10/00 ; C08F110/02
摘要:
A vanadium-based catalyst is treated with certain phosphorus-containing compounds as a means of narrowing and effectively regulating the molecular weight distribution of the polymers produced with the catalyst.