- 专利标题: Monobidentate aminopyridine group IV transition metal olefin copolymerization catalysts with ultra-high molecular weight capability and ultra-low comonomer incorporation
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申请号: US17437275申请日: 2020-03-19
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公开(公告)号: US12104002B2公开(公告)日: 2024-10-01
- 发明人: Andrew M. Camelio , Brad C. Bailey , Tomas D. Paine , Sukrit Mukhopadhyay , Matthew D. Christianson
- 申请人: Dow Global Technologies LLC
- 申请人地址: US MI Midland
- 专利权人: Dow Global Technologies LLC
- 当前专利权人: Dow Global Technologies LLC
- 当前专利权人地址: US MI Midland
- 代理机构: Dinsmore & Shohl LLP
- 国际申请: PCT/US2020/023487 2020.03.19
- 国际公布: WO2020/197907A 2020.10.01
- 进入国家日期: 2021-09-08
- 主分类号: C08F210/02
- IPC分类号: C08F210/02 ; C08F2/04 ; C08F2/16 ; C08F4/659 ; C08F210/16
摘要:
Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)α-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I):
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