Invention Application
WO1994021693A1 PREPARATION OF ADDITION POLYMERIZATION CATALYSTS VIA LEWIS ACID MITIGATED METAL CENTER OXIDATION
审中-公开
通过LEWIS酸缓和金属中心氧化法制备添加聚合催化剂
- Patent Title: PREPARATION OF ADDITION POLYMERIZATION CATALYSTS VIA LEWIS ACID MITIGATED METAL CENTER OXIDATION
- Patent Title (中): 通过LEWIS酸缓和金属中心氧化法制备添加聚合催化剂
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Application No.: PCT/US1994001647Application Date: 1994-02-10
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Publication No.: WO1994021693A1Publication Date: 1994-09-29
- Inventor: THE DOW CHEMICAL COMPANY , NICKIAS, Peter, N. , TIMMERS, Francis, J. , DEVORE, David, D. , ROSEN, Robert, K. , MUSSELL, Robert, D.
- Applicant: THE DOW CHEMICAL COMPANY
- Assignee: THE DOW CHEMICAL COMPANY
- Current Assignee: THE DOW CHEMICAL COMPANY
- Priority: US8/034,434 19930319
- Main IPC: C08F04/74
- IPC: C08F04/74
Abstract:
Addition polymerization catalysts comprising a derivative of a titanium or zirconium in the +4 oxidation state prepared by metal center oxidation and cation complex formation of a reduced metal precursor complex via electron transfer in a single step by use of a neutral organic oxidant, optionally in the presence of a Lewis acid mitigator.
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