发明名称 |
Process for preparation of syndiotactic vinylidene aromatic polymers using reduced metal cationic catalysts |
摘要 |
A process for preparing syndiotactic vinylidene aromatic polymers comprising contacting one or more vinylidene aromatic monomers with a catalyst comprising a cationic Group 4 metal complex wherein the metal is in the +3 oxidation state formed from the corresponding metal hydrocarbyloxy containing complex in the presence of a hydrocarbylation agent.
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申请公布号 |
US5453474(A) |
申请公布日期 |
1995.09.26 |
申请号 |
US19930133359 |
申请日期 |
1993.10.08 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
NEWMAN, THOMAS H.;BORODYCHUK, KAREN K. |
分类号 |
C08F4/637;C08F4/642;C08F4/6592;C08F12/00;C08F12/04;(IPC1-7):C08F4/642;C08F12/08 |
主分类号 |
C08F4/637 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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