发明授权
US08026317B2 Isotactic specific catalyst for direct production of highly isotactic poly (propylene oxide) or highly isotactic poly (butylene oxide)
有权
用于直接生产高度全同立构聚(环氧丙烷)或高度全同立构聚(环氧丁烷)的全同立构特异性催化剂)
- 专利标题: Isotactic specific catalyst for direct production of highly isotactic poly (propylene oxide) or highly isotactic poly (butylene oxide)
- 专利标题(中): 用于直接生产高度全同立构聚(环氧丙烷)或高度全同立构聚(环氧丁烷)的全同立构特异性催化剂)
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申请号: US12155962申请日: 2008-06-12
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公开(公告)号: US08026317B2公开(公告)日: 2011-09-27
- 发明人: Geoffrey W. Coates , Scott D. Allen , Claire Cohen , Kathryn Peretti , Hiroharu Ajiro
- 申请人: Geoffrey W. Coates , Scott D. Allen , Claire Cohen , Kathryn Peretti , Hiroharu Ajiro
- 申请人地址: US NY Ithaca
- 专利权人: Cornell Research Foundation, Inc.
- 当前专利权人: Cornell Research Foundation, Inc.
- 当前专利权人地址: US NY Ithaca
- 代理商 Brenda Herschbach Jarrell; Charles E. Lyon; Danielle M. Nihan
- 主分类号: C08L71/02
- IPC分类号: C08L71/02 ; C08G65/08 ; C08G65/10 ; C08G65/12
摘要:
(Salph or methoxy salph) Co (initiating ligand) catalyze homopolymerizing rac-PO to produce pure highly isotactic PPO and rac-1-butylene oxide to produce pure isotactic poly(butylene oxide). A product is unfractionated isotactic PPO of m-dyad content >81%, normally at least 99%.
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