发明名称 |
ISOTACTIC SPECIFIC CATALYST FOR DIRECT PRODUCTION OF HIGHLY ISOTACTIC POLY (PROPYLENE OXIDE) OR HIGHLY ISOTACTIC POLY (BUTYLENE OXIDE) |
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%. |
申请公布号 |
US2011313128(A1) |
申请公布日期 |
2011.12.22 |
申请号 |
US201113221631 |
申请日期 |
2011.08.30 |
申请人 |
COATES GEOFFREY W.;ALLEN SCOTT D.;COHEN CLAIRE;PERETTI KATHRYN;AJIRO HIROHARU |
发明人 |
COATES GEOFFREY W.;ALLEN SCOTT D.;COHEN CLAIRE;PERETTI KATHRYN;AJIRO HIROHARU |
分类号 |
C08G65/20;C08G65/12 |
主分类号 |
C08G65/20 |
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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