发明名称 |
METHODS OF MANUFACTURE OF ETHYLENE OXIDE CYCLIZED POLYOLES |
摘要 |
An ethylene oxide-capped polyol is prepared by providing a polyol, which is produced in the presence of a double metal cyanide (DMC) catalyst; adding a basic catalyst to the DMC-catalyzed polyol to produce a mixture comprising less than 0.05 wt.%, based on the total weight of the mixture, of the basic catalyst; and ethoxylating the mixture at 130-220[deg]C to produce an ethylene oxide-capped polyol. |
申请公布号 |
PL362497(A1) |
申请公布日期 |
2004.04.05 |
申请号 |
PL20030362497 |
申请日期 |
2003.09.29 |
申请人 |
BAYER AG;BAYER POLYMERS LLC |
发明人 |
EHLERS STEPHAN;PAZOS JOSE F.;STEINLEIN CHRISTIAN;SCHNEIDER MICHAEL;HOFMANN JORG;KEYVANI MAJID;HAYES JOHN E. |
分类号 |
C08G65/28;C08G18/48;C08G65/26;C08G65/30;C08G65/48 |
主分类号 |
C08G65/28 |
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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