| 发明名称 |
PROCESS FOR THE PREPARATION OF POLYETHER POLYOLS |
| 摘要 |
<p>Process for the preparation of polyether polyols, which process comprises: (b) contacting a phosphorus containing compound having at least one hydroxyl group with alkylene oxide to obtain alkoxylated initiator, (b) contacting the alkoxylated initiator with further alkylene oxide in the presence of a double metal cyanide complex catalyst.</p> |
| 申请公布号 |
WO2005118678(A1) |
申请公布日期 |
2005.12.15 |
| 申请号 |
WO2005EP52539 |
申请日期 |
2005.06.02 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;ELEVELD, MICHIEL BAREND;MEURS, JAN HERMEN HENDRIK;SCHUT, PETER ALEXANDER |
发明人 |
ELEVELD, MICHIEL BAREND;MEURS, JAN HERMEN HENDRIK;SCHUT, PETER ALEXANDER |
| 分类号 |
C08G18/48;C08G18/50;C08G65/26;(IPC1-7):C08G65/26 |
主分类号 |
C08G18/48 |
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