发明名称 |
Double metal cyanide catalysts for producing polyether polyols |
摘要 |
The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC compound; b) at least one organic complexing ligand which is not a coronand; and c) at least one coronand. The DMC catalysts of the present invention have increased activity compared to known catalysts. |
申请公布号 |
HK1083222(A1) |
申请公布日期 |
2007.07.27 |
申请号 |
HK20060103179 |
申请日期 |
2006.03.13 |
申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
WALTER SCHAEFER;JOERG HOFMANN;PIETER OOMS |
分类号 |
C08G;B01J;B01J27/26;B01J31/22;C08G65/26 |
主分类号 |
C08G |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|