| 发明名称 |
Purification of polyols prepared using double metal cyanide complex catalysts |
| 摘要 |
A method for removing double metal cyanide complex catalyst residue from polyols using alkali metal hydrides is disclosed. In one embodiment, the catalyst residue is converted into an insoluble ionic metal species and separated by filtration using magnesium or aluminum silicate to facilitate separation. |
| 申请公布号 |
US4721818(A) |
申请公布日期 |
1988.01.26 |
| 申请号 |
US19870028530 |
申请日期 |
1987.03.20 |
| 申请人 |
ATLANTIC RICHFIELD COMPANY |
发明人 |
HARPER, STEPHEN D.;HARRIS, STEPHEN H. |
| 分类号 |
C07C41/44;C08G18/48;C08G65/02;C08G65/26;C08G65/30;(IPC1-7):C07C41/34 |
主分类号 |
C07C41/44 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
