发明名称 |
A PROCESS FOR THE REMOVAL OF ETHYLENE OXIDE AND/OR PROPYLENE OXIDE FROM SURFACE-ACTIVE DERIVATIVES |
摘要 |
1. A process for the removal of ethylene oxide and/or propylene oxide and, optionally, dioxane from surface-active derivatives - prepared by ethoxylation and/or propoxylation - of organic compounds containing at least one active hydrogen atom, characterized in that the surface-active derivatives are treated with steam, optionally in vacuo, at temperatures of 70 to 130 degrees C and the steam treated product is optionally dried. |
申请公布号 |
ZA8801910(B) |
申请公布日期 |
1989.08.30 |
申请号 |
ZA19880001910 |
申请日期 |
1988.03.17 |
申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
KLAUS FRIEDRICH;FRANZ BUETTGEN;KLAUS HERRMANN |
分类号 |
B01F17/42;C07B63/00;C07C41/00;C07C41/34;C07C41/42;C07C43/11;C07C67/00;C08G65/30 |
主分类号 |
B01F17/42 |
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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