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
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