发明名称 |
USE OF ALKOXYLATION PRODUCTS OF EPOXIDIZED FATS AS ANTIFOAMING AGENTS |
摘要 |
<p>PCT No. PCT/EP96/00257 Sec. 371 Date Sep. 2, 1997 Sec. 102(e) Date Sep. 2, 1997 PCT Filed Jan. 23, 1997 PCT Pub. No. WO96/23568 PCT Pub. Date Aug. 8, 1996A method of controlling or preventing foam in an aqueous system is provided, wherein an effective amount of an alkoxylated, epoxidized fatty compound that has been ring-opened with a nucleophile is determined and added to the system. After ring opening with the nucleophile, the epoxidized fatty compound is alkoxylated with an alkylene oxide selected from the group consisting of ethylene oxide, propylene oxide, and butylene oxide.</p> |
申请公布号 |
EP0806978(B1) |
申请公布日期 |
2000.03.15 |
申请号 |
EP19960901754 |
申请日期 |
1996.01.23 |
申请人 |
COGNIS DEUTSCHLAND GMBH |
发明人 |
WOLLENWEBER, HORST-WERNER;HORNFECK, KLAUS;KAPS, DIETER;NELLESSEN, BERNHARD;KOESTER, RITA;DREES, WOLFGANG;DAUTE, PETER |
分类号 |
B01D19/04;C08G65/26;C09D7/12;C13B10/00;D21C3/28;D21C5/02;(IPC1-7):B01D19/04;C07C59/125 |
主分类号 |
B01D19/04 |
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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