发明授权
US06433028B1 Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media
失效
使用不溶于水的聚氧化烯 - 聚硅氧烷嵌段共聚物来消除含水介质
- 专利标题： Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media
- 专利标题（中）： 使用不溶于水的聚氧化烯 - 聚硅氧烷嵌段共聚物来消除含水介质
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申请号： US09569901申请日： 2000-05-11
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公开(公告)号： US06433028B1公开(公告)日： 2002-08-13
- 发明人: Thomas Ebbrecht , Wolfgang Josten , Michael Keup , Stefan Silber , Roland Sucker
- 申请人： Thomas Ebbrecht , Wolfgang Josten , Michael Keup , Stefan Silber , Roland Sucker
- 优先权： DE19922352 19990514
- 主分类号： B01D1904
- IPC分类号： B01D1904
摘要：
The invention relates to the use of water-insoluble polyoxyalkylene-polysiloxane block copolymers of the general average formula wherein the variables and indices are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble polyoxyalkylene-polysiloxane block copolymers as well as coating materials, printing inks and cooling lubricants containing the inventive defoaming compositions.
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