| 发明名称 |
Water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media |
| 摘要 |
The invention relates to the use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers of the general average formulawherein the variables are described herein as defoaming agents for aqueous media. This invention also provides for defoaming compositions comprising said water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers.
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| 申请公布号 |
US6525103(B2) |
申请公布日期 |
2003.02.25 |
| 申请号 |
US20020079445 |
申请日期 |
2002.02.19 |
| 申请人 |
GOLDSCHMIFT AG |
发明人 |
EBBRECHT THOMAS;JOSTEN WOLFGANG;KEUP MICHAEL;SILBER STEFAN;SUCKER ROLAND |
| 分类号 |
B01D19/04;(IPC1-7):B01D19/04;C01M139/04;C08K5/541;C09D11/00 |
主分类号 |
B01D19/04 |
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