Defoaming agents |
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| 申请号 | JP15297476 | 申请日 | 1976-12-21 | 公开(公告)号 | JPS5280286A | 公开(公告)日 | 1977-07-05 |
| 申请人 | Henkel & Cie Gmbh; | 发明人 | RUDEII HAIDEN; AADORUFU ASUBETSUKU; MIHIYAERU ETSUKERUTO; MANFUREETO PETSUTSUORUTO; GIYUNTERU UUPUHIYUUSU; | ||||
| 摘要 | Antifoam compositions on the basis of an alpha -hydroxyamine derivative of the formula wherein A is -NHCO- or -NHCONH-, R1 and R2 are H or alkyl having 1 to 22 carbon atoms and the sum of the carbon atoms in R1 and R2 is from 8 to 22, and R3 is alkyl having 8 to 22 carbon atoms or hydroxyalkyl having 8 to 22 carbon atoms; as well as the process of controlling foam in a foamable liquid by introducing therein an antifoam effective amount of said alpha -hydroxyamine derivative. The antifoam alpha -hydroxyamine derivatives are effective antifoam agents for most industrial purposes and are suitable for use in oil and latex paints. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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