| 发明名称 |
IMPROVED POLYBUTENE-BASED FOAM CONTROL COMPOSITION FOR AQUEOUS SYSTEMS |
| 摘要 |
A stable defoamer composition and method of defoaming an aqueous system is disclosed. The composition comprises an alcohol alkoxylate, at least one surfactant having a melting point less than 20.degree.C, and a low HLB, ethylene oxide/propylene oxide block copolymer, said block copolymer carried in a mixture comprising polybutene.
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| 申请公布号 |
CA2130888(A1) |
申请公布日期 |
1995.10.07 |
| 申请号 |
CA19942130888 |
申请日期 |
1994.08.25 |
| 申请人 |
BETZ LABORATORIES, INC. |
发明人 |
BERZANSKY, CHARLES J., JR.;NGUYEN, DUY T. |
| 分类号 |
B01D19/04;D21H21/12;(IPC1-7):B01D19/04 |
主分类号 |
B01D19/04 |
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