| 摘要 |
PROBLEM TO BE SOLVED: To provide a defoamer (a foaming inhibitor) in a water-soluble lubricant used for a water-soluble cutting fluid, a water-soluble grinding fluid, a water-soluble polishing fluid, a water-soluble plastic working fluid, a water-soluble cleaner and the like. SOLUTION: The defoamer comprises a specific amine compound having an equipotential point in a range of pH 8-11.5. COPYRIGHT: (C)2010,JPO&INPIT |
