Antifouling agent for water-soluble metal working oil, water-soluble metal processing oil composition containing the same, and coolant

摘要

Problem to be solved: to provide an antimold agent for water-soluble metal processing oil which can suppress mold growth in a coolant, and a water-soluble metal processing oil composition containing the mold.Solution: (a) n-butyl-1,2-benzoisothiazoline-3-one and (b) n-benzylethanolamine, n-ethylenediamine, N, n-dimethylethanoolamine, 2 - (1-methylpropyl) amino) ethanol, n-methylhexylamine, dibutyl Aminopropylamine, 3,3-iminobis (propylamine), bis (2 (dimethylamino) ethyl) ether, N,A group consisting of n-di-tert-butylethylenediamine, 2-amino-2-methyl-1,3-propanediol, cyclohexylamine ethylene oxide adduct, a methoxylenediamine ethylene oxide adduct, and a methoxydidiamine propylene oxide adduct A water repellent agent for water-soluble metal processing oil containing at least one selected, and a water-soluble metal processing oil composition containing the mold.No selection