| 摘要 |
PURPOSE:An antimicrobial agent useful for cooling water systems, etc., compris ing a halocyanoacetamide compound and an isothiazolone compound, having extremely improved antimicrobial power by their synergistic effects, capable of keeping its antimicrobial effect for a long time. CONSTITUTION:An antimicrobial agent obtained by blending a halo cyanoacetamide compound [preferably compound shown by the formula I(X is halaogen; Y is halogen, or H; R is H, or lower alkyl), especially monobromocyanoacetamide, etc.] with an isothiazolone compound[preferably compound shown by the formula II or formula III (X' is H, or halogen; R' is 1-5C alkyl, or H), especially 5-chloro-2-methyl-4-isothiazolin-3-one, etc.] in a weight ratio of preferably 70:3-1:10, especially 15:1-1:1. EFFECT:Showing continuous effect on prevention of obstacles caused by slime in cooling water systems of cacilities of various plants, water systems such as paper pulp makaing systems, etc. |
