| 摘要 |
PURPOSE:To provide an industrial mildew-proofing agent having extremely low toxicity and exhibiting extremely excellent mildew-proofing effect against a wide variety of molds. CONSTITUTION:The objective agent contains (A) a quaternary ammonium salt of formula (R1 to R4 are chain hydrocarbon groups; one or two of the groups are >=8C chain hydrocarbon groups; X is halogen), preferably dioctyl dimethyl ammonium chloride, didecyl dimethyl ammonium chloride, dodecyl dimethyl benzyl ammonium chloride or hexadecyl dimethyl benzyl ammonium chloride and (B) 2,3,5,6-tetrachloro-4-(methylsulfonyl)pyridine at a weight ratio (A:B) of 5:1 to 1:5. Excellent effect can be attained by adding the mildew-proofing agent in an amount of about 1-1,000ppm in general. |
