| 摘要 |
An aquatic antifouling composition comprising (A) at least one 4-isothiazolin-3-one compound represented by the general formula: <IMAGE> where X1 and X2 respectively represent a hydrogen atom or a halogen atom, and (B) at least one insoluble dithiocarbamic acid derivatives possessing a dithiocarbamyl group <IMAGE> selected from the group consisting of divalent and higher heavy metal (zinc, manganese, copper, iron, and nickel) salts of ethylenebisdithiocarbamic acid, linear or branched propylenebisdithiocarbamic acid, linear or branched butylenebisdithiocarbamic acid, N-substituted ethylenebisdithiocarbamic acid, N,N'-substituted ethylenebisdithiocarbamic acid, N-substituted propylenebisdithiocarbamic acid, N,N'-substituted propylene-bisdithiocarbamic acid, N-substituted butylenebisdithiocarbamic acid, and N,N'-substituted butylenebisdithiocarbamic acid.
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