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    • 3. 发明申请
    • UNDERSEA ANTIFOULING AGENT
    • 地下防盗代理
    • WO1990014011A1
    • 1990-11-29
    • PCT/JP1990000641
    • 1990-05-19
    • NIPPON OIL AND FATS COMPANY, LIMITEDKADOTA, OsamuTSURUMI, KouichirohISHIMOTO, MakotoHONDA, Yoshihiro
    • NIPPON OIL AND FATS COMPANY, LIMITED
    • A01N47/14
    • C09D5/1625C09D5/1687
    • An undersea antifouling agent applied by impregnation for the purpose of preventing aquatic organisms for a long period of time from depositing on, for example, nets for culturing, stationary net fishing, etc., and materials for supporting the net, such as ropes; a net for preventing medusas from invading an intake of sea water for cooling; and materials for shore protection. The first invention relates to an undersea antifouling agent comprising: (A) at least one member selected from among (A1) 2-(thiocyanomethylthis)benzothiazole, (A2) tetraethylthiuram disulfide, (A3) 2,4,5,6-tetrachloro-1,3-dicyanobenzene, (A4) N-(ethylmethylphenyl)dichloromaleimide, and (A5) N-(diethylphenyl)dichloromaleimide; (B) a film-forming material; and (C) at least one compound selected from among dialkyl polysulfides represented by the general formula R1-(S)n-R2. The second invention relates to another undersea antifouling agent further comprising the following component (D) polybutene with a degree of polymerization of 2 to 100, in addition to the aforementioned components (A) to (C). The effect of incorporating component (C) and, in addition, component (D) in the antifouling agent resides in that the velocity of releasing component (A) as the active ingredient of the antifouling agent can appropriately be controlled thereby, so that the antifouling effect can be retained for a long period of time.