| 摘要 |
PROBLEM TO BE SOLVED: To bring an effective amount of a specified pyrrole compound into contact with a fouling organic substance in a structural body under water for suppressing or controlling the adherence of the fouling organic substance to a surface under the water. SOLUTION: This method for using a pyrrole compound as an anti-fouling agent is to bring a compound of the formula [X is a halogen, CN, NO2 , etc.; Y is H, a halogen, etc.; Z is a halogen, a haloalkyl, etc.; (n) is 0-2; L is H or a halogen; M, Q are each H, a halogen, an alkyl, an alkoxy, an alkylthio, CN, NO2 , etc., and in the case of having M and Q in adjacent positions, they form each OCH2 O, OCF2 O, etc., together with a binding C] into contact with a fouling organic substance for suppressing or controlling the adherence of the fouling organic substance to a surface under water. As a 2-arylpyrrole compound used here, e.g. 4,5-dichloro-2-(α,α,α-trifluoro-p-tolyl)pyrrole-3-carbonitrile is cited. As a structural body under the water protected by this method, a fishing net, a board, a ship, a stake, a wharf, a cooling tower, a pipe line, etc., are cited.
|
