摘要 |
<p>AN OBJECT OF THE PRESENT INVENTION IS TO PROVIDE A COMPOSITION FOR FORMING AN ENVIRONMENT FRIENDLY ANTIFOULING COATING FILM THAT CAN EFFECTIVELY EXHIBIT AN ANTIFOULING EFFECT IN SEAWATER FOR A LONG PERIOD OF TIME AND FURTHERMORE EXHIBITS A SMALL TEMPERATURE DEPENDENCY OF THE COATING FILM DISSOLVING AMOUNT. THE PRESENT INVENTION PROVIDES AN ANTIFOULING COATING COMPOSITION COMPRISING: (A) A TRIORGANOSILYL ESTER-CONTAINING COPOLYMER OBTAINED BY A MIXTURE OF (A) A TRIORGANOSILYL METHACRYLATE MONOMER REPRESENTED BY A GENERAL FORMULA (1) IN WHICH R1, R2, AND R3 ARE EQUAL OR DIFFERENT EACH OTHER, AND EACH REPRESENT AN ALKYL GROUP HAVING 3 TO 6 CARBONS AND BRANCHED ON A-POSITION OR A PHENYL GROUP, AND (B) A METHOXYALKYL METHACRYLATE MONOMER REPRESENTED BY A GENERAL FORMULA (2) IN WHICH R4 REPRESENTS AN ALKYLENE GROUP HAVING 2 TO 4 CARBONS, WHEREIN A CONTENT RATIO OF THE MONOMER (A) IN THE MIXTURE IS 45 TO 65 WEIGHT%, AND A TOTAL CONTENT OF THE MONOMER (A) AND THE MONOMER (B) IN THE MIXTURE IS 80 WEIGHT% OR MORE, AND A COPPER SALT THAT IS AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ROSIN COPPER SALTS AND COPPER SALTS OF ROSIN DERIVATIVES.</p> |