DESCRIZIONE
The invention provides an antifouling coating composition comprising: (A) a binder comprising: (i) 30 to 80 wt% of a silyl ester copolymer comprising triisopropylsilyl methacrylate monomers; (ii) 20 to 55 wt% of a monocarboxylic acid or derivative thereof; and (iii) 5 to 20 wt% of an acrylic copolymer having a glass transition temperature (Tg) of less than 25 °C; wherein components (i) and (iii) are different; and (B) tralopyril.