Coating composition, primer coating, laminated antifouling coating, method for producing substrate with primer coating and method for producing substrate with laminated antifouling coating

摘要

The present invention relates to a coating composition, a primer coating, a laminated antifouling coating, a method for producing a substrate with a primer coating, and a method for producing a substrate with a laminated antifouling coating, the coating composition comprising an epoxy resin ( A), an amine-based curing agent (B), a silane coupling agent (C), water (D) and a pigment (E), and water (D) with respect to 100 parts by weight of the nonvolatile content of the coating composition. A coating composition containing 3.5 to 11 parts by weight and having a pigment volume concentration of 37 to 47%.