| abstract |
A hydrolyzable anti-fouling coating composition comprises a metallic soap resin having a general formula <IMAGE> wherein R1 is an unsaturated aliphatic hydrocarbon, M is a metal having a valency of at least 2, A1 and A2 are independently a functional group of a carboxylic acid, a sulphuric acid or a phosphoric acid, R2 is an unsaturated or saturated residue of an aliphatic, aromatic, or alicyclic monovalent organic acid or alcohol or an acrylic oligomer, said metallic soap resin being prepared by reacting a metal compound containing a metal having a valency of at least 2 with a reaction composition comprising an unsaturated organic acid. |