antifouling composition

Abstract

An antifouling coating composition comprising (i) a silyl ester copolymer comprising as a comonomer: (a) triisopropylsilyl methacrylate; ( b) compounds of formula (I), wherein, R 1 is hydrogen or methyl, R 2 is a cyclic ether (such as oxolane, oxane, dioxolane, dioxane optionally substituted by alkyl), and X is C1-C4 alkylene, and / or a compound of formula (II) , where R 3 is hydrogen or methyl, and R 4 is a C3-C18 substituent having at least one oxygen or nitrogen atom, preferably at least one oxygen atom; and optionally (c) one or more comonomers of formula (III), wherein R 5 is hydrogen or methyl, and R 6 is C1‑C8 hydrocarbyl; and (ii) medetomidine.

Description

technical field [0001] The present invention relates to marine antifouling coating compositions, more particularly to marine antifouling coating compositions comprising silyl ester copolymers comprising methyl Triisopropylsilylmethacrylate and at least one hydrophilic (meth)acrylate are used as comonomers. The composition additionally contains medetomidine (medetomidine, medetomidine) as a fungicide. The invention also relates to methods of protecting objects from soiling, and objects coated with the antifouling composition of the invention. Background technique [0002] Surfaces submerged in marine environments can attach fouling organisms such as bacteria, diatoms, algae, tube worms, barnacles, and mussels. Of all the marine life that grows on surfaces, barnacles are the toughest. Under the right conditions, barnacles can grow very quickly. Barnacles are distributed throughout the world and are the most commonly encountered fouling organisms in coastal waters. [0003...

AI Technical Summary

Problems solved by technology

The coating composition did not perform well in preventing barnacle fouling

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