Antifouling coatings

Details Antifouling coatings Antifouling coatings

C - Chemistry, Metallurgy

09

D

6/16, 117/170, 4

C09D 5/16 (2006.01) C09D 7/12 (2006.01) C09D 201/00 (2006.01)

Patent

CA 2000495

Fouling of a ship's hull is inhibited by an amine of the formula Image where R1 is a monovalent hydrocarbon group derived from a diterpene and R2 and R3 are each independently hydrogen, an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 12 carbon atoms. The amine acts as a paint binder and as a marine biocide. An antifouling coating composition may comprise a pigment with the said amine as binder. Alternatively an antifouling coating composition comprises as binder an acid-functional polymer whose acid groups are blocked by a monoamine group which forms an organic-solvent-soluble salt of the polymer.

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