FIELD: antifouling coatings. SUBSTANCE: composition, containing (i) polymer binder obtained by copolymerization of at least one comonomer selected from vinylpyrrolidone, vinylpyperidone, and vinylcaprolactam (A) with C1-C4-alkyl methacrylate and/or styrene, (ii) at least one metal salt gradually dissolving in sea water, and further (iii) pigment, solvent, filler, and biocyde-containing additive, is distinguished by having, as binder, copolymer containing 5-40% of at least one comonomer selected from vinylpyrrolidone, vinylpyperidone, and vinylcaprolactam (A), 5-45% of at least one caryl comonomer (B), summary content of the two groups (A+B) being 15-75%, and 25-85% of comonomer C selected from methacrylate and styrene; as biocyde-containing additive, additive selected from group including mixture of up to 2.33 wt parts of colophony derivative with up to 1.2 wt parts of sea biocyde per 1 wt part of binder; and up to 1.1 wt parts of gradually dissolving in sea water metal salt per 1 wt part of binder. In sum, composition contains, wt parts: binder 1, biocyde additive 1.1-4.63, pigment 5.2-24.35, solvent 3.73- 12.73, and filler 0.14-2.345. EFFECT: new antifouling sea paint prepared without organotin compounds, which gives self-polymerizing coating. 22 cl, 1 tbl, 5 ex
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Authors
Dates
2000-02-20—Published
1988-10-26—Filed