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AssigneeEvonik Degussa GmbH
InventorsKatharina Schulz, Rüdiger Mertsch, Jürgen Meyer, Günther Michael, Matthias Rochnia, Thorsten Schultz, Juri Tschernjaew
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The present invention relates to innovative antifouling additives, to a process for producing them, to coating systems comprising the antifouling systems of the invention, to a process for producing the coating systems, and to the use of the antifouling additives and coating systems of the invention for preventing the underwater fouling of surfaces of objects which are in contact or come into contact with water.
Antifouling additive comprising
Antifouling additive according to any of the preceding claims, characterized in that the active ingredient charge of the porous carrier is at least 10% by weight, based on the DBP absorption of the porous carrier.
Antifouling additive according to any of the preceding claims, characterized in that the active ingredient is a biodegradable active ingredient preferably selected from the group of secondary active plant ingredients or from the group consisting of natural oils, vitamins, algal extracts, plant extracts, metal salts, terpenes, gramins, pyrroles, pyrazoles, phenols and steroids.
Antifouling additive according to any of the preceding claims, characterized in that it has a free-flowability as measured using the flow funnels of DIN 53492 in the range from 1 to 4, preferably 1 to 3, more preferably 1 to 2 and very preferably 1.
Dependencies are inferred from the claim text.