Cupric tannate: A low copper content antifouling pigment
- Perez, Miriam Cristina
- Blustein, Guillermo
- Garcia, Monica Teresita
- del Amo, Delia Beatriz
- Stupak, Mirta Elena
DOIAbstract
Fouling organisms attached to man-made surfaces submerged in seawater constitute a major worldwide technical and economical problem. Protection against biofouling is essential for efficient service of boats and ships. Due to recent and imminent restrictions of the use of traditional toxic antifouling paints, there is a growing need for new alternative compounds that ensure a good performance without polluting the marine ecosystem. The aim of this work is to develop a new antifouling formulation using compounds of natural origin, i.e. tannates, in combination with a minimum concentration of a known bioactive pigment, i.e. copper. Laboratory assays have shown that cupric tannate has a narcotic effect on biofouling larvae. In the field, after ...
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