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Technological Development of Anti-fouling Paints with EPS as a Natural Biocide

Technological Development of Anti-fouling Paints with EPS as a Natural Biocide
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The exopolysaccharides (EPS) are a class of renewable natural polymers, which present anti-fouling property. Therefore, it may be used as an alternative to conventional additives currently used in anti-corrosive paints. The copper oxide is an additive commonly used due to its anticorrosive and anti-fouling properties. 

Product Number: 41214-836-SG
Author: Rodrigo de Siqueira Melo, Simone Louise D. C. Brasil, Ladimir J. de Carvalho, Aricelso M. Limaverde Filho, OdaraRamoa B. Melo
Publication Date: 2014
Industries: Coatings , Corrosion Monitoring and Control , Coatings and Linings
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The exopolysaccharides (EPS) are a class of renewable natural polymers, which present anti-fouling property. Therefore, it may be used as an alternative to conventional additives currently used in anti-corrosive paints. The copper oxide is an additive commonly used due to its anticorrosive and anti-fouling properties. However, this metal oxide presents toxicity to some marine organisms, and it can promote environmental problems. The incorporation of EPS in paints based on copper oxide can reduce its contents, since both present anti-fouling characteristics. Another possibility is to incorporate this polymer to a paint that shows anticorrosive characteristics, such as niobium oxide-based paint. This work presents the steps of obtaining the EPS, extracted from cyanobacterium Phormidium sp., and its incorporation to the composition of paints based on copper and niobium oxides. The main objective of this research is to produce alternative paints to the anticorrosive and anti-fouling coatings used nowadays.

The exopolysaccharides (EPS) are a class of renewable natural polymers, which present anti-fouling property. Therefore, it may be used as an alternative to conventional additives currently used in anti-corrosive paints. The copper oxide is an additive commonly used due to its anticorrosive and anti-fouling properties. However, this metal oxide presents toxicity to some marine organisms, and it can promote environmental problems. The incorporation of EPS in paints based on copper oxide can reduce its contents, since both present anti-fouling characteristics. Another possibility is to incorporate this polymer to a paint that shows anticorrosive characteristics, such as niobium oxide-based paint. This work presents the steps of obtaining the EPS, extracted from cyanobacterium Phormidium sp., and its incorporation to the composition of paints based on copper and niobium oxides. The main objective of this research is to produce alternative paints to the anticorrosive and anti-fouling coatings used nowadays.

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