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31. Jul 2020 | Coatings Technologies

Potential of a marine bacterium extract

Scientists have studied the antifouling and anticorrosion potential of Pseudoalteromonas piscicida extract.

Ocean waves.

Scientists have investigated the potential of marine bacterium Pseudoalteromonas piscicida extract. Image source: Pexels - Pixabay (symbol image).

The aim of the study was to estimate antifouling and anticorrosion potential of organic extracts from Pseudoalteromonas piscicida 2202.

Field tests of rosin-based experimental paint indicate that butanol extract of P. piscicida 2202 effectively prevents biofouling for 3 months. A protective film forms at the metal/solution interface in the presence of butanol extract, which leads to a decrease in the mild steel corrosion rate.

Improved the barrier properties

The EIS method has shown that the incorporation of butanol extract in rosin-based paints improves the barrier properties of the coating by reducing the water uptake.

The study has been published in Journal of Coatings Technology and Research volume 17 (2020).

Image source: Pixabay.

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