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Home  > Raw materials & technologies  > Applications  > Protective & Marine coatings  > Can secochiliolide acid be used as a compo...

Thursday, 19 September 2019
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Raw materials & technologies, Applications, Protective & Marine coatings

Can secochiliolide acid be used as a component in antifouling paints?

Thursday, 6 February 2014

The antifouling performance of secochiliolide acid, the main component isolated from Nardophyllum bryoides ethanolic extract, was evaluated for inclusion in rosin-based coatings.

Antifouling paints prevent ships agains microfouling species

Source: Fotolia/Julien Tromeur

Antifouling paints prevent ships agains microfouling species

Source: Fotolia/Julien Tromeur

Environmental concerns about the use of toxic antifoulants have led to an increased interest in the development of new alternatives. So far, most of the antifouling natural products have been obtained from marine organisms. However, some secondary metabolites from terrestrial plants could be promising antifoulant candidates.

Terrestrial plants are a sustainable source of antifoulants

For their study, a team of Argentinian researchers from Centro de Investigación y Desarrollo en Tecnología de Pinturas (CIDEPINT) and Universidad Nacional de La Plata, Facultad de Ciencias Agrarias y Forestales conducted field testing during the summer months at Mar del Plata harbor, Argentina. The results indicated that secochiliolide acid-based paints completely inhibited the settlement of Bugula neritina colonies, Polydora sp., Hydroides elegans, Corophium sp. and solitary ascidians, and also reduced the attachment of some algae as Enteromorpha intestinalis and Ectocarpus sp. In addition, a lower density and diversity of microfouling species was registered. These results highlighted the importance of terrestrial plants as a sustainable source of potential environmentally friendly antifoulants.

The study was published in: International Biodeterioration & Biodegradation, Volume 89, April 2014, Pages 37-44.

Further relevant results for anti-fouling properties

Further developments around anti-fouling properties will be presented on the European Coatings Conference "Marine coatings” on 4/5 March in Dusseldorf, Germany.

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