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22. Mar 2022 | Application Areas

Hydrogen peroxide formation via solar light: Novel antifouling coating

A new paper reports strong adhesion and lack of ecotoxicity of a solar-driven antifouling sol-gel coating. Test results open the route to the practical utilisation of these novel marine coatings.
Newly developed AquaSun coatings share hydrophobicity and exceptionally high scratch resistance.
Image source: jessmay - Pixabay (symbol image).

The outcomes of adhesion and ecotoxicity tests carried out on metal specimens faithfully representing the surface of real ships, including the primer and tie coat layers typically applied on ship hull prior to deposition of the antifouling paint, show the practical applicability of "AquaSun" antifouling sol-gel coatings.

Ecofriendly antifouling mechanism

Newly developed AquaSun coatings share hydrophobicity (contact angle >115°) and exceptionally high scratch resistance (ASTM 5B). Coupled to the ecofriendly antifouling mechanism based on continuous H2O2 formation upon exposure to solar light and foul release due to low surface energy, these results open the route to the practical utilisation of these novel marine coatings.

The study has been published in Progress in Organic Coatings, Volume 165, April 2022.

Coatings Formulation


Coatings Formulation

Coatings formulation explained step by step: already in its 4th edition, this textbook describes the formulation of the most important types of coatings in unmatched detail. Starting by examining the chemical composition and in particular the binders of the coatings presented, the authors then dive into formulation advice and an analysis of existing recipes. On top, you will acquire a sound knowledge of raw materials and their interactions. “Coatings Formulation” is your must-read if you are familiar with the basics of chemistry and wish to fully dive into the field of paints and coatings formulation!

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