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5. Jul 2022 | Application Areas

Optimisation of adhesion to improve steel corrosion protection

A new  study focuses on the possibility of using siloxane resins with epoxy modification to delay corrosion of metal substrates for hydraulic applications.
Close-up of a hydraulic application as a symbol image.
The protective effect was ensured not by additives but through the excellent adhesion of the coating and its endurance to scratch and wear. 
Image source: fotoblend - Pixabay (symbol image).

Formulations aimed at metal protection were designed, without including anticorrosive additives, and deposited on 11SMnPb37 steel. Thin monolayer films were obtained by dip coating in different process conditions, avoiding primers. The developed procedure was simple and able to provide solid and well-anchored coatings. They were characterised in terms of morphology, scratch and wear endurance, and resistance to a corrosive environment. The optimum formulation and deposition parameters were found.

Resistance in a saline environment

The selected coating showed remarkable adhesion to the substrate, good mechanical properties, and resistance in a saline environment, proving to be suitable as a protective barrier against corrosion. The protective effect was ensured not by additives but through the excellent adhesion of the coating and its endurance to scratch and wear.

The study has been published in Journal of Coatings Technology and Research, Volume 19, May 2022.

European Coatings Journal

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