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Sunday, 15 September 2019
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Raw materials & technologies, Applications, Protective & Marine coatings

Core/shell emulsion micro- and nanocontainers for water-based coatings

Wednesday, 24 August 2016

Gradual substitution of anticorrosive coating formulations revealing hazardous effects on the environment by eco-friendly ones is nowadays an ongoing trend in the coating industry.

Containers embedded in usual waterborne coatings improve their corrosion resistance. Source: Klaus Brüheim/pixelio.de

Containers embedded in usual waterborne coatings improve their corrosion resistance. Source: Klaus Brüheim/pixelio.de

The main pathways here are the exchange of environmentally toxic anticorrosive pigments by less toxic components and reduction of content of volatile organic compounds used as solvents and thinners by increasing usage of water-borne coating formulations. The side effect is the decrease of the total corrosion protection performance of new coatings.

Significant improvement of corrosion protection

A possible solution of this problem could be incorporation of tiny polymeric micro- and nanocontainers loaded with "green” corrosion inhibitors into protective coatings. In this work, the detailed description of container syntheses via emulsion route and their comprehensive characterisation are followed by numerous examples of containers' successful application in novel anticorrosive coatings showing the significant improvement of corrosion protection performance.

The study is published in: Surface and Coatings Technology, Volume 303, Part B, 15 October 2016, Pages 299–309

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