In a transition towards more sustainable resources, protective coatings developed from traditional fossile-based polymers are gradually replaced by bio-renewable alternatives. Either the one-by-one replacement through bio-based monomers can be achieved for certain content, or more benefit can be obtained by the implementation of novel coating concepts. The performance of UV-curable bio-based acrylate coatings for mechanical protection is illustrated by gradual replacement of either the acrylate backbone or cross-linking diluent into a bio-based counterpart. An alternative concept for corrosion protection through thermally-controlled release of vegetable oils is presented with long-lasting performance.
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