The isosorbide was functionalised in a two-step reaction to introduce epoxy groups that subsequently were activated via UV radiation to trigger cross-linking to obtain dry films. A significant increase in hardness was observed for coatings containing 30 wt% of macadamia nut shell powder (MAC). The study has been published in Progress in Organic Coatings, Volume 185, December 2023. Reading tipThe EC Tech Report Bio-based Coatings is a hand-picked compilation of all the key aspects concerning bio-based coatings, offering the latest technical developments. Exclusive market insights and data as well as an impressive package of digital bonus material round off this Tech Report.