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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Oil resistance of SMI/SfO-PUS and SMI/SfO-MUS coatings on paper substrates as represented by the KIT values (bars) and contact angles for castor oil (dots).