![]() These wood-based materials have been actively used in various processing from the beginning to pulp and paper, construction, and furniture materials in human’s common life. ![]() From the point of view of carbon-based eco-friendly alternative materials, wood-derived materials are strongly attractive because of their abundance, excellent strength, and various application possibilities ( Calvo-Flores and Dobado, 2010 Kai et al., 2016 Lee et al., 2021). The depletion of finite resources including fossil fuels and the environmental load caused by the non-degradability of plastic materials continue to threaten human life ( Ahn et al., 2021 Ghani and Lee, 2021 Hadi et al., 2022 Jang, 2022 Park et al., 2020b). Therefore, it is expected to be applicable to the coating process of wood-plastic composites and timber composites. The carnauba wax/lignin paint developed in this way is eco-friendly because all components are made of wood-based raw materials and have an excellent affinity with wood surfaces. In addition, it was confirmed that the addition of lignin increases the hydrogen-bond-based interaction with the wood of the coating, thereby providing better coating stability and increasing the durability of the coating solvent under friction. It was found that the addition of lignin could accelerate the atomization of wax particles, and that micro-roughness can be realized when applied to the actual wood surface, to ensure that the coating effect over time lasts longer. In addition, the coating performance of carnauba wax/lignin blend coatings was confirmed by measuring the contact angle change. The physicochemical properties of the carnauba wax/lignin blends according to the ratio of carnauba wax and lignin were observed by morphology and functional group change. In this study, eco-friendly hydrophobic wood coatings were prepared using carnauba wax purified from palm leaves and sprouts, and kraft lignin. Thus, the development of an eco-friendly hydrophobic coating agent is essential, and of these, woody biomass-based materials are strongly attractive as coatings. To realize the infinite possibilities of materials derived from wood, it is necessary to overcome the weak moisture stability of wood. ![]()
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