2.6 Thioacidolysis-based pulping method for white lignin production
In nature, lignin is a light-colored compound with many fascinating properties, such as the absorption of ultraviolet (UV) light, which can be utilized in various applications, including cosmetics, composites, and coatings. Although the UV-absorbing properties of lignin are usually preserved when it is isolated from its natural source, its light color is generally lost due […]
2.2 Towards recyclable lignin-based materials: recent progress in the development of lignin-based vitrimers
Thanks to their high functionality in aliphatic and phenolic OH groups, lignins have long been studied as precursors for crosslinked polymer materials, i.e. thermosets. A major drawback of this material family is its limited circularity. Indeed, crosslinked polymers cannot melt, precluding mechanical recycling.An attractive strategy to overcome this limitation while maintaining high mechanical performance is […]
2.12 Advancing Sustainable Metal Protection: Bio-Based Coatings from Fractionated Kraft Lignin
The degradation of metal surfaces due to corrosion and fouling presents significant challenges in industrial and marine environments, leading to increased maintenance costs and material failures. Traditional protective coatings often rely on synthetic polymers and toxic additives, raising environmental concerns and facing increasing regulatory constraints. In this study, kraft lignin—an abundant byproduct of the pulp […]