The production of carbon-based building blocks from biomass resources is the most promising alternative to reduce and eventually replace petroleum-based chemicals. Carbohydrates are the most abundant natural carbon source, and thus a good option for biomass feedstock development. The high functionality of chemicals derived from biomass often leads to the formation of various side products. Among these, the formation of a black and viscous co-product so-called humins is observed due to acidic treatment of polysaccharides. To improve the efficiency of biomass conversion from an economical and environmental prospective, new solutions for humins valorization are urgently needed. This work focuses on study of the properties of humins and their ability to crosslinking. Humins are shown to be a highly potential biobased thermoset polymer to be employed in composites applications.
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